PYQT5-QmessageBox

def msg1(self):
        #使用infomation信息框
        QMessageBox.information(self,"标题","消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
    def msg2(self):
         QMessageBox.question(self,"标题","问答消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
    def msg3(self):
        QMessageBox.warning(self,"标题","警告消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
    def msg4(self):
        QMessageBox.critical(self,"标题","严重错误消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
    def msg5(self):
        QMessageBox.about(self,"标题","关于消息正文")

带输入框的消息弹窗

    def input_msg(self,question,title):
        QID = QInputDialog()
        QID.setGeometry(500 / 2,
                        200, 200, 200)
        text, ok = QID.getText(self.window, question, title)
        if ok:
            return text
        else:
            return 0

带确认按钮的弹窗

            reply = QMessageBox.information(self,                         #使用infomation信息框  
                                        "标题",  
                                        "消息",  
                                        QMessageBox.Yes | QMessageBox.No)