message.py 文件源码

def initUI(self):
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)

        buttonReply = QMessageBox.question(self, 'PyQt5 message', "Do you want to save?", QMessageBox.YesToAll | QMessageBox.No | QMessageBox.Cancel, QMessageBox.Cancel)
        print(int(buttonReply))
        if buttonReply == QMessageBox.Yes:
            print('Yes clicked.')
        if buttonReply == QMessageBox.No:
            print('No clicked.')
        if buttonReply == QMessageBox.Cancel:
            print('Cancel')

        self.show()