import sys from PyQt5.QtCore import * from PyQt5.QtWidgets import * from PyQt5.QtGui import *
class MyWindow(QWidget): def init(self,parent=None): super(MyWindow, self).init(parent)
self.setWindowTitle('QMessageBox例子')
self.resize(300,100)
self.mybutton=QPushButton(self)
self.mybutton.move(5,5)
self.mybutton.setText('点击消息弹出消息框')
self.mybutton.clicked.connect(self.msg)
def msg(self):
#弹出消息对话框
reply = QMessageBox.information(self, '标题','消息对话框正文',QMessageBox.Yes | QMessageBox.No,QMessageBox.Yes)
reply1 = QMessageBox.question(self, "标题", "提问框消息正文", QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
reply2 = QMessageBox.warning(self, "标题", "警告框消息正文", QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
reply3 = QMessageBox.critical(self, "标题", "严重错误对话框消息正文", QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
reply4 = QMessageBox.about(self, "标题", "关于对话框消息正文")
if name == 'main': app=QApplication(sys.argv) myshow=MyWindow() myshow.show() sys.exit(app.exec_())