1 import sys
2 from PyQt5.QtCore import *
3 from PyQt5.QtGui import *
4 from PyQt5.QtWidgets import *
5 class MyWindow(QWidget):
6 def __init__(self,parent=None):
7 super(MyWindow,self).__init__(parent)
8 self.setWindowTitle("弹出式对话框例子")
9 self.resize(400,200)
10 self.btn1=QPushButton(self)
11 self.btn1.setText("消息框")
12 self.btn1.clicked.connect(self.msg1)
13 layout=QVBoxLayout()
14
15 self.btn2=QPushButton(self)
16 self.btn2.setText("问答对话框")
17 self.btn2.clicked.connect(self.msg2)
18
19 self.btn3=QPushButton()
20 self.btn3.setText("警告对话框")
21 self.btn3.clicked.connect(self.msg3)
22
23 self.btn4=QPushButton()
24 self.btn4.setText("严重错误对话框")
25 self.btn4.clicked.connect(self.msg4)
26
27 self.btn5=QPushButton()
28 self.btn5.setText("关于对话框")
29 self.btn5.clicked.connect(self.msg5)
30
31 layout.addWidget(self.btn1)
32 layout.addWidget(self.btn2)
33 layout.addWidget(self.btn3)
34 layout.addWidget(self.btn4)
35 layout.addWidget(self.btn5)
36
37 self.setLayout(layout)
38
39
40 def msg1(self):
41 #使用infomation信息框
42 QMessageBox.information(self,"标题","消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
43 def msg2(self):
44 QMessageBox.question(self,"标题","问答消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
45 def msg3(self):
46 QMessageBox.warning(self,"标题","警告消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
47 def msg4(self):
48 QMessageBox.critical(self,"标题","严重错误消息正文",QMessageBox.Yes|QMessageBox.No,QMessageBox.Yes)
49 def msg5(self):
50 QMessageBox.about(self,"标题","关于消息正文")
51
52 if __name__=="__main__":
53 app=QApplication(sys.argv)
54 win=MyWindow()
55 win.show()
56 sys.exit(app.exec_())
