PyQt5--MainWindow

 1 # -*- coding:utf-8 -*-
 2 '''
 3 created on sep 14, 2018
 4 
 5 @author: sashuangyibing
 6 '''
 7 import sys
 8 from pyqt5.qtwidgets import qapplication,qmainwindow,qtextedit,qaction
 9 from pyqt5.qtgui import qicon
10 
11 class new_test(qmainwindow):
12     def __init__(self):
13         super().__init__()
14         self.initui()
15         
16     def initui(self):
17         textedit = qtextedit()
18         self.setcentralwidget(textedit)
19         
20         exitaction = qaction(qicon('tools.png'),'exit',self)
21         exitaction.setshortcut('ctrl+q')
22         exitaction.triggered.connect(self.close)
23         
24         self.statusbar()
25         
26         menubar = self.menubar()
27         filemenu = menubar.addmenu('&file')
28         filemenu.addaction(exitaction)
29         
30         toolbar = self.addtoolbar('exit')
31         toolbar.addaction(exitaction)
32         
33         self.setgeometry(300,300,250,150)
34         self.setwindowtitle('main window')
35         self.show()
36         
37 if __name__ == "__main__":
38     app = qapplication(sys.argv)
39     ex = new_test()
40     sys.exit(app.exec_())