93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
#include "widget7.h"
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#include <QDebug>
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Widget7::Widget7(QWidget *parent) : QWidget(parent)
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{
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setWindowTitle("题目6");
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setFixedSize(800,600);
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vct = new QVector<QString>();
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btn1 = new QPushButton("张三",this);
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btn1->move(10,20);
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btn2 = new QPushButton("李四",this);
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btn2->move(10,70);
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btn3 = new QPushButton("王五",this);
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btn3->move(10,120);
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btn4 = new QPushButton("赵六",this);
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btn4->move(10,170);
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btn5 = new QPushButton("孙七",this);
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btn5->move(10,220);
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btn_show = new QPushButton("打印",this);
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btn_show->move(150,20);
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btn_restart = new QPushButton("重新再来",this);
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btn_restart->move(150,70);
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// connect(this,&Widget7::my_signal,this,&Widget7::my_handler);
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connect(this,SIGNAL(my_signal(const QString &)),this,SLOT(my_handler(const QString &)));
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connect(btn1,&QPushButton::clicked,[&]{
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QString str = btn1->text();
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emit this->my_signal(str);
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emit this->studentSelected(str);
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btn1->setEnabled(false);
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});
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connect(btn2,&QPushButton::clicked,[&]{
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QString str = btn2->text();
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emit this->my_signal(str);
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emit this->studentSelected(str);
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btn2->setEnabled(false);
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});
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connect(btn3,&QPushButton::clicked,[&]{
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QString str = btn3->text();
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emit this->my_signal(str);
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emit this->studentSelected(str);
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btn3->setEnabled(false);
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});
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connect(btn4,&QPushButton::clicked,[&]{
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QString str = btn4->text();
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emit this->my_signal(str);
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emit this->studentSelected(str);
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btn4->setEnabled(false);
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});
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connect(btn5,&QPushButton::clicked,[&]{
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QString str = btn5->text();
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emit this->my_signal(str);
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emit this->studentSelected(str);
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btn5->setEnabled(false);
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});
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// 打印学生
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connect(btn_show,&QPushButton::clicked,[&]()->void{
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QVector<QString>::iterator it = vct->begin();
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while(it != vct->end()){
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qDebug()<<*it;
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it++;
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}
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// for(int i=0;i<vct->size();i++){
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// qDebug()<<vct->at(i);
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// }
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});
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connect(btn_restart,&QPushButton::clicked,[&]()->void{
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vct->clear(); // 清空容器
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btn1->setEnabled(true); // 还原按钮可用性
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btn2->setEnabled(true);
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btn3->setEnabled(true);
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btn4->setEnabled(true);
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btn5->setEnabled(true);
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});
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}
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void Widget7::my_handler(const QString &str)
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{
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// qDebug()<<str;
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if(vct->count(str) == 0) // 当本字符串尚未加入 vct 时，将其加入 vct
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vct->append(str); // 向 QVector 中添加学生
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}
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