day12 coding Qt案例: 上课代码

2023-06-28 23:02:58 +08:00 · 2023-06-28 23:02:58 +08:00 · de36ac8b3c
parent fc4b1e799b
commit de36ac8b3c
18 changed files with 681 additions and 0 deletions
--- a/day12/qtdemo3/main.cpp
+++ b/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();
 }
--- a/day12/qtdemo3/qtdemo3.pro
+++ b/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
--- a/day12/qtdemo3/res.qrc
+++ b/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>
--- a/day12/qtdemo3/resources/Sunny.jpg
+++ b/day12/qtdemo3/resources/Sunny.jpg
--- a/day12/qtdemo3/resources/add.png
+++ b/day12/qtdemo3/resources/add.png
--- a/day12/qtdemo3/resources/mario.gif
+++ b/day12/qtdemo3/resources/mario.gif
--- a/day12/qtdemo3/resources/open.png
+++ b/day12/qtdemo3/resources/open.png
--- a/day12/qtdemo3/resources/save.png
+++ b/day12/qtdemo3/resources/save.png
--- a/day12/qtdemo3/widget.cpp
+++ b/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();
 }
--- a/day12/qtdemo3/widget.h
+++ b/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
--- a/day12/qtdemo3/widget.ui
+++ b/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>
--- a/day12/qtdemo4/main.cpp
+++ b/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();
 }
--- a/day12/qtdemo4/qtdemo4.pro
+++ b/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
--- a/day12/qtdemo4/res.qrc
+++ b/day12/qtdemo4/res.qrc
@ -0,0 +1,5 @@
 <RCC>
    <qresource prefix="/movies">
        <file alias="yanhua">resources/yanhua1.gif</file>
    </qresource>
 </RCC>
--- a/day12/qtdemo4/resources/yanhua1.gif
+++ b/day12/qtdemo4/resources/yanhua1.gif
--- a/day12/qtdemo4/widget.cpp
+++ b/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(" ");
    }
 }
--- a/day12/qtdemo4/widget.h
+++ b/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
--- a/day12/qtdemo4/widget.ui
+++ b/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>