54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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ui->setupUi(this); // 显示UI界面
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// // 为ui界面中的btn1按钮设置绑定
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// connect(ui->btn1,&QPushButton::clicked,[&]{
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// QMessageBox::about(this,"关于","ui中的按钮被点击了");
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// });
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// 退出事件绑定
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connect(ui->exitAction,&QAction::triggered,[&]{
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this->close();
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});
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}
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MainWindow::~MainWindow()
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{
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delete ui; // 手动释放
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}
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void MainWindow::on_btn1_clicked()
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{
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// QLabel 显示图片
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QPixmap pix;
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pix.load(":/images/images/Sunny.jpg");
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ui->label->setPixmap(pix);
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}
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void MainWindow::on_btn2_clicked()
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{
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// 显示网页内容
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QString html = "<h1>一号标题</h1><a href='https://www.baidu.com'>百度</a>";
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ui->label->setTextFormat(Qt::RichText); // 文本的格式为富文本
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ui->label->setText(html);
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ui->label->setOpenExternalLinks(true); // 支持内容中的 a 标签直接打开
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}
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void MainWindow::on_btn3_clicked()
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{
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// 显示动画
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QMovie *movie = new QMovie(":/movies/images/mario.gif");
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ui->label->setMovie(movie);
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movie->start();
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}
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