其他未完成

.gitignore

@@ -93,4 +93,566 @@ dkms.conf
 *.o
 *.swp
 .vscode
-*/test
+*/test
+
+# ---> Qt
+# C++ objects and libs
+*.slo
+*.lo
+*.o
+*.a
+*.la
+*.lai
+*.so
+*.so.*
+*.dll
+*.dylib
+
+# Qt-es
+object_script.*.Release
+object_script.*.Debug
+*_plugin_import.cpp
+/.qmake.cache
+.qmake.cache
+/.qmake.stash
+.qmake.stash
+*.pro.user
+*.pro.user.*
+*.qbs.user
+*.qbs.user.*
+*.moc
+moc_*.cpp
+moc_*.h
+qrc_*.cpp
+ui_*.h
+*.qmlc
+*.jsc
+#Makefile*
+*build-*
+*.qm
+*.prl
+
+# Qt unit tests
+target_wrapper.*
+
+# QtCreator
+*.autosave
+
+# QtCreator Qml
+*.qmlproject.user
+*.qmlproject.user.*
+
+# QtCreator CMake
+CMakeLists.txt.user*
+
+# QtCreator 4.8< compilation database
+compile_commands.json
+
+# QtCreator local machine specific files for imported projects
+*creator.user*
+
+*_qmlcache.qrc
+
+# ---> VisualStudio
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.tlog
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio 6 auto-generated project file (contains which files were open etc.)
+*.vbp
+
+# Visual Studio 6 workspace and project file (working project files containing files to include in project)
+*.dsw
+*.dsp
+
+# Visual Studio 6 technical files
+*.ncb
+*.aps
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# Visual Studio History (VSHistory) files
+.vshistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+# VS Code files for those working on multiple tools
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+# Windows Installer files from build outputs
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# JetBrains Rider
+*.sln.iml
+
+# ---> VisualStudioCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+
+# Local History for Visual Studio Code
+.history/
+
+# Built Visual Studio Code Extensions
+*.vsix
+
+# ---> C
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
+
+# ---> C++
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+.vscode

day10/qtdemo0/main.cpp

@@ -0,0 +1,17 @@
+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    // 1. Qt 应用程序
+    QApplication a(argc, argv);
+
+    // 2. 应用程序中显示的主窗口
+    Widget w;
+    w.show();
+
+    // 3. 启动 Qt 程序, 监听窗口的相关事件
+    // 直到窗口关闭事件发生才退出
+    return a.exec(); // a.exec 的目的是保持程序活着
+}

day10/qtdemo0/qtdemo0.pro

@@ -0,0 +1,28 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

day10/qtdemo0/widget.cpp

@@ -0,0 +1,41 @@
+#include "widget.h"
+#include <QApplication>
+#include <QPushButton>
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+{
+    this->setWindowTitle("我是第一个小窗口");
+
+    //    this -> resize(200,300);
+
+    this->setFixedSize(QSize(480, 320));
+
+    // 创建一个按钮
+    // c++中创建类对象的两种方式:
+    // 1) 类名 对象 (构造函数的)
+    QPushButton *btn = new QPushButton("退出");
+    btn->resize(100, 50); // 设置控件的大小
+    btn->setParent(this); // 设置控件在哪一个窗口显示
+
+    btn->move(190, 135);
+
+    // connect(btn,&QPushButton::clicked,this,&QApplication::quit);
+    connect(btn, &QPushButton::clicked, this, &QWidget::close);
+
+    QPushButton *btn2 = new QPushButton("2");
+    btn2->resize(100, 50); // 设置控件的大小
+    btn2->setParent(this); // 设置控件在哪一个窗口显示
+
+    btn2->move(190 + 100, 135);
+
+    QPushButton *btn3 = new QPushButton("3");
+    btn3->resize(100, 50); // 设置控件的大小
+    btn3->setParent(this); // 设置控件在哪一个窗口显示
+
+    btn3->move(190 + 200, 135);
+}
+
+Widget::~Widget()
+{
+}

day10/qtdemo0/widget.h

@@ -0,0 +1,14 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+};
+#endif // WIDGET_H

day10/sumWidget/main.cpp

@@ -0,0 +1,11 @@
+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Widget w;
+    w.show();
+    return a.exec();
+}

day10/sumWidget/sumWidget.pro

@@ -0,0 +1,28 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

day10/sumWidget/widget.cpp

@@ -0,0 +1,56 @@
+#include "widget.h"
+#include <QDebug>
+
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+{
+    setWindowTitle("加法计数器");
+
+    setFixedSize(500,100);
+
+    QPushButton *sumBtn=new QPushButton("计算",this);
+    sumBtn->setFixedSize(100,50);
+    sumBtn->move(300,25);
+
+    le1 = new QLineEdit(this);
+    le2 = new QLineEdit(this);
+    le1->setFixedSize(100,50);
+    le2->setFixedSize(100,50);
+    le1->move(0,25);
+    le2->move(200,25);
+
+    lable1 = new QLabel(this);
+    lable1->setText("+");
+    lable1->setFixedSize(10,50);
+    lable1->move(145,25);
+
+    lable2 = new QLabel(this);
+    lable2->setText("计算结果");
+    lable2->setFixedSize(100,50);
+    lable2->move(400,25);
+
+    connect(sumBtn,&QPushButton::clicked,this,&Widget::sum);
+
+
+//    connect(sumBtn,&QPushButton::clicked,this,lable2->setText(QString::number(c)));
+
+}
+
+void Widget::sum(){
+    lable2->setText("点击");
+    QString n1 = le1->text();
+    QString n2 = le2->text();
+    qDebug() << n1 << " " << n2;
+
+    // 将文本转化为数值
+    int ret = n1.toInt()+n2.toInt();
+    QString str = QString::number(ret);
+    qDebug() << str;
+    lable2->setText(str);
+}
+
+Widget::~Widget()
+{
+}
+

day10/sumWidget/widget.h

@@ -0,0 +1,27 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+#include <iostream>
+#include <QPushButton> // 按钮
+#include <QLineEdit> // 文本输入框
+#include <QLabel> // 文本标签
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+
+public slots:
+    // 自定义槽函数, 需要在源文件中去实现函数功能
+    void sum();
+
+private:
+    QLineEdit *le1,*le2;
+    QLabel *lable1,*lable2;
+
+};
+#endif // WIDGET_H

day11/qtdemo1/main.cpp

@@ -0,0 +1,11 @@
+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Widget w;
+    w.show();
+    return a.exec();
+}

day11/qtdemo1/qtdemo1.pro

@@ -0,0 +1,33 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    student.cpp \
+    teacher.cpp \
+    widget.cpp
+
+HEADERS += \
+    student.h \
+    teacher.h \
+    widget.h
+
+TARGET = moneyorno
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

day11/qtdemo1/student.cpp

@@ -0,0 +1,11 @@
+#include "student.h"
+
+Student::Student(QWidget *parent) : QWidget(parent)
+{
+
+}
+
+void Student::drink()
+{
+    qDebug() << "请老师吃冷饮" << endl;
+}

day11/qtdemo1/student.h

@@ -0,0 +1,20 @@
+#ifndef STUDENT_H
+#define STUDENT_H
+
+#include <QWidget>
+#include <QDebug>
+
+class Student : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit Student(QWidget *parent = nullptr);
+
+public slots:
+    void drink();
+
+signals:
+
+};
+
+#endif // STUDENT_H

day11/qtdemo1/teacher.cpp

@@ -0,0 +1,6 @@
+#include "teacher.h"
+
+Teacher::Teacher(QWidget *parent) : QWidget(parent)
+{
+
+}

day11/qtdemo1/teacher.h

@@ -0,0 +1,17 @@
+#ifndef TEACHER_H
+#define TEACHER_H
+
+#include <QWidget>
+
+class Teacher : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit Teacher(QWidget *parent = nullptr);
+
+signals:
+    void hot();
+
+};
+
+#endif // TEACHER_H

day11/qtdemo1/widget.cpp

@@ -0,0 +1,69 @@
+#include "widget.h"
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+{
+    resize(500,300);
+    setWindowTitle("热了与冷饮");
+    n=0;
+
+    btn = new QPushButton("热了",this);
+    btn->setFixedSize(100,50);
+    btn->move(100,100);
+
+    btn2 = new QPushButton("没钱了",this);
+    btn2->setFixedSize(100,50);
+    btn2->move(100,200);
+
+    lable1 = new QLabel("显示",this);
+    lable1->setFixedSize(200,50);
+    lable1->move(250,100);
+
+    lable2 = new QLabel("请客次数: ",this);
+    lable2->setFixedSize(200,50);
+    lable2->move(250,200);
+
+
+
+
+    t1 = new Teacher();
+    s1 = new Student();
+
+    connect(t1,&Teacher::hot,s1,&Student::drink);
+    connect(btn,&QPushButton::clicked,this,&Widget::handleHot);
+    connect(btn2,&QPushButton::clicked,this,&Widget::noMoney);
+
+
+    emit t1->hot();
+}
+
+void Widget::handleHot()
+{
+    emit t1->hot();
+    Widget::print();
+}
+
+void Widget::print()
+{
+
+    n++;
+    if(n>0){
+        if(n%2==0)
+            lable1->setText("请老师吃巧乐兹");
+        else
+            lable1->setText("请老师吃老冰棍");
+        lable2->setText("请客次数: "+QString::number(n));
+    }
+}
+
+void Widget::noMoney()
+{
+    n=0;
+    lable1->setText("请老师喝西北风");
+    lable2->setText("请客次数: "+QString::number(n));
+}
+
+Widget::~Widget()
+{
+}
+

day11/qtdemo1/widget.h

@@ -0,0 +1,32 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QLabel>
+#include "teacher.h"
+#include "student.h"
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+private:
+    Teacher *t1;
+    Student *s1;
+    int n;
+
+private:
+    QPushButton *btn,*btn2;
+    QLabel *lable1,*lable2;
+
+public slots:
+    void handleHot();
+    void print();
+    void noMoney();
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+};
+#endif // WIDGET_H

day11/qtdemo2/custom.cpp

@@ -0,0 +1,46 @@
+#include "custom.h"
+
+Custom::Custom(QWidget *parent)
+    : QWidget(parent)
+{
+    // 初始化窗口的控件
+    nameEdit = new QLineEdit(this);
+    nameEdit->resize(200,40);
+    nameEdit->move(10,10);
+
+    nEdit = new QLineEdit(this);
+    nEdit->resize(100,40);
+    nEdit->move(10,60);
+
+    toOrderBtn = new QPushButton("下单",this);
+    toOrderBtn->resize(80,40);
+    toOrderBtn->move(10,110);
+
+    eatStateLable = new QLabel("未开吃",this);
+    eatStateLable->resize(100,40);
+    eatStateLable->move(10,160);
+
+    // 设置按钮的点击事件的处理函数
+    connect(toOrderBtn,&QPushButton::clicked,this,&Custom::toOrderHandle);
+}
+
+void Custom::toOrderHandle()
+{
+    eatStateLable->setText("等待上菜……");
+    // 下单按钮被点击了
+    qDebug() << "准备下单了";
+    qDebug() << "你的菜品: "<< nameEdit->text() << ", 数量:" << nEdit->text();
+
+    // 向店家发送信号，信号中包含菜品名和数量
+    emit toOrderSignal(nameEdit->text(), nEdit->text().toInt());
+}
+
+void Custom::okOrderHandle()
+{
+    eatStateLable->setText(nameEdit->text()+"开吃……");
+}
+
+Custom::~Custom()
+{
+}
+

day11/qtdemo2/custom.h

@@ -0,0 +1,32 @@
+#ifndef CUSTOM_H
+#define CUSTOM_H
+
+#include <QWidget>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QLabel>
+#include <QDebug>
+
+class Custom : public QWidget
+{
+    Q_OBJECT
+
+private:
+    QLineEdit *nameEdit; // 菜品
+    QLineEdit *nEdit; // 数量
+    QPushButton *toOrderBtn; // 下单
+    QLabel *eatStateLable; // 开吃状态
+
+public slots:
+    void toOrderHandle(); // 处理按钮的点击事件
+    void okOrderHandle(); // 店家上菜信号的处理函数
+
+
+signals:
+    void toOrderSignal(QString name,int n);
+
+public:
+    Custom(QWidget *parent = nullptr);
+    ~Custom();
+};
+#endif // CUSTOM_H

day11/qtdemo2/main.cpp

@@ -0,0 +1,26 @@
+#include "custom.h"
+#include "restaurant.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Custom c;
+    c.setWindowTitle("点餐系统");
+    c.resize(800,600);
+
+    // 创建店类的对象
+    Restaurant r;
+
+    // 绑定客户下单信号处理函数
+    void (Custom:: *toOrder)(QString, int) = &Custom::toOrderSignal;
+    void (Restaurant:: *receiveOrder)(QString, int) = &Restaurant::receiveOrder;
+    QObject::connect(&c,toOrder,&r,receiveOrder);
+
+    // 绑定店家上菜信号和客户的槽函数
+    QObject::connect(&r,&Restaurant::okOrder,&c,&Custom::okOrderHandle);
+
+    c.show();
+    return a.exec();
+}

day11/qtdemo2/qtdemo2.pro

@@ -0,0 +1,30 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    custom.cpp \
+    restaurant.cpp
+
+HEADERS += \
+    custom.h \
+    restaurant.h
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

day11/qtdemo2/restaurant.cpp

@@ -0,0 +1,25 @@
+#include "restaurant.h"
+
+Restaurant::Restaurant(QWidget *parent) : QWidget(parent)
+{
+
+}
+
+void Restaurant::receiveOrder(QString name, int n)
+{
+    qDebug() << "店家已接收到菜单: " << name << ", 数量: " << n;
+
+    // 等待 10 秒
+    // QThread::msleep(10*1000); // 单位毫秒，UI阻塞
+
+    // 创建定时器，UI非阻塞
+    QTimer *timer = new QTimer();
+    // 绑定定时器的超时信号与 Lambda 表达式的匿名处理函数
+    QTimer::connect(timer,&QTimer::timeout,[&](){
+       qDebug() << "完成订单，上菜";
+       // 发送上菜的信号
+       emit okOrder();
+    });
+    timer->setSingleShot(true); // 单次使用
+    timer->start(10*1000); // 单位: 毫秒
+}

day11/qtdemo2/restaurant.h

@@ -0,0 +1,24 @@
+#ifndef RESTAURANT_H
+#define RESTAURANT_H
+
+#include <QWidget>
+#include <QTimer>
+#include <QDebug>
+#include "custom.h"
+
+class Restaurant : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit Restaurant(QWidget *parent = nullptr);
+
+public slots:
+    // 接单的处理槽函数
+    void receiveOrder(QString name, int n);
+
+signals:
+    void okOrder(); // 完成菜品
+
+};
+
+#endif // RESTAURANT_H

day11/switchab/awidget.cpp

@@ -0,0 +1,42 @@
+#include "awidget.h"
+
+aWidget::aWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    // 设置A窗口实例的属性
+    setFixedSize(400,200);
+    setWindowTitle("A界面");
+    move(200,100);
+
+    // 新建B窗口对象
+    b = new bWidget();
+    b->setFixedSize(400,200);
+    b->setWindowTitle("B界面");
+    b->move(800,100);
+
+    // 新建“进入B”按钮，并设置其属性
+    btnToB = new QPushButton("进入B",this);
+    btnToB->resize(60,40);
+
+    // 绑定“进入B”按钮点击信号与“进入B界面并隐藏A界面”的槽函数
+    connect(btnToB,&QPushButton::clicked,this,&aWidget::toBHandle);
+    // 绑定“B界面返回A界面信号”与当前界面的“A界面显示并隐藏B界面”的槽函数
+    connect(b,&bWidget::returnASignal,this,&aWidget::returnAHandle);
+}
+
+void aWidget::toBHandle()
+{
+    this->hide(); // 隐藏A界面
+    b->show(); // 显示B界面
+}
+
+void aWidget::returnAHandle()
+{
+    b->hide(); // 隐藏B界面
+    this->show(); // 显示A界面
+}
+
+aWidget::~aWidget()
+{
+}
+

day11/switchab/awidget.h

@@ -0,0 +1,32 @@
+#ifndef AWIDGET_H
+#define AWIDGET_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QDebug>
+#include "bwidget.h"
+
+class aWidget : public QWidget
+{
+    Q_OBJECT
+
+private:
+    bWidget *b;
+
+public slots:
+    void toBHandle();
+    void returnAHandle();
+
+signals:
+    void toBSignal();
+
+private:
+    QPushButton *btnToB;
+
+
+
+public:
+    aWidget(QWidget *parent = nullptr);
+    ~aWidget();
+};
+#endif // AWIDGET_H

day11/switchab/bwidget.cpp

@@ -0,0 +1,16 @@
+#include "bwidget.h"
+
+bWidget::bWidget(QWidget *parent) : QWidget(parent)
+{
+    // 新建“返回A”按钮，并设置其属性
+    btnReturnA = new QPushButton("返回A",this);
+    btnReturnA->resize(60,40);
+
+    // 绑定“返回A”按钮点击事件与“发送返回A界面的信号”的槽函数
+    connect(btnReturnA,&QPushButton::clicked,this,&bWidget::sendReturnASignal);
+}
+
+void bWidget::sendReturnASignal()
+{
+    emit returnASignal(); // 触发“返回A界面”信号
+}

day11/switchab/bwidget.h

@@ -0,0 +1,28 @@
+#ifndef BWIDGET_H
+#define BWIDGET_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QDebug>
+
+class bWidget : public QWidget
+{
+    Q_OBJECT
+
+private:
+    QPushButton *btnReturnA;
+
+public slots:
+    void sendReturnASignal();
+
+signals:
+    void returnASignal();
+
+public:
+    explicit bWidget(QWidget *parent = nullptr);
+
+signals:
+
+};
+
+#endif // BWIDGET_H

day11/switchab/main.cpp

@@ -0,0 +1,12 @@
+#include "awidget.h"
+#include "bwidget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication qa(argc, argv);
+    aWidget a; // 新建一个界面A对象a
+    a.show(); // 程序初始化运行时显示A对象a界面
+    return qa.exec();
+}

day11/switchab/switchab.pro

@@ -0,0 +1,30 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    bwidget.cpp \
+    main.cpp \
+    awidget.cpp
+
+HEADERS += \
+    awidget.h \
+    bwidget.h
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

day12/qtdemo3/main.cpp

@@ -0,0 +1,11 @@
+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Widget w;
+    w.show();
+    return a.exec();
+}

day12/qtdemo3/qtdemo3.pro

@@ -0,0 +1,34 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+FORMS += \
+    widget.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    res.qrc

day12/qtdemo3/res.qrc

@@ -0,0 +1,10 @@
+<RCC>
+    <qresource prefix="/images">
+        <file alias="add">resources/add.png</file>
+        <file alias="mario">resources/mario.gif</file>
+        <file alias="open">resources/open.png</file>
+        <file alias="save">resources/save.png</file>
+        <file alias="sunny">resources/Sunny.jpg</file>
+    </qresource>
+    <qresource prefix="/videos"/>
+</RCC>

day12/qtdemo3/widget.cpp

@@ -0,0 +1,99 @@
+#include "widget.h"
+#include "ui_widget.h"
+#include <QPixmap>
+
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::Widget)
+{
+    n=0;
+    ui->setupUi(this);
+
+    // 设置 imageLable 的图片资源
+    QPixmap pixmap;
+    // : 开头表示引用 Qt 的资源文件
+    pixmap.load(":/images/mario"); // 加载像素图
+    ui->imageLable->resize(200,200);
+    ui->imageLable->setPixmap(pixmap); // 设置 QLable 显示图片
+
+    marioGif = new QMovie(":/images/mario");
+    ui->imageLable->setMovie(marioGif);
+
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}
+
+
+void Widget::on_hotBtn_clicked()
+{
+    ui->whatLable->setText("巧乐兹");
+}
+
+void Widget::on_coldBtn_clicked()
+{
+    ui->whatLable->setText("厚棉被");
+}
+
+void Widget::on_coldBtn_2_clicked()
+{
+
+}
+
+void Widget::on_setTitleIconBtn_clicked()
+{
+    n++;
+    if(n%2==0){
+
+        this->setWindowIcon(QIcon(":/images/save"));
+        this->setWindowTitle("标题被修改了");
+        showMaximized();
+    } else{
+        this->setWindowIcon(QIcon(""));
+        this->setWindowTitle("");
+        showNormal();
+    }
+}
+
+void Widget::on_showImg_pressed()
+{
+    //ui->imageLable->hide();
+    marioGif->start();
+}
+
+void Widget::on_showImg_released()
+{
+    marioGif->stop();
+    //ui->imageLable->show();
+}
+
+void Widget::on_setImgBtn_pressed()
+{
+    QPixmap pixmap2;
+    pixmap2.load(":/images/sunny");
+
+    ui->showImg->setText("");
+    ui->showImg->setIconSize(QSize(200,200));
+    ui->showImg->setIcon(pixmap2);
+}
+
+void Widget::on_setImgBtn_released()
+{
+    ui->showImg->setText("图片运输中");
+    ui->showImg->setIcon(QPixmap());
+}
+
+void Widget::on_setbgBtn_clicked()
+{
+//    setStyleSheet("background-color: red; color: white; font-size: 16px;");
+    //setStyleSheet("background: qlineargradient(x1:0, y1:0, x2:1, y2:0, stop:0 #FF0000, stop:0.17 #FF7F00, stop:0.33 #FFFF00, stop:0.5 #00FF00, stop:0.67 #0000FF, stop:0.83 #4B0082, stop:1 #8B00FF);");
+    //QString styleSheet = "background: qlineargradient(x1:0, y1:0, x2:1, y2:0, stop:0.5 #000000, stop:0 #FF00F0,stop:1 #0F0F0F);";
+    //setStyleSheet(styleSheet);
+    showFullScreen();
+
+
+}
+

day12/qtdemo3/widget.h

@@ -0,0 +1,49 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+#include <QMovie>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class Widget; }
+QT_END_NAMESPACE
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+private:
+        int n;
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+
+private slots:
+    void on_hotBtn_clicked();
+
+    void on_coldBtn_clicked();
+
+    void on_coldBtn_2_clicked();
+
+    void on_setTitleIconBtn_clicked();
+
+    void on_setImgBtn_clicked();
+
+    void on_showImg_pressed();
+
+    void on_showImg_released();
+
+    void on_setImgBtn_pressed();
+
+    void on_setImgBtn_released();
+
+    void on_setbgBtn_clicked(bool checked);
+
+    void on_setbgBtn_clicked();
+
+private:
+    Ui::Widget *ui;
+    QMovie *marioGif;
+};
+#endif // WIDGET_H

day12/qtdemo3/widget.ui

@@ -0,0 +1,216 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>654</width>
+    <height>476</height>
+   </rect>
+  </property>
+  <property name="cursor">
+   <cursorShape>OpenHandCursor</cursorShape>
+  </property>
+  <property name="windowTitle">
+   <string>Widget</string>
+  </property>
+  <property name="windowIcon">
+   <iconset resource="res.qrc">
+    <normaloff>:/images/open</normaloff>:/images/open</iconset>
+  </property>
+  <widget class="QPushButton" name="hotBtn">
+   <property name="geometry">
+    <rect>
+     <x>170</x>
+     <y>8</y>
+     <width>201</width>
+     <height>81</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>ClosedHandCursor</cursorShape>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 36pt &quot;华文隶书&quot;;
+alternate-background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 rgba(9, 41, 4, 255), stop:0.085 rgba(2, 79, 0, 255), stop:0.19 rgba(50, 147, 22, 255), stop:0.275 rgba(236, 191, 49, 255), stop:0.39 rgba(243, 61, 34, 255), stop:0.555 rgba(135, 81, 60, 255), stop:0.667 rgba(121, 75, 255, 255), stop:0.825 rgba(164, 255, 244, 255), stop:0.885 rgba(104, 222, 71, 255), stop:1 rgba(93, 128, 0, 255));
+color: rgb(255, 85, 255);</string>
+   </property>
+   <property name="text">
+    <string>热了</string>
+   </property>
+   <property name="iconSize">
+    <size>
+     <width>37</width>
+     <height>55</height>
+    </size>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>10</x>
+     <y>110</y>
+     <width>191</width>
+     <height>69</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>WhatsThisCursor</cursorShape>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: rgb(0, 170, 255);
+font: 18pt &quot;华文琥珀&quot;;</string>
+   </property>
+   <property name="text">
+    <string>出门买啥？</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="whatLable">
+   <property name="geometry">
+    <rect>
+     <x>230</x>
+     <y>120</y>
+     <width>361</width>
+     <height>141</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>SizeBDiagCursor</cursorShape>
+   </property>
+   <property name="layoutDirection">
+    <enum>Qt::RightToLeft</enum>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: rgb(255, 85, 0);
+color: rgb(255, 255, 255);
+background-color: qlineargradient(spread:pad, x1:0, y1:0, x2:1, y2:0, stop:0 rgba(255, 0, 0, 255), stop:0.166 rgba(255, 255, 0, 255), stop:0.333 rgba(0, 255, 0, 255), stop:0.5 rgba(0, 255, 255, 255), stop:0.666 rgba(0, 0, 255, 255), stop:0.833 rgba(255, 0, 255, 255), stop:1 rgba(255, 0, 0, 255));
+font: 72pt &quot;华文彩云&quot;;</string>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="coldBtn">
+   <property name="geometry">
+    <rect>
+     <x>410</x>
+     <y>10</y>
+     <width>201</width>
+     <height>81</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>CrossCursor</cursorShape>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 36pt &quot;华文隶书&quot;;
+selection-background-color: rgb(255, 170, 127);
+color: rgb(170, 255, 255);</string>
+   </property>
+   <property name="text">
+    <string>冻着了</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="imageLable">
+   <property name="enabled">
+    <bool>true</bool>
+   </property>
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>260</y>
+     <width>121</width>
+     <height>121</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>WaitCursor</cursorShape>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="setImgBtn">
+   <property name="geometry">
+    <rect>
+     <x>240</x>
+     <y>300</y>
+     <width>191</width>
+     <height>49</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>SizeHorCursor</cursorShape>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 28pt &quot;华文隶书&quot;;
+</string>
+   </property>
+   <property name="text">
+    <string>设置图片</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="setTitleIconBtn">
+   <property name="geometry">
+    <rect>
+     <x>240</x>
+     <y>400</y>
+     <width>191</width>
+     <height>49</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>UpArrowCursor</cursorShape>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 18pt &quot;华文隶书&quot;;
+</string>
+   </property>
+   <property name="text">
+    <string>标题Icon修改</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="showImg">
+   <property name="geometry">
+    <rect>
+     <x>440</x>
+     <y>280</y>
+     <width>201</width>
+     <height>181</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>ForbiddenCursor</cursorShape>
+   </property>
+   <property name="text">
+    <string>图片正在派送中</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="setbgBtn">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>40</y>
+     <width>141</width>
+     <height>49</height>
+    </rect>
+   </property>
+   <property name="cursor">
+    <cursorShape>UpArrowCursor</cursorShape>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 18pt &quot;华文隶书&quot;;
+</string>
+   </property>
+   <property name="text">
+    <string>背景修改</string>
+   </property>
+  </widget>
+ </widget>
+ <resources>
+  <include location="res.qrc"/>
+ </resources>
+ <connections/>
+</ui>

day12/qtdemo4/main.cpp

@@ -0,0 +1,11 @@
+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Widget w;
+    w.show();
+    return a.exec();
+}

day12/qtdemo4/qtdemo4.pro

@@ -0,0 +1,34 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+FORMS += \
+    widget.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    res.qrc

day12/qtdemo4/res.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/movies">
+        <file alias="yanhua">resources/yanhua1.gif</file>
+    </qresource>
+</RCC>

day12/qtdemo4/widget.cpp

@@ -0,0 +1,47 @@
+#include "widget.h"
+#include "ui_widget.h"
+
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::Widget)
+{
+    ui->setupUi(this);
+
+    // 加载动画资源
+    yanhuagif = new QMovie(":/movies/yanhua");
+
+    srand(time(NULL));
+    randNum = rand() % 10; // 0-9的数
+
+    // 开启定时器, 用于定时换随机数
+    timer = new QTimer();
+    connect(timer,&QTimer::timeout,[&](){
+        randNum = rand() % 10;
+    });
+    timer->start(5*1000); // 5秒
+
+
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}
+
+
+void Widget::on_pushButton_clicked()
+{
+    guessNum = ui->numEdit->text().toInt();
+    qDebug() << "随机数:" << randNum << "输入的数" << guessNum << endl;
+    QString resStr = "随机数: "+ QString::number(randNum)+ ", 你输入的数: "+QString::number(guessNum);
+    ui->tipesLable->setText("本轮结果: " + resStr);
+    if(guessNum == randNum){
+        ui->resaultShowLabel->setMovie(yanhuagif);
+        yanhuagif->start();
+    } else {
+        if(yanhuagif->state() == QMovie::Running)
+            yanhuagif->stop();
+        ui->resaultShowLabel->setText(" ");
+    }
+}

day12/qtdemo4/widget.h

@@ -0,0 +1,32 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+#include <QMovie>
+#include <QDebug>
+#include <QTimer>
+#include <cstdlib>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class Widget; }
+QT_END_NAMESPACE
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+
+private slots:
+    void on_pushButton_clicked();
+
+private:
+    Ui::Widget *ui;
+    int guessNum = 0;
+    int randNum = 0;
+    QMovie *yanhuagif;
+    QTimer *timer;
+};
+#endif // WIDGET_H

day12/qtdemo4/widget.ui

@@ -0,0 +1,133 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>500</width>
+    <height>400</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Widget</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="numEdit">
+       <property name="styleSheet">
+        <string notr="true">padding:5px;
+font: 18pt &quot;Agency FB&quot;;</string>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QPushButton" name="pushButton">
+       <property name="styleSheet">
+        <string notr="true">font: 18pt &quot;Agency FB&quot;;</string>
+       </property>
+       <property name="text">
+        <string>猜一猜</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer_3">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QWidget" name="widget" native="true">
+     <layout class="QHBoxLayout" name="horizontalLayout_3">
+      <item>
+       <widget class="QLabel" name="tipesLable">
+        <property name="styleSheet">
+         <string notr="true">font: 14pt &quot;宋体&quot;;
+color: rgb(170, 170, 255);</string>
+        </property>
+        <property name="text">
+         <string>结果: </string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
+      <widget class="QLabel" name="resaultShowLabel">
+       <property name="text">
+        <string/>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

day12/rock-paper-scissors/main.cpp

@@ -0,0 +1,15 @@
+#include "mainwidget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWidget mainWidget;
+
+    mainWidget.setWindowTitle("猜拳");
+    mainWidget.setWindowIcon(QIcon(":/imgs/rock"));
+
+    mainWidget.show();
+    return a.exec();
+}

day12/rock-paper-scissors/mainwidget.cpp

@@ -0,0 +1,159 @@
+#include "mainwidget.h"
+#include "ui_mainwidget.h"
+
+MainWidget::MainWidget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::MainWidget)
+{
+    ui->setupUi(this);
+
+     rockImg = new QPixmap(":/imgs/rock"); // 随机数为 0 时, 加载拳头
+     paperImg = new QPixmap(":/imgs/paper"); // 随机数为 1 时, 加载布
+     scissorsImg = new QPixmap(":/imgs/scissors"); // 随机数为 2 时, 加载剪刀
+
+    // 电脑初始化时加载的图片
+    QPixmap firstImg;
+    firstImg.load(":/imgs/scissors");
+    ui->randImgsLable->setPixmap(firstImg);
+
+    // 初始化计分板数据
+    numsOfGame = 0;
+    currentScore = 0;
+
+    // 随机函数定义
+    srand(time(NULL)); // 随时间变化的随机种子
+    timer = new QTimer();
+    connect(timer,&QTimer::timeout,[&](){
+        randNum = rand() % 3; // 在 0-2 之间随机取值
+        QPixmap nowImg = switchImgs(randNum); // 根据当前的随机值加载图片
+        ui->randImgsLable->setPixmap(nowImg); // 将当前随机值对应的图片设置到主界面
+
+        // 调试信息
+        qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
+                 <<", playerInputNum: "<<playerInputNum<<endl;
+    });
+}
+
+MainWidget::~MainWidget()
+{
+    delete ui;
+}
+
+
+void MainWidget::on_startGameBtn_clicked()
+{
+    numsOfGame++;
+
+    timer->start(0.05*1000); // 50ms
+
+    // 更新游戏次数
+    ui->numsOfGameLable->setText("游戏次数: " + QString::number(numsOfGame));
+}
+
+QPixmap MainWidget::switchImgs(int randNum)
+{
+    switch (randNum) {
+    case rock:
+        return *rockImg; // 随机数为 0 时, 加载拳头
+        break;
+    case paper:
+        return *paperImg; // 随机数为 1 时, 加载布
+        break;
+    case scissors:
+        return *scissorsImg; // 随机数为 2 时, 加载剪刀
+        break;
+    default:
+        return *paperImg; // 默认加载布
+        break;
+    }
+}
+
+void MainWidget::on_rockBtn_clicked()
+{
+    // 当计数器状态为 false, 即计时器当前已经是 stop 状态时, 点击当前按钮时, 直接返回, 不进行其他逻辑操作
+    if(timer->isActive() == false){
+        return;
+    }
+
+    timer->stop(); // 随机数生成的计数器停止
+    playerInputNum = rock; // 玩家出拳
+    // 则玩家赢加 10 分, 输减 3 分, 平局不得分
+    if(randNum == scissors){
+        currentScore+=10;
+    } else if(randNum == paper) {
+        currentScore-=3;
+    }
+
+    // 调试信息
+    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
+             <<", playerInputNum: "<<playerInputNum<<endl;
+
+    // 更新计分板
+    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));
+}
+
+void MainWidget::on_paperBtn_clicked()
+{
+    // 当计数器状态为 false, 即计时器当前已经是 stop 状态时, 点击当前按钮时, 直接返回, 不进行其他逻辑操作
+    if(timer->isActive() == false){
+        return;
+    }
+
+    timer->stop(); // 随机数生成的计数器停止
+    playerInputNum = paper; // 玩家出布
+    // 则玩家赢加 10 分, 输减 3 分, 平局不得分
+    if(randNum == rock){
+        currentScore+=10;
+    } else if(randNum == scissors) {
+        currentScore-=3;
+    }
+
+    // 调试信息
+    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
+             <<", playerInputNum: "<<playerInputNum<<endl;
+
+    // 更新计分板
+    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));
+}
+
+void MainWidget::on_scissorsBtn_clicked()
+{
+    // 当计数器状态为 false, 即计时器当前已经是 stop 状态时, 点击当前按钮时, 直接返回, 不进行其他逻辑操作
+    if(timer->isActive() == false){
+        return;
+    }
+
+    timer->stop(); // 随机数生成的计数器停止
+    playerInputNum = scissors; // 玩家出剪刀
+    // 则玩家赢加 10 分, 输减 3 分, 平局不得分
+    if(randNum == paper){
+        currentScore+=10;
+    } else if(randNum == rock) {
+        currentScore-=3;
+    }
+
+    // 调试信息
+    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
+             <<", playerInputNum: "<<playerInputNum<<endl;
+
+    // 更新计分板
+    ui->currentScoreLable->setText("当前得分: " + QString::number(currentScore));
+}
+
+void MainWidget::on_clearBtn_clicked()
+{
+    timer->stop(); // 随机数生成的计数器停止
+
+    // 统计数据重置为 0
+    currentScore = 0;
+    numsOfGame = 0;
+
+    // 更新游戏次数
+    ui->numsOfGameLable->setText("游戏次数: ");
+    // 更新计分板
+    ui->currentScoreLable->setText("当前得分: ");
+
+    // 调试信息
+    qDebug() << "numsOfGame: " << numsOfGame <<", randNum: "<<randNum
+             <<", playerInputNum: "<<playerInputNum<<endl;
+}

day12/rock-paper-scissors/mainwidget.h

@@ -0,0 +1,54 @@
+#ifndef MAINWIDGET_H
+#define MAINWIDGET_H
+
+#include <QWidget>
+#include <QIcon>
+#include <QPixmap>
+#include <QTimer>
+#include <QDebug>
+#include <cstdlib>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class MainWidget; }
+QT_END_NAMESPACE
+
+class MainWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    MainWidget(QWidget *parent = nullptr);
+    ~MainWidget();
+
+private:
+    Ui::MainWidget *ui;
+    QPixmap switchImgs(int); // 切换电脑图片函数
+
+private:
+    int randNum; // 电脑出招映射的随机数 0, 1, 2
+    int playerInputNum; // 玩家点击的按钮映射的数值 0, 1, 2
+    QTimer *timer;  // 计时器
+    // QPixmap *randImg; // 随机的电脑出招图片
+    int numsOfGame; // 游戏次数
+    int currentScore; // 当前得分
+    QPixmap *rockImg; // 拳头
+    QPixmap *paperImg; // 布
+    QPixmap *scissorsImg; // 剪刀
+
+public:
+    // 定义枚举: 0-拳、1-布、2-剪刀
+    enum{
+      rock,
+      paper,
+      scissors
+    };
+
+
+private slots:
+    void on_startGameBtn_clicked();
+    void on_rockBtn_clicked();
+    void on_paperBtn_clicked();
+    void on_scissorsBtn_clicked();
+    void on_clearBtn_clicked();
+};
+#endif // MAINWIDGET_H

day12/rock-paper-scissors/mainwidget.ui

@@ -0,0 +1,431 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWidget</class>
+ <widget class="QWidget" name="MainWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWidget</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: qconicalgradient(cx:0, cy:0, angle:135, stop:0 rgba(255, 255, 0, 69), stop:0.375 rgba(255, 255, 0, 69), stop:0.423533 rgba(251, 255, 0, 145), stop:0.45 rgba(247, 255, 0, 208), stop:0.477581 rgba(255, 244, 71, 130), stop:0.518717 rgba(255, 218, 71, 130), stop:0.55 rgba(255, 255, 0, 255), stop:0.57754 rgba(255, 203, 0, 130), stop:0.625 rgba(255, 255, 0, 69), stop:1 rgba(255, 255, 0, 69));</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QWidget" name="widget" native="true">
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <widget class="QWidget" name="widget_3" native="true">
+        <property name="maximumSize">
+         <size>
+          <width>500</width>
+          <height>500</height>
+         </size>
+        </property>
+        <property name="styleSheet">
+         <string notr="true">background-color: rgb(0, 170, 255);</string>
+        </property>
+        <layout class="QGridLayout" name="gridLayout_2">
+         <item row="0" column="1">
+          <layout class="QHBoxLayout" name="horizontalLayout_3">
+           <item>
+            <spacer name="horizontalSpacer_7">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer_11">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer_13">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <widget class="QLabel" name="randImgsLable">
+             <property name="maximumSize">
+              <size>
+               <width>500</width>
+               <height>500</height>
+              </size>
+             </property>
+             <property name="baseSize">
+              <size>
+               <width>0</width>
+               <height>0</height>
+              </size>
+             </property>
+             <property name="autoFillBackground">
+              <bool>false</bool>
+             </property>
+             <property name="text">
+              <string/>
+             </property>
+             <property name="scaledContents">
+              <bool>false</bool>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer_14">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer_12">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item>
+            <spacer name="horizontalSpacer_10">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+          </layout>
+         </item>
+         <item row="0" column="2">
+          <widget class="Line" name="line_2">
+           <property name="orientation">
+            <enum>Qt::Vertical</enum>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </item>
+      <item>
+       <spacer name="horizontalSpacer_9">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+      <item>
+       <widget class="QWidget" name="widget_4" native="true">
+        <property name="styleSheet">
+         <string notr="true">background-color: rgb(255, 85, 0);</string>
+        </property>
+        <layout class="QVBoxLayout" name="verticalLayout">
+         <item>
+          <widget class="QPushButton" name="rockBtn">
+           <property name="maximumSize">
+            <size>
+             <width>130</width>
+             <height>130</height>
+            </size>
+           </property>
+           <property name="text">
+            <string/>
+           </property>
+           <property name="icon">
+            <iconset resource="res.qrc">
+             <normaloff>:/imgs/rock</normaloff>:/imgs/rock</iconset>
+           </property>
+           <property name="iconSize">
+            <size>
+             <width>130</width>
+             <height>130</height>
+            </size>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="verticalSpacer">
+           <property name="orientation">
+            <enum>Qt::Vertical</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>20</width>
+             <height>40</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item>
+          <widget class="QPushButton" name="paperBtn">
+           <property name="maximumSize">
+            <size>
+             <width>130</width>
+             <height>130</height>
+            </size>
+           </property>
+           <property name="text">
+            <string/>
+           </property>
+           <property name="icon">
+            <iconset resource="res.qrc">
+             <normaloff>:/imgs/paper</normaloff>:/imgs/paper</iconset>
+           </property>
+           <property name="iconSize">
+            <size>
+             <width>130</width>
+             <height>130</height>
+            </size>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <spacer name="verticalSpacer_2">
+           <property name="orientation">
+            <enum>Qt::Vertical</enum>
+           </property>
+           <property name="sizeHint" stdset="0">
+            <size>
+             <width>20</width>
+             <height>40</height>
+            </size>
+           </property>
+          </spacer>
+         </item>
+         <item>
+          <widget class="QPushButton" name="scissorsBtn">
+           <property name="maximumSize">
+            <size>
+             <width>130</width>
+             <height>130</height>
+            </size>
+           </property>
+           <property name="text">
+            <string/>
+           </property>
+           <property name="icon">
+            <iconset resource="res.qrc">
+             <normaloff>:/imgs/scissors</normaloff>:/imgs/scissors</iconset>
+           </property>
+           <property name="iconSize">
+            <size>
+             <width>130</width>
+             <height>130</height>
+            </size>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </item>
+      <item>
+       <spacer name="horizontalSpacer_8">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>40</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="1" column="0">
+    <widget class="Line" name="line">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QWidget" name="widget_2" native="true">
+     <property name="styleSheet">
+      <string notr="true">background-color: rgb(85, 255, 255);</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_2">
+        <item>
+         <spacer name="horizontalSpacer_3">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QLabel" name="numsOfGameLable">
+          <property name="styleSheet">
+           <string notr="true">font: 18pt &quot;黑体&quot;;</string>
+          </property>
+          <property name="text">
+           <string>游戏次数: </string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_5">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QLabel" name="currentScoreLable">
+          <property name="styleSheet">
+           <string notr="true">font: 18pt &quot;黑体&quot;;</string>
+          </property>
+          <property name="text">
+           <string>当前得分: </string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_2">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_4">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QPushButton" name="startGameBtn">
+          <property name="styleSheet">
+           <string notr="true">font: 18pt &quot;黑体&quot;;
+color: rgb(255, 0, 0);</string>
+          </property>
+          <property name="text">
+           <string>开始游戏</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="clearBtn">
+          <property name="styleSheet">
+           <string notr="true">font: 18pt &quot;黑体&quot;;
+color: rgb(255, 0, 0);</string>
+          </property>
+          <property name="text">
+           <string>清零</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <spacer name="horizontalSpacer_6">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+     </layout>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="res.qrc"/>
+ </resources>
+ <connections/>
+</ui>

day12/rock-paper-scissors/res.qrc

@@ -0,0 +1,7 @@
+<RCC>
+    <qresource prefix="/imgs">
+        <file alias="paper">resources/paper.png</file>
+        <file alias="rock">resources/rock.png</file>
+        <file alias="scissors">resources/scissors.png</file>
+    </qresource>
+</RCC>

day12/rock-paper-scissors/rock-paper-scissors.pro

@@ -0,0 +1,34 @@
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    mainwidget.cpp
+
+HEADERS += \
+    mainwidget.h
+
+FORMS += \
+    mainwidget.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    res.qrc

day13/LPR/Makefile

@@ -0,0 +1,13 @@
+cc = g++
+cflags = -Wall -lssl -lcrypto -lcurl -ljsoncpp
+cflags += -I/home/flykhan/.tools/openssl_build/include/
+cflags += -I/home/flykhan/.tools/curl/include/
+cflags += -I/home/flykhan/.tools/jsoncpp-Sandbox/jsoncpp-build/include/
+cflags += -L/home/flykhan/.tools/openssl_build/lib/
+cflags += -L/home/flykhan/.tools/curl/lib/
+cflags += -L/home/flykhan/.tools/jsoncpp-Sandbox/jsoncpp-build/lib/
+
+main: main.cpp
+	$(cc) main.cpp -o main $(cflags) -std=c++14
+clean:
+	rm *.o main -rf

day13/LPR/base/base.h

@@ -0,0 +1,264 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_BASE_H__
+#define __AIP_BASE_H__
+
+#include <memory>
+#include <cstring>
+#include "http.h"
+#include "json/json.h"
+#include "base64.h"
+#include "curl/curl.h"
+#include "utils.h"
+
+namespace aip {
+    
+    static const char* AIP_SDK_VERSION = "0.3.3";
+    static const char* CURL_ERROR_CODE = "curl_error_code";
+    static const std::string ACCESS_TOKEN_URL = "https://aip.baidubce.com/oauth/2.0/token";
+    static const std::map<std::string, std::string> null;
+    
+    class AipBase
+    {
+    private:
+        std::string _app_id;
+        int _expired_time;
+        bool _is_bce;
+        bool _has_decide_type;
+        std::string _scope;
+        
+    protected:
+        std::string getAccessToken()
+        {
+            time_t now = time(NULL);
+            if (!access_token.empty())
+            {
+                return this->access_token;
+            }
+            
+            if (now < this->_expired_time - 60 * 60 * 24)
+            {
+                return this->access_token;
+            }
+            
+            std::string response;
+            std::map<std::string, std::string> params;
+            
+            params["grant_type"] = "client_credentials";
+            params["client_id"] = this->ak;
+            params["client_secret"] = this->sk;
+            int status_code = this->client.get(
+                                               ACCESS_TOKEN_URL,
+                                               &params,
+                                               nullptr,
+                                               &response
+                                               );
+            Json::Value obj;
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj.toStyledString();
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            this->access_token = obj["access_token"].asString();
+            this->_expired_time = obj["expires_in"].asInt() + (int) now;
+            this->_scope = obj["scope"].asString();
+            return this->access_token;
+        }
+        
+    public:
+        std::string ak;
+        std::string sk;
+        HttpClient client;
+        Json::CharReaderBuilder crbuilder;
+        std::string access_token;
+        AipBase(const std::string & app_id, const std::string & ak, const std::string & sk):
+        _app_id(app_id),
+        _is_bce(false),
+        _has_decide_type(false),
+        ak(ak),
+        sk(sk)
+        {
+            if (_app_id == "")
+            {
+            }
+        }
+        
+        void setConnectionTimeoutInMillis(int connect_timeout)
+        {
+            this->client.setConnectTimeout(connect_timeout);
+        }
+        
+        void setSocketTimeoutInMillis(int socket_timeout)
+        {
+            this->client.setSocketTimeout(socket_timeout);
+        }
+        
+        void setDebug(bool debug)
+        {
+            this->client.setDebug(debug);
+        }
+        
+        std::string getAk() {
+            return ak;
+        }
+        
+        Json::Value request(
+                            std::string url,
+                            std::map<std::string, std::string> const & params,
+                            std::string const & data,
+                            std::map<std::string, std::string> const & headers)
+        {
+            std::string response;
+            Json::Value obj;
+            std::string body;
+            auto headers_for_sign = headers;
+            
+            auto temp_params = params;
+            
+            temp_params["charset"] = "UTF-8";
+            
+            this->prepare_request(url, temp_params, headers_for_sign);
+            
+            int status_code = this->client.post(url, &temp_params, data, &headers_for_sign, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }
+        
+        Json::Value request(
+                            std::string url,
+                            std::map<std::string, std::string> const & params,
+                            std::map<std::string, std::string> const & data,
+                            std::map<std::string, std::string> const & headers)
+        {
+            std::string response;
+            Json::Value obj;
+            
+            auto headers_for_sign = headers;
+            auto temp_params = params;
+            
+            this->prepare_request(url, temp_params, headers_for_sign);
+            
+            int status_code = this->client.post(url, &temp_params, data, &headers_for_sign, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }
+        
+        void prepare_request(std::string url,
+                             std::map<std::string, std::string> & params,
+                             std::map<std::string, std::string> & headers)
+        {
+            
+            params["aipSdk"] = "C";
+            params["aipSdkVersion"] = AIP_SDK_VERSION;
+            
+            if (_has_decide_type) {
+                if (_is_bce) {
+                    std::string method = "POST";
+                    sign(method, url, params, headers, ak, sk);
+                } else {
+                    params["access_token"] = this->getAccessToken();
+                }
+                
+                return;
+            }
+            
+            if (getAccessToken() == "") {
+                _is_bce = true;
+                
+            } else {
+                
+                const char * t = std::strstr(this->_scope.c_str(), "brain_all_scope");
+                
+                if (t == NULL)
+                {
+                    _is_bce = true;
+                }
+            }
+            
+            _has_decide_type = true;
+            prepare_request(url, params, headers);
+        }
+     
+
+       Json::Value requestjson(
+                            std::string url,
+                            Json::Value & data,
+                            std::map<std::string, std::string> & params,
+                            std::map<std::string, std::string> const & headers)
+        {
+    
+            std::string response;
+            Json::Value obj;
+            auto headers_for_sign = headers;
+            auto temp_params = params;
+            this->prepare_request(url, temp_params, headers_for_sign);
+            int status_code = this->client.post(url, nullptr, data, nullptr, &response);
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[aip::CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+
+            return obj;
+        }
+
+       Json::Value request_com(
+                                  std::string const & url,
+                                  Json::Value & data)
+        {
+            std::string response;
+            Json::Value obj;
+            int status_code = this->client.post(url, nullptr, data, nullptr, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[aip::CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }        
+        
+  
+    };
+    
+}
+#endif

day13/LPR/base/base64.h

@@ -0,0 +1,130 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_BASE64_H__
+#define __AIP_BASE64_H__
+
+#include <iostream>
+#include <string>
+
+namespace aip {
+    
+    static const std::string base64_chars =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    "abcdefghijklmnopqrstuvwxyz"
+    "0123456789+/";
+    
+    
+    static inline bool is_base64(const char c)
+    {
+        return (isalnum(c) || (c == '+') || (c == '/'));
+    }
+    
+    std::string base64_encode(const char * bytes_to_encode, unsigned int in_len)
+    {
+        std::string ret;
+        int i = 0;
+        int j = 0;
+        unsigned char char_array_3[3];
+        unsigned char char_array_4[4];
+        
+        while (in_len--)
+        {
+            char_array_3[i++] = *(bytes_to_encode++);
+            if(i == 3)
+            {
+                char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+                char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+                char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+                char_array_4[3] = char_array_3[2] & 0x3f;
+                
+                for(i = 0; (i <4) ; i++)
+                {
+                    ret += base64_chars[char_array_4[i]];
+                }
+                i = 0;
+            }
+        }
+        
+        if(i)
+        {
+            for(j = i; j < 3; j++)
+            {
+                char_array_3[j] = '\0';
+            }
+            
+            char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+            char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+            char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+            char_array_4[3] = char_array_3[2] & 0x3f;
+            
+            for(j = 0; (j < i + 1); j++)
+            {
+                ret += base64_chars[char_array_4[j]];
+            }
+            
+            while((i++ < 3))
+            {
+                ret += '=';
+            }
+            
+        }
+        
+        return ret;
+    }
+    
+    std::string base64_decode(std::string const & encoded_string)
+    {
+        int in_len = (int) encoded_string.size();
+        int i = 0;
+        int j = 0;
+        int in_ = 0;
+        unsigned char char_array_4[4], char_array_3[3];
+        std::string ret;
+        
+        while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
+            char_array_4[i++] = encoded_string[in_]; in_++;
+            if (i ==4) {
+                for (i = 0; i <4; i++)
+                    char_array_4[i] = base64_chars.find(char_array_4[i]);
+                
+                char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+                char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
+                char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
+                
+                for (i = 0; (i < 3); i++)
+                    ret += char_array_3[i];
+                i = 0;
+            }
+        }
+        
+        if (i) {
+            for (j = i; j <4; j++)
+                char_array_4[j] = 0;
+            
+            for (j = 0; j <4; j++)
+                char_array_4[j] = base64_chars.find(char_array_4[j]);
+            
+            char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+            char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);  
+            char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];  
+            
+            for (j = 0; (j < i - 1); j++) ret += char_array_3[j];  
+        }  
+        
+        return ret;  
+    }
+    
+}
+#endif

day13/LPR/base/http.h

@@ -0,0 +1,234 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_HTTP_H__
+#define __AIP_HTTP_H__
+
+#include "curl/curl.h"
+
+#include <sstream>
+#include <string>
+#include <map>
+#include <json/json.h>
+
+namespace aip {
+    
+    inline size_t onWriteData(void * buffer, size_t size, size_t nmemb, void * userp)
+    {
+        std::string * str = dynamic_cast<std::string *>((std::string *)userp);
+        str->append((char *)buffer, size * nmemb);
+        return nmemb;
+    }
+    
+    class HttpClient
+    {
+    private:
+        bool debug = false;
+        int connect_timeout = 10000;
+        int socket_timeout = 10000;
+        
+        void makeUrlencodedForm(std::map<std::string, std::string> const & params, std::string * content) const
+        {
+            content->clear();
+            std::map<std::string, std::string>::const_iterator it;
+            for(it=params.begin(); it!=params.end(); it++)
+            {
+                char * key = curl_escape(it->first.c_str(), (int) it->first.size());
+                char * value = curl_escape(it->second.c_str(),(int) it->second.size());
+                *content += key;
+                *content += '=';
+                *content += value;
+                *content += '&';
+                curl_free(key);
+                curl_free(value);
+            }
+        }
+        
+        void appendUrlParams(std::map<std::string, std::string> const & params, std::string* url) const
+        {
+            if(params.empty()) {
+                return;
+            }
+            std::string content;
+            this->makeUrlencodedForm(params, &content);
+            bool url_has_param = false;
+            for (const auto& ch : *url) {
+                if (ch == '?') {
+                    url_has_param = true;
+                    break;
+                }
+            }
+            if (url_has_param) {
+                url->append("&");
+            } else {
+                url->append("?");
+            }
+            url->append(content);
+        }
+        
+        void appendHeaders(std::map<std::string, std::string> const & headers, curl_slist ** slist) const
+        {
+            std::ostringstream ostr;
+            std::map<std::string, std::string>::const_iterator it;
+            for(it=headers.begin(); it!=headers.end(); it++)
+            {
+                ostr << it->first << ":" << it->second;
+                *slist = curl_slist_append(*slist, ostr.str().c_str());
+                ostr.str("");
+            }
+        }
+        
+    public:
+        HttpClient() = default;
+        
+        HttpClient(const HttpClient &) = delete;
+        HttpClient & operator=(const HttpClient &) = delete;
+        
+        void setConnectTimeout(int connect_timeout)
+        {
+            this->connect_timeout = connect_timeout;
+        }
+        
+        void setSocketTimeout(int socket_timeout)
+        {
+            this->socket_timeout = socket_timeout;
+        }
+        
+        void setDebug(bool debug)
+        {
+            this->debug = debug;
+        }
+        
+        int get(
+                std::string url,
+                std::map<std::string, std::string> const * params,
+                std::map<std::string, std::string> const * headers,
+                std::string * response) const
+        {
+            CURL * curl = curl_easy_init();
+            struct curl_slist * slist = NULL;
+            if (headers) {
+                this->appendHeaders(*headers, &slist);
+            }
+            if (params) {
+                this->appendUrlParams(*params, &url);
+            }
+            
+            curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, onWriteData);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) response);
+            curl_easy_setopt(curl, CURLOPT_NOSIGNAL, true);
+            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, this->connect_timeout);
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, this->socket_timeout);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, this->debug);
+            
+            int status_code = curl_easy_perform(curl);
+            
+            curl_easy_cleanup(curl);
+            curl_slist_free_all(slist);
+            
+            return status_code;
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 const std::string & body,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            struct curl_slist * slist = NULL;
+            CURL * curl = curl_easy_init();
+            if (headers) {
+                this->appendHeaders(*headers, &slist);
+            }
+            if (params) {
+                this->appendUrlParams(*params, &url);
+            }
+            
+            curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+            curl_easy_setopt(curl, CURLOPT_POST, true);
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body.c_str());
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.size());
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, onWriteData);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) response);
+            curl_easy_setopt(curl, CURLOPT_NOSIGNAL, true);
+            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, this->connect_timeout);
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, this->socket_timeout);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, this->debug);
+            
+            int status_code = curl_easy_perform(curl);
+            
+            curl_easy_cleanup(curl);
+            curl_slist_free_all(slist);
+            
+            return status_code;
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 std::map<std::string, std::string> const & data,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            
+            std::string body;
+            this->makeUrlencodedForm(data, &body);
+            return this->post(std::move(url), params, body, headers, response);
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 Json::Value const & data,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            std::string body;
+            Json::StreamWriterBuilder swb;
+            std::unique_ptr<Json::StreamWriter> writer(swb.newStreamWriter());
+            std::ostringstream os;
+            writer->write(data, &os);
+            body = os.str();
+            std::map<std::string, std::string> temp_headers;
+            if (headers) {
+                std::map<std::string, std::string> temp_headers(*headers);
+            }
+            
+            temp_headers["Content-Type"] = "application/json";
+            return this->post(url.c_str(), params, body, &temp_headers, response);
+        }
+        
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            const static std::string EMPTY_STRING;
+            return this->post(std::move(url), params, EMPTY_STRING, headers, response);
+        }
+    };
+    
+}
+
+#endif

day13/LPR/base/utils.h

@@ -0,0 +1,283 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_UTILS_H__
+#define __AIP_UTILS_H__
+
+#include <string>
+#include <fstream>
+#include <ctype.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <algorithm>
+#include <openssl/md5.h>
+
+const int __BCE_VERSION__ = 1;
+const int __BCE_EXPIRE__ = 1800;
+
+namespace aip {
+    
+    template<class CharT, class Traits, class Allocator>
+    std::basic_istream<CharT, Traits>& getall(std::basic_istream<CharT, Traits>& input,
+                                              std::basic_string<CharT, Traits, Allocator>& str) {
+        std::ostringstream oss;
+        oss << input.rdbuf();
+        str.assign(oss.str());
+        return input;
+    }
+    
+    inline int get_file_content(const char *filename, std::string* out) {
+        std::ifstream in(filename, std::ios::in | std::ios::binary);
+        if (in) {
+            getall(in, *out);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    
+    inline std::string to_upper(std::string src)
+    {
+        std::transform(src.begin(), src.end(), src.begin(), toupper);
+        return src;
+    }
+    
+    
+    inline std::string to_lower(std::string src)
+    {
+        std::transform(src.begin(), src.end(), src.begin(), tolower);
+        return src;
+    }
+    
+    inline std::string to_hex(unsigned char c, bool lower = false)
+    {
+        const std::string hex = "0123456789ABCDEF";
+        
+        std::stringstream ss;
+        ss << hex[c >> 4] << hex[c & 0xf];
+        
+        return lower ? to_lower(ss.str()) : ss.str();
+    }
+    
+    inline time_t now()
+    {
+        return time(NULL);
+    }
+    
+    std::string utc_time(time_t timestamp)
+    {
+        struct tm result_tm;
+        char buffer[32];
+        
+#ifdef _WIN32
+        gmtime_s(&result_tm, &timestamp);
+#else
+        gmtime_r(&timestamp, &result_tm);
+#endif
+        
+        size_t size = strftime(buffer, 32, "%Y-%m-%dT%H:%M:%SZ", &result_tm);
+        
+        return std::string(buffer, size);
+    }
+    
+    void url_parse(
+                   const std::string & url,
+                   std::map<std::string, std::string> & params)
+    {
+        int pos = (int)url.find("?");
+        if (pos != -1)
+        {
+            int key_start = pos + 1,
+            key_len = 0,
+            val_start = 0;
+            for (int i = key_start; i <= (int)url.size(); ++i)
+            {
+                switch (url[i])
+                {
+                    case '=':
+                        key_len = i - key_start;
+                        val_start = i + 1;
+                        break;
+                    case '\0':
+                    case '&':
+                        if (key_len != 0)
+                        {
+                            params[url.substr(key_start, key_len)] = url.substr(val_start, i - val_start);
+                            key_start = i + 1;
+                            key_len = 0;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+    }
+    
+    std::string url_encode(const std::string & input, bool encode_slash=true)
+    {
+        std::stringstream ss;
+        const char *str = input.c_str();
+        
+        for (uint32_t i = 0; i < input.size(); i++)
+        {
+            unsigned char c = str[i];
+            if (isalnum(c) || c == '_' || c == '-' || c == '~' || c == '.' || (!encode_slash && c == '/'))
+            {
+                ss << c;
+            }
+            else
+            {
+                ss << "%" << to_hex(c);
+            }
+        }
+        
+        return ss.str();
+    }
+    
+    std::string canonicalize_params(std::map<std::string, std::string> & params)
+    {
+        std::vector<std::string> v;
+        v.reserve(params.size());
+        
+        for (auto & it : params) {
+            v.push_back(url_encode(it.first) + "=" + url_encode(it.second));
+        }
+        std::sort(v.begin(), v.end());
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : "&") + it);
+        }
+        return result;
+    }
+    
+    std::string canonicalize_headers(std::map<std::string, std::string> & headers)
+    {
+        std::vector<std::string> v;
+        v.reserve(headers.size());
+        
+        for (auto & it : headers) {
+            v.push_back(url_encode(to_lower(it.first)) + ":" + url_encode(it.second));
+        }
+        std::sort(v.begin(), v.end());
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : "\n") + it);
+        }
+        return result;
+    }
+    
+    std::string get_headers_keys(std::map<std::string, std::string> & headers)
+    {
+        std::vector<std::string> v;
+        v.reserve(headers.size());
+        
+        for (auto & it : headers) {
+            v.push_back(to_lower(it.first));
+        }
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : ";") + it);
+        }
+        return result;
+    }
+    
+    std::string get_host(const std::string & url)
+    {
+        int pos = (int)url.find("://") + 3;
+        return url.substr(
+                          pos,
+                          url.find('/', pos) - pos
+                          );
+    }
+    
+    
+    std::string get_path(const std::string & url)
+    {
+        int path_start = (int)url.find('/', url.find("://") + 3);
+        int path_end = (int)url.find('?');
+        path_end = path_end == -1 ? (int)url.size() : path_end;
+        
+        return url.substr(path_start, path_end - path_start);
+    }
+    
+    std::string hmac_sha256(
+                            const std::string & src,
+                            const std::string & sk)
+    {
+        const EVP_MD *evp_md = EVP_sha256();
+        unsigned char md[EVP_MAX_MD_SIZE];
+        unsigned int md_len = 0;
+        
+        if (HMAC(evp_md,
+                 reinterpret_cast<const unsigned char *>(sk.data()), (int)sk.size(),
+                 reinterpret_cast<const unsigned char *>(src.data()), src.size(),
+                 md, &md_len) == NULL)
+        {
+            return "";
+        }
+        
+        std::stringstream ss;
+        for (int i = 0; i < (int)md_len; ++i)
+        {
+            ss << to_hex(md[i], true);
+        }
+        
+        return ss.str();
+    }
+    
+    void sign(
+              std::string method,
+              std::string & url,
+              std::map<std::string, std::string> & params,
+              std::map<std::string, std::string> & headers,
+              std::string & ak,
+              std::string & sk)
+    {
+        url_parse(url, params);
+        headers["Host"] = get_host(url);
+        std::string timestamp = utc_time(now());
+        headers["x-bce-date"] = timestamp;
+        
+        std::stringstream ss;
+        ss << "bce-auth-v" << __BCE_VERSION__ << "/" << ak << "/"
+        << timestamp  << "/" << __BCE_EXPIRE__;
+        
+        std::string val = ss.str();
+        std::string sign_key = hmac_sha256(val, sk);
+        
+        ss.str("");
+        ss << to_upper(method) << '\n' << url_encode(get_path(url), false)
+        << '\n' << canonicalize_params(params)
+        << '\n' << canonicalize_headers(headers);
+        
+        std::string signature = hmac_sha256(ss.str(), sign_key);
+        
+        ss.str("");
+        ss << "bce-auth-v" << __BCE_VERSION__ << "/" << ak << "/"
+        << timestamp  << "/" << __BCE_EXPIRE__ << "/"
+        << get_headers_keys(headers) << "/" << signature;
+        
+        headers["authorization"] = ss.str();
+    }
+    
+}
+
+#endif

day13/LPR/main.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+#include "ocr.h"   // 用于调用接口
+#include <string>  // 用于 string 的操作
+#include <codecvt> // 用于转码
+
+using namespace std;
+
+int main(int argc, char const *argv[]) // argc: 参数个数, argv: 参数列表
+{
+    if (argc < 2)
+    {
+        cout << "Usage: " << argv[0] << "车牌照片路径" << endl;
+        return -1;
+    }
+
+    string app_id = "35458273";                             // 你的 App ID
+    string api_key = "i45yQx4IaGoxxULLDVPl4iNj";            // 你的 Api Key
+    string secret_key = "jnt90aTbXCOp9L7gRB1xq1C3iT0bLuie"; // 你的 Secret Key
+
+    aip::Ocr client(app_id, api_key, secret_key); // 新建一个对象, 用于调用接口, 调用通用文字识别, 图片参数为本地图片
+    cout << "ok" << endl;
+
+    // 定义 json 格式的数据类型 Value, result 是 json 类型的 Value 类实例, 用于存储返回的结果
+    Json::Value result;
+    string image;
+
+    // 加载本地的车牌图片内容到 image 对象中, 用于调用车牌识别
+    // aip::get_file_content("R-C.jpg", &image);
+    aip::get_file_content(argv[1], &image);
+
+    // 客户端发送图片内容到百度服务器, 并返回结果到 result 对象中
+    result = client.license_plate(image, aip::null);
+    // cout << result << endl;
+    cout << "车牌颜色: " << result["words_result"]["color"] << endl;
+    cout << "车牌号码: " << result["words_result"]["number"].asString() << endl;
+
+    return 0;
+}

day13/documentRecognition/Makefile

@@ -0,0 +1,20 @@
+cc = g++
+cflags = -Wall -lssl -lcrypto -lcurl -ljsoncpp
+cflags += -I/home/flykhan/.tools/openssl_build/include/
+cflags += -I/home/flykhan/.tools/curl/include/
+cflags += -I/home/flykhan/.tools/jsoncpp-Sandbox/jsoncpp-build/include/
+cflags += -L/home/flykhan/.tools/openssl_build/lib/
+cflags += -L/home/flykhan/.tools/curl/lib/
+cflags += -L/home/flykhan/.tools/jsoncpp-Sandbox/jsoncpp-build/lib/
+
+idCard:
+	$(cc) idCard.cpp -o idCard $(cflags) -std=c++14
+
+bankCard:
+	$(cc) bankCard.cpp -o bankCard $(cflags) -std=c++14
+
+driverLicense:
+	$(cc) driverLicense.cpp -o driverLicense $(cflags) -std=c++14
+
+clean:
+	rm *.o idCard bankCard driverLicense -rf

day13/documentRecognition/bankCard.cpp

@@ -0,0 +1,55 @@
+#include <iostream>
+#include "ocr.h" // 用于调用接口
+
+using namespace std;
+
+string cardType(int);
+
+int main(int argc, char const *argv[])
+{
+    if (argc < 2)
+    {
+        cout << "用法: " << argv[0] << " 银行卡照片" << endl;
+        return -1; // 返回 -1 表示程序异常退出
+    }
+
+    string app_id = "35475147";                             // 你的 App ID
+    string api_key = "CSneGCoRs8zMD1F1PPnXyzPP";            // 你的 Api Key
+    string secret_key = "wlKjVS2lE9xPFVV7G5EI3gYm7Zk3tnu1"; // 你的 Secret Key
+
+    aip::Ocr client(app_id, api_key, secret_key); // 新建一个对象, 用于调用接口, 调用通用文字识别, 图片参数为本地图片
+    // cout << "ok" << endl;
+
+    // 定义 json 格式的数据类型 Value, result 是 json 类型的 Value 类实例, 用于存储返回的结果
+    Json::Value result;
+    string image; // 用于存储图片内容
+
+    // 加载本地的银行卡图片内容到 image 对象中, 用于调用银行卡识别
+    aip::get_file_content(argv[1], &image);
+
+    // 客户端发送图片内容到百度服务器, 并返回结果到 result 对象中
+    result = client.bankcard(image, aip::null);
+
+    int cardTypeNum = result["result"]["bank_card_type"].asInt(); // 卡类型判定 0:不能识别; 1: 借记卡; 2: 信用卡
+
+    cout << "识别到的银行卡信息如下: " << endl;
+    cout << "发卡行: " << result["result"]["bank_name"].asString() << endl;
+    cout << "卡号: " << result["result"]["bank_card_number"].asString() << endl;
+    cout << "卡类型: " << cardType(cardTypeNum) << endl;
+
+    return 0;
+}
+
+// 卡类型判定 0:不能识别; 1: 借记卡; 2: 信用卡
+string cardType(int type)
+{
+    switch (type)
+    {
+    case 0:
+        return "不能识别";
+    case 1:
+        return "借记卡";
+    case 2:
+        return "信用卡";
+    }
+}

day13/documentRecognition/base/base.h

@@ -0,0 +1,264 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_BASE_H__
+#define __AIP_BASE_H__
+
+#include <memory>
+#include <cstring>
+#include "http.h"
+#include "json/json.h"
+#include "base64.h"
+#include "curl/curl.h"
+#include "utils.h"
+
+namespace aip {
+    
+    static const char* AIP_SDK_VERSION = "0.3.3";
+    static const char* CURL_ERROR_CODE = "curl_error_code";
+    static const std::string ACCESS_TOKEN_URL = "https://aip.baidubce.com/oauth/2.0/token";
+    static const std::map<std::string, std::string> null;
+    
+    class AipBase
+    {
+    private:
+        std::string _app_id;
+        int _expired_time;
+        bool _is_bce;
+        bool _has_decide_type;
+        std::string _scope;
+        
+    protected:
+        std::string getAccessToken()
+        {
+            time_t now = time(NULL);
+            if (!access_token.empty())
+            {
+                return this->access_token;
+            }
+            
+            if (now < this->_expired_time - 60 * 60 * 24)
+            {
+                return this->access_token;
+            }
+            
+            std::string response;
+            std::map<std::string, std::string> params;
+            
+            params["grant_type"] = "client_credentials";
+            params["client_id"] = this->ak;
+            params["client_secret"] = this->sk;
+            int status_code = this->client.get(
+                                               ACCESS_TOKEN_URL,
+                                               &params,
+                                               nullptr,
+                                               &response
+                                               );
+            Json::Value obj;
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj.toStyledString();
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            this->access_token = obj["access_token"].asString();
+            this->_expired_time = obj["expires_in"].asInt() + (int) now;
+            this->_scope = obj["scope"].asString();
+            return this->access_token;
+        }
+        
+    public:
+        std::string ak;
+        std::string sk;
+        HttpClient client;
+        Json::CharReaderBuilder crbuilder;
+        std::string access_token;
+        AipBase(const std::string & app_id, const std::string & ak, const std::string & sk):
+        _app_id(app_id),
+        _is_bce(false),
+        _has_decide_type(false),
+        ak(ak),
+        sk(sk)
+        {
+            if (_app_id == "")
+            {
+            }
+        }
+        
+        void setConnectionTimeoutInMillis(int connect_timeout)
+        {
+            this->client.setConnectTimeout(connect_timeout);
+        }
+        
+        void setSocketTimeoutInMillis(int socket_timeout)
+        {
+            this->client.setSocketTimeout(socket_timeout);
+        }
+        
+        void setDebug(bool debug)
+        {
+            this->client.setDebug(debug);
+        }
+        
+        std::string getAk() {
+            return ak;
+        }
+        
+        Json::Value request(
+                            std::string url,
+                            std::map<std::string, std::string> const & params,
+                            std::string const & data,
+                            std::map<std::string, std::string> const & headers)
+        {
+            std::string response;
+            Json::Value obj;
+            std::string body;
+            auto headers_for_sign = headers;
+            
+            auto temp_params = params;
+            
+            temp_params["charset"] = "UTF-8";
+            
+            this->prepare_request(url, temp_params, headers_for_sign);
+            
+            int status_code = this->client.post(url, &temp_params, data, &headers_for_sign, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }
+        
+        Json::Value request(
+                            std::string url,
+                            std::map<std::string, std::string> const & params,
+                            std::map<std::string, std::string> const & data,
+                            std::map<std::string, std::string> const & headers)
+        {
+            std::string response;
+            Json::Value obj;
+            
+            auto headers_for_sign = headers;
+            auto temp_params = params;
+            
+            this->prepare_request(url, temp_params, headers_for_sign);
+            
+            int status_code = this->client.post(url, &temp_params, data, &headers_for_sign, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }
+        
+        void prepare_request(std::string url,
+                             std::map<std::string, std::string> & params,
+                             std::map<std::string, std::string> & headers)
+        {
+            
+            params["aipSdk"] = "C";
+            params["aipSdkVersion"] = AIP_SDK_VERSION;
+            
+            if (_has_decide_type) {
+                if (_is_bce) {
+                    std::string method = "POST";
+                    sign(method, url, params, headers, ak, sk);
+                } else {
+                    params["access_token"] = this->getAccessToken();
+                }
+                
+                return;
+            }
+            
+            if (getAccessToken() == "") {
+                _is_bce = true;
+                
+            } else {
+                
+                const char * t = std::strstr(this->_scope.c_str(), "brain_all_scope");
+                
+                if (t == NULL)
+                {
+                    _is_bce = true;
+                }
+            }
+            
+            _has_decide_type = true;
+            prepare_request(url, params, headers);
+        }
+     
+
+       Json::Value requestjson(
+                            std::string url,
+                            Json::Value & data,
+                            std::map<std::string, std::string> & params,
+                            std::map<std::string, std::string> const & headers)
+        {
+    
+            std::string response;
+            Json::Value obj;
+            auto headers_for_sign = headers;
+            auto temp_params = params;
+            this->prepare_request(url, temp_params, headers_for_sign);
+            int status_code = this->client.post(url, nullptr, data, nullptr, &response);
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[aip::CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+
+            return obj;
+        }
+
+       Json::Value request_com(
+                                  std::string const & url,
+                                  Json::Value & data)
+        {
+            std::string response;
+            Json::Value obj;
+            int status_code = this->client.post(url, nullptr, data, nullptr, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[aip::CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }        
+        
+  
+    };
+    
+}
+#endif

day13/documentRecognition/base/base64.h

@@ -0,0 +1,130 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_BASE64_H__
+#define __AIP_BASE64_H__
+
+#include <iostream>
+#include <string>
+
+namespace aip {
+    
+    static const std::string base64_chars =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    "abcdefghijklmnopqrstuvwxyz"
+    "0123456789+/";
+    
+    
+    static inline bool is_base64(const char c)
+    {
+        return (isalnum(c) || (c == '+') || (c == '/'));
+    }
+    
+    std::string base64_encode(const char * bytes_to_encode, unsigned int in_len)
+    {
+        std::string ret;
+        int i = 0;
+        int j = 0;
+        unsigned char char_array_3[3];
+        unsigned char char_array_4[4];
+        
+        while (in_len--)
+        {
+            char_array_3[i++] = *(bytes_to_encode++);
+            if(i == 3)
+            {
+                char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+                char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+                char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+                char_array_4[3] = char_array_3[2] & 0x3f;
+                
+                for(i = 0; (i <4) ; i++)
+                {
+                    ret += base64_chars[char_array_4[i]];
+                }
+                i = 0;
+            }
+        }
+        
+        if(i)
+        {
+            for(j = i; j < 3; j++)
+            {
+                char_array_3[j] = '\0';
+            }
+            
+            char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+            char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+            char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+            char_array_4[3] = char_array_3[2] & 0x3f;
+            
+            for(j = 0; (j < i + 1); j++)
+            {
+                ret += base64_chars[char_array_4[j]];
+            }
+            
+            while((i++ < 3))
+            {
+                ret += '=';
+            }
+            
+        }
+        
+        return ret;
+    }
+    
+    std::string base64_decode(std::string const & encoded_string)
+    {
+        int in_len = (int) encoded_string.size();
+        int i = 0;
+        int j = 0;
+        int in_ = 0;
+        unsigned char char_array_4[4], char_array_3[3];
+        std::string ret;
+        
+        while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
+            char_array_4[i++] = encoded_string[in_]; in_++;
+            if (i ==4) {
+                for (i = 0; i <4; i++)
+                    char_array_4[i] = base64_chars.find(char_array_4[i]);
+                
+                char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+                char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
+                char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
+                
+                for (i = 0; (i < 3); i++)
+                    ret += char_array_3[i];
+                i = 0;
+            }
+        }
+        
+        if (i) {
+            for (j = i; j <4; j++)
+                char_array_4[j] = 0;
+            
+            for (j = 0; j <4; j++)
+                char_array_4[j] = base64_chars.find(char_array_4[j]);
+            
+            char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+            char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);  
+            char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];  
+            
+            for (j = 0; (j < i - 1); j++) ret += char_array_3[j];  
+        }  
+        
+        return ret;  
+    }
+    
+}
+#endif

day13/documentRecognition/base/http.h

@@ -0,0 +1,234 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_HTTP_H__
+#define __AIP_HTTP_H__
+
+#include "curl/curl.h"
+
+#include <sstream>
+#include <string>
+#include <map>
+#include <json/json.h>
+
+namespace aip {
+    
+    inline size_t onWriteData(void * buffer, size_t size, size_t nmemb, void * userp)
+    {
+        std::string * str = dynamic_cast<std::string *>((std::string *)userp);
+        str->append((char *)buffer, size * nmemb);
+        return nmemb;
+    }
+    
+    class HttpClient
+    {
+    private:
+        bool debug = false;
+        int connect_timeout = 10000;
+        int socket_timeout = 10000;
+        
+        void makeUrlencodedForm(std::map<std::string, std::string> const & params, std::string * content) const
+        {
+            content->clear();
+            std::map<std::string, std::string>::const_iterator it;
+            for(it=params.begin(); it!=params.end(); it++)
+            {
+                char * key = curl_escape(it->first.c_str(), (int) it->first.size());
+                char * value = curl_escape(it->second.c_str(),(int) it->second.size());
+                *content += key;
+                *content += '=';
+                *content += value;
+                *content += '&';
+                curl_free(key);
+                curl_free(value);
+            }
+        }
+        
+        void appendUrlParams(std::map<std::string, std::string> const & params, std::string* url) const
+        {
+            if(params.empty()) {
+                return;
+            }
+            std::string content;
+            this->makeUrlencodedForm(params, &content);
+            bool url_has_param = false;
+            for (const auto& ch : *url) {
+                if (ch == '?') {
+                    url_has_param = true;
+                    break;
+                }
+            }
+            if (url_has_param) {
+                url->append("&");
+            } else {
+                url->append("?");
+            }
+            url->append(content);
+        }
+        
+        void appendHeaders(std::map<std::string, std::string> const & headers, curl_slist ** slist) const
+        {
+            std::ostringstream ostr;
+            std::map<std::string, std::string>::const_iterator it;
+            for(it=headers.begin(); it!=headers.end(); it++)
+            {
+                ostr << it->first << ":" << it->second;
+                *slist = curl_slist_append(*slist, ostr.str().c_str());
+                ostr.str("");
+            }
+        }
+        
+    public:
+        HttpClient() = default;
+        
+        HttpClient(const HttpClient &) = delete;
+        HttpClient & operator=(const HttpClient &) = delete;
+        
+        void setConnectTimeout(int connect_timeout)
+        {
+            this->connect_timeout = connect_timeout;
+        }
+        
+        void setSocketTimeout(int socket_timeout)
+        {
+            this->socket_timeout = socket_timeout;
+        }
+        
+        void setDebug(bool debug)
+        {
+            this->debug = debug;
+        }
+        
+        int get(
+                std::string url,
+                std::map<std::string, std::string> const * params,
+                std::map<std::string, std::string> const * headers,
+                std::string * response) const
+        {
+            CURL * curl = curl_easy_init();
+            struct curl_slist * slist = NULL;
+            if (headers) {
+                this->appendHeaders(*headers, &slist);
+            }
+            if (params) {
+                this->appendUrlParams(*params, &url);
+            }
+            
+            curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, onWriteData);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) response);
+            curl_easy_setopt(curl, CURLOPT_NOSIGNAL, true);
+            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, this->connect_timeout);
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, this->socket_timeout);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, this->debug);
+            
+            int status_code = curl_easy_perform(curl);
+            
+            curl_easy_cleanup(curl);
+            curl_slist_free_all(slist);
+            
+            return status_code;
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 const std::string & body,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            struct curl_slist * slist = NULL;
+            CURL * curl = curl_easy_init();
+            if (headers) {
+                this->appendHeaders(*headers, &slist);
+            }
+            if (params) {
+                this->appendUrlParams(*params, &url);
+            }
+            
+            curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+            curl_easy_setopt(curl, CURLOPT_POST, true);
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body.c_str());
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.size());
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, onWriteData);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) response);
+            curl_easy_setopt(curl, CURLOPT_NOSIGNAL, true);
+            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, this->connect_timeout);
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, this->socket_timeout);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, this->debug);
+            
+            int status_code = curl_easy_perform(curl);
+            
+            curl_easy_cleanup(curl);
+            curl_slist_free_all(slist);
+            
+            return status_code;
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 std::map<std::string, std::string> const & data,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            
+            std::string body;
+            this->makeUrlencodedForm(data, &body);
+            return this->post(std::move(url), params, body, headers, response);
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 Json::Value const & data,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            std::string body;
+            Json::StreamWriterBuilder swb;
+            std::unique_ptr<Json::StreamWriter> writer(swb.newStreamWriter());
+            std::ostringstream os;
+            writer->write(data, &os);
+            body = os.str();
+            std::map<std::string, std::string> temp_headers;
+            if (headers) {
+                std::map<std::string, std::string> temp_headers(*headers);
+            }
+            
+            temp_headers["Content-Type"] = "application/json";
+            return this->post(url.c_str(), params, body, &temp_headers, response);
+        }
+        
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            const static std::string EMPTY_STRING;
+            return this->post(std::move(url), params, EMPTY_STRING, headers, response);
+        }
+    };
+    
+}
+
+#endif

day13/documentRecognition/base/utils.h

@@ -0,0 +1,283 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_UTILS_H__
+#define __AIP_UTILS_H__
+
+#include <string>
+#include <fstream>
+#include <ctype.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <algorithm>
+#include <openssl/md5.h>
+
+const int __BCE_VERSION__ = 1;
+const int __BCE_EXPIRE__ = 1800;
+
+namespace aip {
+    
+    template<class CharT, class Traits, class Allocator>
+    std::basic_istream<CharT, Traits>& getall(std::basic_istream<CharT, Traits>& input,
+                                              std::basic_string<CharT, Traits, Allocator>& str) {
+        std::ostringstream oss;
+        oss << input.rdbuf();
+        str.assign(oss.str());
+        return input;
+    }
+    
+    inline int get_file_content(const char *filename, std::string* out) {
+        std::ifstream in(filename, std::ios::in | std::ios::binary);
+        if (in) {
+            getall(in, *out);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    
+    inline std::string to_upper(std::string src)
+    {
+        std::transform(src.begin(), src.end(), src.begin(), toupper);
+        return src;
+    }
+    
+    
+    inline std::string to_lower(std::string src)
+    {
+        std::transform(src.begin(), src.end(), src.begin(), tolower);
+        return src;
+    }
+    
+    inline std::string to_hex(unsigned char c, bool lower = false)
+    {
+        const std::string hex = "0123456789ABCDEF";
+        
+        std::stringstream ss;
+        ss << hex[c >> 4] << hex[c & 0xf];
+        
+        return lower ? to_lower(ss.str()) : ss.str();
+    }
+    
+    inline time_t now()
+    {
+        return time(NULL);
+    }
+    
+    std::string utc_time(time_t timestamp)
+    {
+        struct tm result_tm;
+        char buffer[32];
+        
+#ifdef _WIN32
+        gmtime_s(&result_tm, &timestamp);
+#else
+        gmtime_r(&timestamp, &result_tm);
+#endif
+        
+        size_t size = strftime(buffer, 32, "%Y-%m-%dT%H:%M:%SZ", &result_tm);
+        
+        return std::string(buffer, size);
+    }
+    
+    void url_parse(
+                   const std::string & url,
+                   std::map<std::string, std::string> & params)
+    {
+        int pos = (int)url.find("?");
+        if (pos != -1)
+        {
+            int key_start = pos + 1,
+            key_len = 0,
+            val_start = 0;
+            for (int i = key_start; i <= (int)url.size(); ++i)
+            {
+                switch (url[i])
+                {
+                    case '=':
+                        key_len = i - key_start;
+                        val_start = i + 1;
+                        break;
+                    case '\0':
+                    case '&':
+                        if (key_len != 0)
+                        {
+                            params[url.substr(key_start, key_len)] = url.substr(val_start, i - val_start);
+                            key_start = i + 1;
+                            key_len = 0;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+    }
+    
+    std::string url_encode(const std::string & input, bool encode_slash=true)
+    {
+        std::stringstream ss;
+        const char *str = input.c_str();
+        
+        for (uint32_t i = 0; i < input.size(); i++)
+        {
+            unsigned char c = str[i];
+            if (isalnum(c) || c == '_' || c == '-' || c == '~' || c == '.' || (!encode_slash && c == '/'))
+            {
+                ss << c;
+            }
+            else
+            {
+                ss << "%" << to_hex(c);
+            }
+        }
+        
+        return ss.str();
+    }
+    
+    std::string canonicalize_params(std::map<std::string, std::string> & params)
+    {
+        std::vector<std::string> v;
+        v.reserve(params.size());
+        
+        for (auto & it : params) {
+            v.push_back(url_encode(it.first) + "=" + url_encode(it.second));
+        }
+        std::sort(v.begin(), v.end());
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : "&") + it);
+        }
+        return result;
+    }
+    
+    std::string canonicalize_headers(std::map<std::string, std::string> & headers)
+    {
+        std::vector<std::string> v;
+        v.reserve(headers.size());
+        
+        for (auto & it : headers) {
+            v.push_back(url_encode(to_lower(it.first)) + ":" + url_encode(it.second));
+        }
+        std::sort(v.begin(), v.end());
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : "\n") + it);
+        }
+        return result;
+    }
+    
+    std::string get_headers_keys(std::map<std::string, std::string> & headers)
+    {
+        std::vector<std::string> v;
+        v.reserve(headers.size());
+        
+        for (auto & it : headers) {
+            v.push_back(to_lower(it.first));
+        }
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : ";") + it);
+        }
+        return result;
+    }
+    
+    std::string get_host(const std::string & url)
+    {
+        int pos = (int)url.find("://") + 3;
+        return url.substr(
+                          pos,
+                          url.find('/', pos) - pos
+                          );
+    }
+    
+    
+    std::string get_path(const std::string & url)
+    {
+        int path_start = (int)url.find('/', url.find("://") + 3);
+        int path_end = (int)url.find('?');
+        path_end = path_end == -1 ? (int)url.size() : path_end;
+        
+        return url.substr(path_start, path_end - path_start);
+    }
+    
+    std::string hmac_sha256(
+                            const std::string & src,
+                            const std::string & sk)
+    {
+        const EVP_MD *evp_md = EVP_sha256();
+        unsigned char md[EVP_MAX_MD_SIZE];
+        unsigned int md_len = 0;
+        
+        if (HMAC(evp_md,
+                 reinterpret_cast<const unsigned char *>(sk.data()), (int)sk.size(),
+                 reinterpret_cast<const unsigned char *>(src.data()), src.size(),
+                 md, &md_len) == NULL)
+        {
+            return "";
+        }
+        
+        std::stringstream ss;
+        for (int i = 0; i < (int)md_len; ++i)
+        {
+            ss << to_hex(md[i], true);
+        }
+        
+        return ss.str();
+    }
+    
+    void sign(
+              std::string method,
+              std::string & url,
+              std::map<std::string, std::string> & params,
+              std::map<std::string, std::string> & headers,
+              std::string & ak,
+              std::string & sk)
+    {
+        url_parse(url, params);
+        headers["Host"] = get_host(url);
+        std::string timestamp = utc_time(now());
+        headers["x-bce-date"] = timestamp;
+        
+        std::stringstream ss;
+        ss << "bce-auth-v" << __BCE_VERSION__ << "/" << ak << "/"
+        << timestamp  << "/" << __BCE_EXPIRE__;
+        
+        std::string val = ss.str();
+        std::string sign_key = hmac_sha256(val, sk);
+        
+        ss.str("");
+        ss << to_upper(method) << '\n' << url_encode(get_path(url), false)
+        << '\n' << canonicalize_params(params)
+        << '\n' << canonicalize_headers(headers);
+        
+        std::string signature = hmac_sha256(ss.str(), sign_key);
+        
+        ss.str("");
+        ss << "bce-auth-v" << __BCE_VERSION__ << "/" << ak << "/"
+        << timestamp  << "/" << __BCE_EXPIRE__ << "/"
+        << get_headers_keys(headers) << "/" << signature;
+        
+        headers["authorization"] = ss.str();
+    }
+    
+}
+
+#endif

day13/documentRecognition/driverLicense.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+#include "ocr.h" // 用于调用接口
+
+using namespace std;
+
+int main(int argc, char const *argv[])
+{
+    if (argc < 2)
+    {
+        cout << "用法: " << argv[0] << " 驾驶证照片" << endl;
+        return -1;
+    }
+
+    string app_id = "35475147";                             // 你的 App ID
+    string api_key = "CSneGCoRs8zMD1F1PPnXyzPP";            // 你的 Api Key
+    string secret_key = "wlKjVS2lE9xPFVV7G5EI3gYm7Zk3tnu1"; // 你的 Secret Key
+
+    aip::Ocr client(app_id, api_key, secret_key); // 新建一个对象, 用于调用接口, 调用通用文字识别, 图片参数为本地图片
+    // cout << "ok" << endl;
+
+    // 定义 json 格式的数据类型 Value, result 是 json 类型的 Value 类实例, 用于存储返回的结果
+    Json::Value result;
+    string image;
+
+    // 加载本地的驾驶证图片内容到 image 对象中, 用于调用驾驶证识别
+    aip::get_file_content(argv[1], &image);
+
+    // 客户端发送图片内容到百度服务器, 并返回结果到 result 对象中
+    result = client.driving_license(image, aip::null);
+    cout << "识别到的驾驶证信息如下: " << endl;
+    // cout << result << endl;
+    cout << "姓名: " << result["words_result"]["姓名"]["words"].asString() << endl;
+    cout << "出生日期: " << result["words_result"]["出生日期"]["words"].asString() << endl;
+    cout << "证号: " << result["words_result"]["证号"]["words"].asString() << endl;
+    cout << "住址: " << result["words_result"]["住址"]["words"].asString() << endl;
+    cout << "发证单位: " << result["words_result"]["发证单位"]["words"].asString() << endl;
+    cout << "初次领证日期: " << result["words_result"]["初次领证日期"]["words"].asString() << endl;
+    cout << "国籍: " << result["words_result"]["国籍"]["words"].asString() << endl;
+    cout << "准驾车型: " << result["words_result"]["准驾车型"]["words"].asString() << endl;
+    cout << "性别: " << result["words_result"]["性别"]["words"].asString() << endl;
+    cout << "有效期限: " << result["words_result"]["有效期限"]["words"].asString() << " 至 " << result["words_result"]["至"]["words"].asString() << endl;
+
+    return 0;
+}

day13/documentRecognition/idCard.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+#include "ocr.h" // 用于调用接口
+
+using namespace std;
+
+int main(int argc, char const *argv[])
+{
+    if (argc < 2)
+    {
+        cout << "用法: " << argv[0] << " 身份证照片" << endl;
+        return -1;
+    }
+
+    string app_id = "35475147";                             // 你的 App ID
+    string api_key = "CSneGCoRs8zMD1F1PPnXyzPP";            // 你的 Api Key
+    string secret_key = "wlKjVS2lE9xPFVV7G5EI3gYm7Zk3tnu1"; // 你的 Secret Key
+
+    aip::Ocr client(app_id, api_key, secret_key); // 新建一个对象, 用于调用接口, 调用通用文字识别, 图片参数为本地图片
+    // cout << "ok" << endl;
+
+    // 定义 json 格式的数据类型 Value, result 是 json 类型的 Value 类实例, 用于存储返回的结果
+    Json::Value result;
+    string image;
+
+    // 加载本地的身份证图片内容到 image 对象中, 用于调用身份证识别
+    aip::get_file_content(argv[1], &image);
+
+    // 客户端发送图片内容到百度服务器, 并返回结果到 result 对象中
+    result = client.idcard(image, "front", aip::null); // front: 正面, back: 背面
+
+    cout << "识别到的身份证信息如下: " << endl;
+    cout << "姓名: " << result["words_result"]["姓名"]["words"].asString() << endl;
+    cout << "性别: " << result["words_result"]["性别"]["words"].asString() << endl;
+    cout << "民族: " << result["words_result"]["民族"]["words"].asString() << endl;
+    cout << "出生: " << result["words_result"]["出生"]["words"].asString() << endl;
+    cout << "住址: " << result["words_result"]["住址"]["words"].asString() << endl;
+    cout << "公民身份号码: " << result["words_result"]["公民身份号码"]["words"].asString() << endl;
+    // cout << "-------------------------" << endl;
+    // cout << result << endl;
+
+    return 0;
+}

day14/Qt-LPR/Makefile

@@ -0,0 +1,17 @@
+cc = g++
+cflags = -Wall -lssl -lcrypto -lcurl -ljsoncpp
+cflags += -I/home/flykhan/.tools/openssl_build/include/
+cflags += -I/home/flykhan/.tools/curl/include/
+cflags += -I/home/flykhan/.tools/jsoncpp-Sandbox/jsoncpp-build/include/
+cflags += -L/home/flykhan/.tools/openssl_build/lib/
+cflags += -L/home/flykhan/.tools/curl/lib/
+cflags += -L/home/flykhan/.tools/jsoncpp-Sandbox/jsoncpp-build/lib/
+
+main:
+	$(cc) main.cpp -o main $(cflags) -std=c++14
+
+jsonTypeShow:
+	$(cc) jsonTypeShow.cpp -o jsonTypeShow $(cflags) -std=c++14
+
+clean:
+	rm *.o main jsonTypeShow -rf

day14/Qt-LPR/base/base.h

@@ -0,0 +1,264 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_BASE_H__
+#define __AIP_BASE_H__
+
+#include <memory>
+#include <cstring>
+#include "http.h"
+#include "json/json.h"
+#include "base64.h"
+#include "curl/curl.h"
+#include "utils.h"
+
+namespace aip {
+    
+    static const char* AIP_SDK_VERSION = "0.3.3";
+    static const char* CURL_ERROR_CODE = "curl_error_code";
+    static const std::string ACCESS_TOKEN_URL = "https://aip.baidubce.com/oauth/2.0/token";
+    static const std::map<std::string, std::string> null;
+    
+    class AipBase
+    {
+    private:
+        std::string _app_id;
+        int _expired_time;
+        bool _is_bce;
+        bool _has_decide_type;
+        std::string _scope;
+        
+    protected:
+        std::string getAccessToken()
+        {
+            time_t now = time(NULL);
+            if (!access_token.empty())
+            {
+                return this->access_token;
+            }
+            
+            if (now < this->_expired_time - 60 * 60 * 24)
+            {
+                return this->access_token;
+            }
+            
+            std::string response;
+            std::map<std::string, std::string> params;
+            
+            params["grant_type"] = "client_credentials";
+            params["client_id"] = this->ak;
+            params["client_secret"] = this->sk;
+            int status_code = this->client.get(
+                                               ACCESS_TOKEN_URL,
+                                               &params,
+                                               nullptr,
+                                               &response
+                                               );
+            Json::Value obj;
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj.toStyledString();
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            this->access_token = obj["access_token"].asString();
+            this->_expired_time = obj["expires_in"].asInt() + (int) now;
+            this->_scope = obj["scope"].asString();
+            return this->access_token;
+        }
+        
+    public:
+        std::string ak;
+        std::string sk;
+        HttpClient client;
+        Json::CharReaderBuilder crbuilder;
+        std::string access_token;
+        AipBase(const std::string & app_id, const std::string & ak, const std::string & sk):
+        _app_id(app_id),
+        _is_bce(false),
+        _has_decide_type(false),
+        ak(ak),
+        sk(sk)
+        {
+            if (_app_id == "")
+            {
+            }
+        }
+        
+        void setConnectionTimeoutInMillis(int connect_timeout)
+        {
+            this->client.setConnectTimeout(connect_timeout);
+        }
+        
+        void setSocketTimeoutInMillis(int socket_timeout)
+        {
+            this->client.setSocketTimeout(socket_timeout);
+        }
+        
+        void setDebug(bool debug)
+        {
+            this->client.setDebug(debug);
+        }
+        
+        std::string getAk() {
+            return ak;
+        }
+        
+        Json::Value request(
+                            std::string url,
+                            std::map<std::string, std::string> const & params,
+                            std::string const & data,
+                            std::map<std::string, std::string> const & headers)
+        {
+            std::string response;
+            Json::Value obj;
+            std::string body;
+            auto headers_for_sign = headers;
+            
+            auto temp_params = params;
+            
+            temp_params["charset"] = "UTF-8";
+            
+            this->prepare_request(url, temp_params, headers_for_sign);
+            
+            int status_code = this->client.post(url, &temp_params, data, &headers_for_sign, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }
+        
+        Json::Value request(
+                            std::string url,
+                            std::map<std::string, std::string> const & params,
+                            std::map<std::string, std::string> const & data,
+                            std::map<std::string, std::string> const & headers)
+        {
+            std::string response;
+            Json::Value obj;
+            
+            auto headers_for_sign = headers;
+            auto temp_params = params;
+            
+            this->prepare_request(url, temp_params, headers_for_sign);
+            
+            int status_code = this->client.post(url, &temp_params, data, &headers_for_sign, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }
+        
+        void prepare_request(std::string url,
+                             std::map<std::string, std::string> & params,
+                             std::map<std::string, std::string> & headers)
+        {
+            
+            params["aipSdk"] = "C";
+            params["aipSdkVersion"] = AIP_SDK_VERSION;
+            
+            if (_has_decide_type) {
+                if (_is_bce) {
+                    std::string method = "POST";
+                    sign(method, url, params, headers, ak, sk);
+                } else {
+                    params["access_token"] = this->getAccessToken();
+                }
+                
+                return;
+            }
+            
+            if (getAccessToken() == "") {
+                _is_bce = true;
+                
+            } else {
+                
+                const char * t = std::strstr(this->_scope.c_str(), "brain_all_scope");
+                
+                if (t == NULL)
+                {
+                    _is_bce = true;
+                }
+            }
+            
+            _has_decide_type = true;
+            prepare_request(url, params, headers);
+        }
+     
+
+       Json::Value requestjson(
+                            std::string url,
+                            Json::Value & data,
+                            std::map<std::string, std::string> & params,
+                            std::map<std::string, std::string> const & headers)
+        {
+    
+            std::string response;
+            Json::Value obj;
+            auto headers_for_sign = headers;
+            auto temp_params = params;
+            this->prepare_request(url, temp_params, headers_for_sign);
+            int status_code = this->client.post(url, nullptr, data, nullptr, &response);
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[aip::CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+
+            return obj;
+        }
+
+       Json::Value request_com(
+                                  std::string const & url,
+                                  Json::Value & data)
+        {
+            std::string response;
+            Json::Value obj;
+            int status_code = this->client.post(url, nullptr, data, nullptr, &response);
+            
+            if (status_code != CURLcode::CURLE_OK) {
+                obj[aip::CURL_ERROR_CODE] = status_code;
+                return obj;
+            }
+            std::string error;
+            std::unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());
+            reader->parse(response.data(), response.data() + response.size(), &obj, &error);
+            
+            return obj;
+        }        
+        
+  
+    };
+    
+}
+#endif

day14/Qt-LPR/base/base64.h

@@ -0,0 +1,130 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_BASE64_H__
+#define __AIP_BASE64_H__
+
+#include <iostream>
+#include <string>
+
+namespace aip {
+    
+    static const std::string base64_chars =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+    "abcdefghijklmnopqrstuvwxyz"
+    "0123456789+/";
+    
+    
+    static inline bool is_base64(const char c)
+    {
+        return (isalnum(c) || (c == '+') || (c == '/'));
+    }
+    
+    std::string base64_encode(const char * bytes_to_encode, unsigned int in_len)
+    {
+        std::string ret;
+        int i = 0;
+        int j = 0;
+        unsigned char char_array_3[3];
+        unsigned char char_array_4[4];
+        
+        while (in_len--)
+        {
+            char_array_3[i++] = *(bytes_to_encode++);
+            if(i == 3)
+            {
+                char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+                char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+                char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+                char_array_4[3] = char_array_3[2] & 0x3f;
+                
+                for(i = 0; (i <4) ; i++)
+                {
+                    ret += base64_chars[char_array_4[i]];
+                }
+                i = 0;
+            }
+        }
+        
+        if(i)
+        {
+            for(j = i; j < 3; j++)
+            {
+                char_array_3[j] = '\0';
+            }
+            
+            char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+            char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+            char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+            char_array_4[3] = char_array_3[2] & 0x3f;
+            
+            for(j = 0; (j < i + 1); j++)
+            {
+                ret += base64_chars[char_array_4[j]];
+            }
+            
+            while((i++ < 3))
+            {
+                ret += '=';
+            }
+            
+        }
+        
+        return ret;
+    }
+    
+    std::string base64_decode(std::string const & encoded_string)
+    {
+        int in_len = (int) encoded_string.size();
+        int i = 0;
+        int j = 0;
+        int in_ = 0;
+        unsigned char char_array_4[4], char_array_3[3];
+        std::string ret;
+        
+        while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
+            char_array_4[i++] = encoded_string[in_]; in_++;
+            if (i ==4) {
+                for (i = 0; i <4; i++)
+                    char_array_4[i] = base64_chars.find(char_array_4[i]);
+                
+                char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+                char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
+                char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
+                
+                for (i = 0; (i < 3); i++)
+                    ret += char_array_3[i];
+                i = 0;
+            }
+        }
+        
+        if (i) {
+            for (j = i; j <4; j++)
+                char_array_4[j] = 0;
+            
+            for (j = 0; j <4; j++)
+                char_array_4[j] = base64_chars.find(char_array_4[j]);
+            
+            char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+            char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);  
+            char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];  
+            
+            for (j = 0; (j < i - 1); j++) ret += char_array_3[j];  
+        }  
+        
+        return ret;  
+    }
+    
+}
+#endif

day14/Qt-LPR/base/http.h

@@ -0,0 +1,234 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_HTTP_H__
+#define __AIP_HTTP_H__
+
+#include "curl/curl.h"
+
+#include <sstream>
+#include <string>
+#include <map>
+#include <json/json.h>
+
+namespace aip {
+    
+    inline size_t onWriteData(void * buffer, size_t size, size_t nmemb, void * userp)
+    {
+        std::string * str = dynamic_cast<std::string *>((std::string *)userp);
+        str->append((char *)buffer, size * nmemb);
+        return nmemb;
+    }
+    
+    class HttpClient
+    {
+    private:
+        bool debug = false;
+        int connect_timeout = 10000;
+        int socket_timeout = 10000;
+        
+        void makeUrlencodedForm(std::map<std::string, std::string> const & params, std::string * content) const
+        {
+            content->clear();
+            std::map<std::string, std::string>::const_iterator it;
+            for(it=params.begin(); it!=params.end(); it++)
+            {
+                char * key = curl_escape(it->first.c_str(), (int) it->first.size());
+                char * value = curl_escape(it->second.c_str(),(int) it->second.size());
+                *content += key;
+                *content += '=';
+                *content += value;
+                *content += '&';
+                curl_free(key);
+                curl_free(value);
+            }
+        }
+        
+        void appendUrlParams(std::map<std::string, std::string> const & params, std::string* url) const
+        {
+            if(params.empty()) {
+                return;
+            }
+            std::string content;
+            this->makeUrlencodedForm(params, &content);
+            bool url_has_param = false;
+            for (const auto& ch : *url) {
+                if (ch == '?') {
+                    url_has_param = true;
+                    break;
+                }
+            }
+            if (url_has_param) {
+                url->append("&");
+            } else {
+                url->append("?");
+            }
+            url->append(content);
+        }
+        
+        void appendHeaders(std::map<std::string, std::string> const & headers, curl_slist ** slist) const
+        {
+            std::ostringstream ostr;
+            std::map<std::string, std::string>::const_iterator it;
+            for(it=headers.begin(); it!=headers.end(); it++)
+            {
+                ostr << it->first << ":" << it->second;
+                *slist = curl_slist_append(*slist, ostr.str().c_str());
+                ostr.str("");
+            }
+        }
+        
+    public:
+        HttpClient() = default;
+        
+        HttpClient(const HttpClient &) = delete;
+        HttpClient & operator=(const HttpClient &) = delete;
+        
+        void setConnectTimeout(int connect_timeout)
+        {
+            this->connect_timeout = connect_timeout;
+        }
+        
+        void setSocketTimeout(int socket_timeout)
+        {
+            this->socket_timeout = socket_timeout;
+        }
+        
+        void setDebug(bool debug)
+        {
+            this->debug = debug;
+        }
+        
+        int get(
+                std::string url,
+                std::map<std::string, std::string> const * params,
+                std::map<std::string, std::string> const * headers,
+                std::string * response) const
+        {
+            CURL * curl = curl_easy_init();
+            struct curl_slist * slist = NULL;
+            if (headers) {
+                this->appendHeaders(*headers, &slist);
+            }
+            if (params) {
+                this->appendUrlParams(*params, &url);
+            }
+            
+            curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, onWriteData);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) response);
+            curl_easy_setopt(curl, CURLOPT_NOSIGNAL, true);
+            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, this->connect_timeout);
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, this->socket_timeout);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, this->debug);
+            
+            int status_code = curl_easy_perform(curl);
+            
+            curl_easy_cleanup(curl);
+            curl_slist_free_all(slist);
+            
+            return status_code;
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 const std::string & body,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            struct curl_slist * slist = NULL;
+            CURL * curl = curl_easy_init();
+            if (headers) {
+                this->appendHeaders(*headers, &slist);
+            }
+            if (params) {
+                this->appendUrlParams(*params, &url);
+            }
+            
+            curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
+            curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+            curl_easy_setopt(curl, CURLOPT_POST, true);
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDS, body.c_str());
+            curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, body.size());
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, onWriteData);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *) response);
+            curl_easy_setopt(curl, CURLOPT_NOSIGNAL, true);
+            curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT_MS, this->connect_timeout);
+            curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, this->socket_timeout);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, false);
+            curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, false);
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, this->debug);
+            
+            int status_code = curl_easy_perform(curl);
+            
+            curl_easy_cleanup(curl);
+            curl_slist_free_all(slist);
+            
+            return status_code;
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 std::map<std::string, std::string> const & data,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            
+            std::string body;
+            this->makeUrlencodedForm(data, &body);
+            return this->post(std::move(url), params, body, headers, response);
+        }
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 Json::Value const & data,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            std::string body;
+            Json::StreamWriterBuilder swb;
+            std::unique_ptr<Json::StreamWriter> writer(swb.newStreamWriter());
+            std::ostringstream os;
+            writer->write(data, &os);
+            body = os.str();
+            std::map<std::string, std::string> temp_headers;
+            if (headers) {
+                std::map<std::string, std::string> temp_headers(*headers);
+            }
+            
+            temp_headers["Content-Type"] = "application/json";
+            return this->post(url.c_str(), params, body, &temp_headers, response);
+        }
+        
+        
+        int post(
+                 std::string url,
+                 std::map<std::string, std::string> const * params,
+                 std::map<std::string, std::string> const * headers,
+                 std::string * response) const
+        {
+            const static std::string EMPTY_STRING;
+            return this->post(std::move(url), params, EMPTY_STRING, headers, response);
+        }
+    };
+    
+}
+
+#endif

day14/Qt-LPR/base/utils.h

@@ -0,0 +1,283 @@
+/**
+ * Copyright (c) 2017 Baidu.com, Inc. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ *
+ * @author baidu aip
+ */
+#ifndef __AIP_UTILS_H__
+#define __AIP_UTILS_H__
+
+#include <string>
+#include <fstream>
+#include <ctype.h>
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <algorithm>
+#include <openssl/md5.h>
+
+const int __BCE_VERSION__ = 1;
+const int __BCE_EXPIRE__ = 1800;
+
+namespace aip {
+    
+    template<class CharT, class Traits, class Allocator>
+    std::basic_istream<CharT, Traits>& getall(std::basic_istream<CharT, Traits>& input,
+                                              std::basic_string<CharT, Traits, Allocator>& str) {
+        std::ostringstream oss;
+        oss << input.rdbuf();
+        str.assign(oss.str());
+        return input;
+    }
+    
+    inline int get_file_content(const char *filename, std::string* out) {
+        std::ifstream in(filename, std::ios::in | std::ios::binary);
+        if (in) {
+            getall(in, *out);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    
+    inline std::string to_upper(std::string src)
+    {
+        std::transform(src.begin(), src.end(), src.begin(), toupper);
+        return src;
+    }
+    
+    
+    inline std::string to_lower(std::string src)
+    {
+        std::transform(src.begin(), src.end(), src.begin(), tolower);
+        return src;
+    }
+    
+    inline std::string to_hex(unsigned char c, bool lower = false)
+    {
+        const std::string hex = "0123456789ABCDEF";
+        
+        std::stringstream ss;
+        ss << hex[c >> 4] << hex[c & 0xf];
+        
+        return lower ? to_lower(ss.str()) : ss.str();
+    }
+    
+    inline time_t now()
+    {
+        return time(NULL);
+    }
+    
+    std::string utc_time(time_t timestamp)
+    {
+        struct tm result_tm;
+        char buffer[32];
+        
+#ifdef _WIN32
+        gmtime_s(&result_tm, &timestamp);
+#else
+        gmtime_r(&timestamp, &result_tm);
+#endif
+        
+        size_t size = strftime(buffer, 32, "%Y-%m-%dT%H:%M:%SZ", &result_tm);
+        
+        return std::string(buffer, size);
+    }
+    
+    void url_parse(
+                   const std::string & url,
+                   std::map<std::string, std::string> & params)
+    {
+        int pos = (int)url.find("?");
+        if (pos != -1)
+        {
+            int key_start = pos + 1,
+            key_len = 0,
+            val_start = 0;
+            for (int i = key_start; i <= (int)url.size(); ++i)
+            {
+                switch (url[i])
+                {
+                    case '=':
+                        key_len = i - key_start;
+                        val_start = i + 1;
+                        break;
+                    case '\0':
+                    case '&':
+                        if (key_len != 0)
+                        {
+                            params[url.substr(key_start, key_len)] = url.substr(val_start, i - val_start);
+                            key_start = i + 1;
+                            key_len = 0;
+                        }
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+    }
+    
+    std::string url_encode(const std::string & input, bool encode_slash=true)
+    {
+        std::stringstream ss;
+        const char *str = input.c_str();
+        
+        for (uint32_t i = 0; i < input.size(); i++)
+        {
+            unsigned char c = str[i];
+            if (isalnum(c) || c == '_' || c == '-' || c == '~' || c == '.' || (!encode_slash && c == '/'))
+            {
+                ss << c;
+            }
+            else
+            {
+                ss << "%" << to_hex(c);
+            }
+        }
+        
+        return ss.str();
+    }
+    
+    std::string canonicalize_params(std::map<std::string, std::string> & params)
+    {
+        std::vector<std::string> v;
+        v.reserve(params.size());
+        
+        for (auto & it : params) {
+            v.push_back(url_encode(it.first) + "=" + url_encode(it.second));
+        }
+        std::sort(v.begin(), v.end());
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : "&") + it);
+        }
+        return result;
+    }
+    
+    std::string canonicalize_headers(std::map<std::string, std::string> & headers)
+    {
+        std::vector<std::string> v;
+        v.reserve(headers.size());
+        
+        for (auto & it : headers) {
+            v.push_back(url_encode(to_lower(it.first)) + ":" + url_encode(it.second));
+        }
+        std::sort(v.begin(), v.end());
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : "\n") + it);
+        }
+        return result;
+    }
+    
+    std::string get_headers_keys(std::map<std::string, std::string> & headers)
+    {
+        std::vector<std::string> v;
+        v.reserve(headers.size());
+        
+        for (auto & it : headers) {
+            v.push_back(to_lower(it.first));
+        }
+        
+        std::string result;
+        for (auto & it : v)
+        {
+            result.append((result.empty() ? "" : ";") + it);
+        }
+        return result;
+    }
+    
+    std::string get_host(const std::string & url)
+    {
+        int pos = (int)url.find("://") + 3;
+        return url.substr(
+                          pos,
+                          url.find('/', pos) - pos
+                          );
+    }
+    
+    
+    std::string get_path(const std::string & url)
+    {
+        int path_start = (int)url.find('/', url.find("://") + 3);
+        int path_end = (int)url.find('?');
+        path_end = path_end == -1 ? (int)url.size() : path_end;
+        
+        return url.substr(path_start, path_end - path_start);
+    }
+    
+    std::string hmac_sha256(
+                            const std::string & src,
+                            const std::string & sk)
+    {
+        const EVP_MD *evp_md = EVP_sha256();
+        unsigned char md[EVP_MAX_MD_SIZE];
+        unsigned int md_len = 0;
+        
+        if (HMAC(evp_md,
+                 reinterpret_cast<const unsigned char *>(sk.data()), (int)sk.size(),
+                 reinterpret_cast<const unsigned char *>(src.data()), src.size(),
+                 md, &md_len) == NULL)
+        {
+            return "";
+        }
+        
+        std::stringstream ss;
+        for (int i = 0; i < (int)md_len; ++i)
+        {
+            ss << to_hex(md[i], true);
+        }
+        
+        return ss.str();
+    }
+    
+    void sign(
+              std::string method,
+              std::string & url,
+              std::map<std::string, std::string> & params,
+              std::map<std::string, std::string> & headers,
+              std::string & ak,
+              std::string & sk)
+    {
+        url_parse(url, params);
+        headers["Host"] = get_host(url);
+        std::string timestamp = utc_time(now());
+        headers["x-bce-date"] = timestamp;
+        
+        std::stringstream ss;
+        ss << "bce-auth-v" << __BCE_VERSION__ << "/" << ak << "/"
+        << timestamp  << "/" << __BCE_EXPIRE__;
+        
+        std::string val = ss.str();
+        std::string sign_key = hmac_sha256(val, sk);
+        
+        ss.str("");
+        ss << to_upper(method) << '\n' << url_encode(get_path(url), false)
+        << '\n' << canonicalize_params(params)
+        << '\n' << canonicalize_headers(headers);
+        
+        std::string signature = hmac_sha256(ss.str(), sign_key);
+        
+        ss.str("");
+        ss << "bce-auth-v" << __BCE_VERSION__ << "/" << ak << "/"
+        << timestamp  << "/" << __BCE_EXPIRE__ << "/"
+        << get_headers_keys(headers) << "/" << signature;
+        
+        headers["authorization"] = ss.str();
+    }
+    
+}
+
+#endif

day14/Qt-LPR/jsonTypeShow.cpp

@@ -0,0 +1,77 @@
+#include <iostream>
+#include "ocr.h"   // 用于调用接口
+#include <string>  // 用于 string 的操作
+#include <codecvt> // 用于转码
+
+using namespace std;
+
+const static string request_url = "https://aip.baidubce.com/rest/2.0/ocr/v1/license_plate";
+static string result;
+
+int lincesePlate(string &token, const char *image_path);
+int callback(char *, size_t, size_t, void *);
+
+int main(int argc, char const *argv[]) // argc: 参数个数, argv: 参数列表
+{
+
+    if (argc < 2)
+    {
+        cout << "用法: " << argv[0] << " 车牌图片路径" << endl;
+        return 1; // 返回 1 表示失败
+    }
+
+    string token = "24.1509bd6033f9988f4e0f289b625dc0c8.2592000.1690601100.282335-35458273";
+    lincesePlate(token, argv[1]);
+
+    return 0;
+}
+
+int lincesePlate(string &token, const char *image_path)
+{
+    // HTTP 请求的完整 URL 路径
+    string url = request_url + "?access_token=" + token;
+    CURL *curl;              // 定义一个指向CURL类型的指针
+    CURLcode code;           // 定义一个CURLcode类型的变量, 用于接收返回状态码
+    curl = curl_easy_init(); // 初始化一个CURL类型的指针
+
+    if (curl)
+    {
+        // 设置请求的 URL 地址
+        curl_easy_setopt(curl, CURLOPT_URL, url.data()); // url.data() 等于 url.c_str(), 返回一个指向正规 C 字符串的指针常量, 即返回一个指向以空字符终止的字符数组的指针
+        curl_easy_setopt(curl, CURLOPT_POST, 1);         // 设置为非 0, 表示本次操作为 POST
+
+        string image;
+        aip::get_file_content(image_path, &image);                             // 读取图片文件
+        string img_base64 = aip::base64_encode(image.c_str(), image.length()); // 将图片文件转为 base64 编码, image.c_str(): 返回指向正规 C 字符串的指针常量, 即返回一个指向以空字符终止的字符数组的指针, image.length(): 返回字符串的长度
+
+        curl_httppost *post, *last; // *post: 指向第一个元素的指针, *last: 指向最后一个元素的指针
+        // 以表单的方式上传 image 字段的数据
+        curl_formadd(&post, &last, CURLFORM_COPYNAME, "image", CURLFORM_COPYCONTENTS, img_base64.data(), CURLFORM_END); // 参数说明: &post: 指向第一个元素的指针, &last: 指向最后一个元素的指针, CURLFORM_COPYNAME: 指定表单的字段名, CURLFORM_COPYCONTENTS: 指定表单字段的值, CURLFORM_END: 用于结束整个表单
+        curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);                                                                 // 设置表单字段和值
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, callback);                                                        // 设置回调函数
+
+        code = curl_easy_perform(curl); // 执行请求, 该函数完成后, 错误码将会写入 code 变量
+        cout << code << endl;           // 打印结果
+        curl_easy_cleanup(curl);        // 清除 curl 操作, 即结束本次请求
+
+        return 0; // 返回 0 表示成功
+    }
+
+    fprintf(stderr, "curl init failed!\n"); // 如果返回非 0, 则表示失败
+    return 1;                               // 返回 1 表示失败
+}
+
+int callback(char *buffer, size_t size, size_t nitems, void *outstream)
+{
+    result = string(buffer, size * nitems); // 将 buffer 中的数据拷贝到 result 中
+
+    // 将 result 数据转化为 json 格式
+    Json::Reader json_type_result;                                                              // 定义一个 json 格式的变量
+    string error;                                                                               // 定义一个 string 类型的变量, 用于接收错误信息
+    Json::CharReaderBuilder crbuilder;                                                          // CharReaderBuilder 类提供了一个简单的 API 来从字符流读取 JSON 文档
+    unique_ptr<Json::CharReader> reader(crbuilder.newCharReader());                             // unique_ptr: 一个独占的指针, 用于管理另一个对象的生命周期, 该对象使用 delete 销毁
+    reader->parse(result.c_str(), result.c_str() + result.length(), &json_type_result, &error); // 将 result 转化为 json 格式
+
+    cout << result << endl; // 打印结果
+    return 0;
+}

day14/Qt-LPR/main.cpp

@@ -0,0 +1,69 @@
+#include <iostream>
+#include "ocr.h"   // 用于调用接口
+#include <string>  // 用于 string 的操作
+#include <codecvt> // 用于转码
+
+using namespace std;
+
+const static string request_url = "https://aip.baidubce.com/rest/2.0/ocr/v1/license_plate";
+static string result;
+
+int lincesePlate(string &token, const char *image_path);
+int callback(char *, size_t, size_t, void *);
+
+int main(int argc, char const *argv[]) // argc: 参数个数, argv: 参数列表
+{
+
+    if (argc < 2)
+    {
+        cout << "用法: " << argv[0] << " 车牌图片路径" << endl;
+        return 1; // 返回 1 表示失败
+    }
+
+    string token = "24.1509bd6033f9988f4e0f289b625dc0c8.2592000.1690601100.282335-35458273";
+    lincesePlate(token, argv[1]);
+
+    return 0;
+}
+
+int lincesePlate(string &token, const char *image_path)
+{
+    // HTTP 请求的完整 URL 路径
+    string url = request_url + "?access_token=" + token;
+    CURL *curl;              // 定义一个指向CURL类型的指针
+    CURLcode code;           // 定义一个CURLcode类型的变量, 用于接收返回状态码
+    curl = curl_easy_init(); // 初始化一个CURL类型的指针
+
+    if (curl)
+    {
+        // 设置请求的 URL 地址
+        curl_easy_setopt(curl, CURLOPT_URL, url.data()); // url.data() 等于 url.c_str(), 返回一个指向正规 C 字符串的指针常量, 即返回一个指向以空字符终止的字符数组的指针
+        curl_easy_setopt(curl, CURLOPT_POST, 1);         // 设置为非 0, 表示本次操作为 POST
+
+        string image;
+        aip::get_file_content(image_path, &image);                             // 读取图片文件
+        string img_base64 = aip::base64_encode(image.c_str(), image.length()); // 将图片文件转为 base64 编码, image.c_str(): 返回指向正规 C 字符串的指针常量, 即返回一个指向以空字符终止的字符数组的指针, image.length(): 返回字符串的长度
+
+        curl_httppost *post, *last; // *post: 指向第一个元素的指针, *last: 指向最后一个元素的指针
+        // 以表单的方式上传 image 字段的数据
+        curl_formadd(&post, &last, CURLFORM_COPYNAME, "image", CURLFORM_COPYCONTENTS, img_base64.data(), CURLFORM_END); // 参数说明: &post: 指向第一个元素的指针, &last: 指向最后一个元素的指针, CURLFORM_COPYNAME: 指定表单的字段名, CURLFORM_COPYCONTENTS: 指定表单字段的值, CURLFORM_END: 用于结束整个表单
+        curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);                                                                 // 设置表单字段和值
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, callback);                                                        // 设置回调函数
+
+        code = curl_easy_perform(curl); // 执行请求, 该函数完成后, 错误码将会写入 code 变量
+        cout << code << endl;           // 打印结果
+        curl_easy_cleanup(curl);        // 清除 curl 操作, 即结束本次请求
+
+        return 0; // 返回 0 表示成功
+    }
+
+    fprintf(stderr, "curl init failed!\n"); // 如果返回非 0, 则表示失败
+    return 1;                               // 返回 1 表示失败
+}
+
+int callback(char *buffer, size_t size, size_t nitems, void *outstream)
+{
+    result = string(buffer, size * nitems); // 将 buffer 中的数据拷贝到 result 中
+    cout << result << endl;                 // 打印结果
+    return 0;
+}

day9/homework/ h6.cpp

@@ -0,0 +1,30 @@
+// 编写一个函数，用于判断一个整数是否为质数，并返回结果。
+#include <iostream>
+
+using namespace std;
+
+bool isPrime(int n)
+{
+    if (n <= 1)
+        return false;
+    int i = 2;
+    while (i * i <= n)
+    {
+        if (n % i == 0)
+            return false; // 不是质数
+        i++;
+    }
+    return true; // 是质数
+}
+
+int main()
+{
+    int n;
+    cout << "请输入一个整数：";
+    cin >> n;
+    if (isPrime(n))
+        cout << n << " 是质数" << endl;
+    else
+        cout << n << " 不是质数" << endl;
+    return 0;
+}

day9/homework/h1.cpp

@@ -0,0 +1,18 @@
+// 编写一个函数，用于计算两个整数的和，并返回结果。
+#include <iostream>
+
+using namespace std;
+int sum(int a, int b)
+{
+    return a + b;
+}
+
+int main()
+{
+    int a, b;
+    cout << "请输入两个整数：";
+    cin >> a >> b;
+    cout << "两个整数的和为：" << sum(a, b) << endl;
+
+    return 0;
+}

day9/homework/h10.cpp

@@ -0,0 +1,69 @@
+// 编写一个函数，用于计算一个整数的二进制表示中1的个数及0的个数，并返回结果。
+#include <iostream>
+#include <bitset>
+
+using namespace std;
+
+// 1 的个数
+int countOne(int n)
+{
+
+    int cnt = 0;
+    int temp = 0;
+    for (int i = 0; temp < n; i++)
+    {
+        temp = 1 << i;
+        if ((n & temp) == temp)
+            cnt++;
+    }
+
+    return cnt;
+}
+
+// 0 的个数
+int countZero(int n)
+{
+    int cnt = 0;
+    int temp = 0;
+    for (int i = 0; temp < n; i++)
+    {
+        temp = 1 << i;
+        if ((n | ~temp) == ~temp)
+            cnt++;
+    }
+
+    if (temp > n)
+        return cnt - 1;
+    return cnt;
+}
+
+// 逆向打印函数
+void print(int n)
+{
+    int temp = 0;
+    for (int i = 0; temp < n; i++)
+    {
+        temp = 1 << i;
+        if ((n & temp) == temp)
+            cout << "1"
+                 << " ";
+        if ((n | ~temp) == ~temp)
+            cout << "0"
+                 << " ";
+    }
+    cout << endl;
+}
+
+int main()
+{
+    int x;
+    cout << "请输入一个整数: ";
+    cin >> x;
+    cout << x << " 的二进制表示为: " << bitset<12>(x) << endl;
+    cout << x << " 的我的二进制表示为: " << endl;
+    print(x);
+    cout << x << " 的二进制表示中 1 的个数为: " << countOne(x) << endl;
+    cout << x << " 的二进制表示中 0 的个数为: " << countZero(x) << endl;
+
+    return 0;
+}

day9/homework/h2.cpp

@@ -0,0 +1,34 @@
+// 编写一个函数，用于计算一个整数数组中所有元素的和，并返回结果。
+#include <iostream>
+
+using namespace std;
+
+// int mySize(int arr[])
+// {
+//     int size = 0;
+//     while (arr[size] && ++size)
+//         ;
+//     return size;
+// }
+
+int sum(int arr[], int size)
+{
+    int sum = 0;
+    while (--size >= 0)
+    {
+        sum += arr[size];
+    }
+
+    return sum;
+}
+
+int main()
+{
+    int arr[] = {1, 2, 3, 4, 5, 6};
+    // int size = mySize(arr);
+    int size = sizeof(arr) / sizeof(arr[0]);
+    cout << "数组的长度为：" << size << endl;
+    cout << "数组的和为：" << sum(arr, size) << endl;
+
+    return 0;
+}

day9/homework/h3.cpp

@@ -0,0 +1,24 @@
+// 编写一个函数，用于计算一个整数数组中所有元素的平均值，并返回结果。
+#include <iostream>
+
+using namespace std;
+
+double average(int arr[], int size)
+{
+    int sum = 0;
+    int size_copy = size;
+    while (--size >= 0)
+    {
+        sum += arr[size];
+    }
+
+    return sum / (double)size_copy;
+}
+
+int main()
+{
+    int arr[] = {1, 2, 3, 4, 5, 6};
+    int size = sizeof(arr) / sizeof(arr[0]);
+    cout << "数组的平均值为：" << average(arr, size) << endl;
+    return 0;
+}

day9/homework/h4.cpp

@@ -0,0 +1,36 @@
+// 编写一个函数，用于将一个整数数组按照从小到大的顺序进行排序。
+#include <iostream>
+
+using namespace std;
+
+void sort(int arr[], int size)
+{
+    for (int i = 0; i < size; i++)
+    {
+        // 等同于 for (int j = 0; j < size - i - 1; j++) 但是效率更高
+        // 为什么效率更高？因为每次循环都会将最大的数放到最后，所以每次循环都可以少比较一次
+        for (int j = i + 1; j < size; j++)
+        {
+            if (arr[i] > arr[j])
+            {
+                arr[i] = arr[i] ^ arr[j];
+                arr[j] = arr[i] ^ arr[j];
+                arr[i] = arr[i] ^ arr[j];
+            }
+        }
+    }
+}
+
+int main()
+{
+    int arr[] = {1, 3, 2, 5, 4, 6};
+    int size = sizeof(arr) / sizeof(arr[0]);
+    sort(arr, size);
+    cout << "排序后的数组为：";
+    for (int i = 0; i < size; i++)
+    {
+        cout << arr[i] << " ";
+    }
+    cout << endl;
+    return 0;
+}

day9/homework/h5.cpp

@@ -0,0 +1,29 @@
+// 编写一个函数，用于将一个字符串中的所有小写字母转换为大写字母，并返回结果。
+#include <iostream>
+
+using namespace std;
+
+void toUpper(char str[], int size)
+{
+    for (int i = 0; i < size; i++)
+    {
+        // if (str[i] >= 'a' && str[i] <= 'z')
+        //     str[i] -= 32;
+
+        // 位运算实现
+        if (str[i] >= 'a' && str[i] <= 'z')
+            str[i] &= ~32; // 原理, 32 = 0010 0000, ~32 = 1101 1111, 与运算后, 小写字母的第6位变为0, 即变为大写字母
+
+        // 三目运算符
+        // str[i] = (str[i] > 'a' && str[i] < 'z') ? str[i] - 32 : str[i];
+    }
+}
+
+int main()
+{
+    char str[] = "abcdeFG";
+    int size = sizeof(str) / sizeof(str[0]);
+    toUpper(str, size);
+    cout << "转换后的字符串为：" << str << endl;
+    return 0;
+}

day9/homework/h7.cpp

@@ -0,0 +1,24 @@
+// 编写一个函数，用于计算一个整数的阶乘，并返回结果。
+#include <iostream>
+
+using namespace std;
+
+int factorial(int n)
+{
+    int result = 1;
+    while (n)
+    {
+        result *= n;
+        n--;
+    }
+    return result;
+}
+
+int main()
+{
+    int n;
+    cout << "请输入一个整数：";
+    cin >> n;
+    cout << n << "! = " << factorial(n) << endl;
+    return 0;
+}

day9/homework/h8.cpp

@@ -0,0 +1,37 @@
+// 编写一个函数，用于计算一个整数的平方根，并返回结果。
+#include <iostream>
+
+using namespace std;
+
+int squareRoot(int x)
+{
+    int left = 0, right = x;
+    int mid;
+    while (left <= right)
+    {
+        mid = (left + right) / 2;
+        if (mid * mid == x)
+            return mid;
+        else if (mid * mid < x)
+            left = mid + 1;
+        else
+            right = mid - 1;
+    }
+
+    return -1; // 找不到平方根
+}
+
+int main()
+{
+    int x;
+    cout << "请输入一个整数: ";
+    cin >> x;
+
+    int result = squareRoot(x);
+    if (result == -1)
+        cout << x << " 找不到平方根" << endl;
+    else
+        cout << x << " 的平方根为: " << result << endl;
+
+    return 0;
+}

day9/homework/h9.cpp

@@ -0,0 +1,34 @@
+// 编写一个函数，用于判断一个字符串是否为回文字符串，并返回结果。
+#include <iostream>
+#include <cstring>
+
+using namespace std;
+
+bool isPalindrome(const char *str) // const 有只读的含义, 不会修改 str 指向的字符串
+{
+    int len = strlen(str);
+    int i = 0, j = len - 1;
+    while (i < j)
+    {
+        if (str[i] != str[j])
+            return false;
+        i++;
+        j--;
+    }
+
+    return true;
+}
+
+int main()
+{
+    char str[100];
+    cout << "请输入一个字符串：";
+    cin >> str;
+
+    if (isPalindrome(str))
+        cout << str << " 是回文字符串" << endl;
+    else
+        cout << str << " 不是回文字符串" << endl;
+
+    return 0;
+}