GUI.py 文件源码

def closeEvent(self, event):
        reply = QMessageBox.question(self, 'Message', 'Are you sure you want to quit?',
                                     QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
        if reply == QMessageBox.Yes:
            event.accept()
        else:
            event.ignore()

    # def quitApp(self):
    #     QCoreApplication.instance().quit()