【QT学习笔记】二、信号槽和自定义信号槽

1. 信号槽

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QPushButton button("Quit");
    QObject::connect(&button, &QPushButton::clicked, &QApplication::quit);
    button.show();

    return app.exec();
}