PyQt4菜单栏

#!/usr/bin/python
# -*- coding:utf-8 -*-

import sys
from PyQt4 import QtGui, QtCore

class MainWindow(QtGui.QMainWindow):
    def __init__(self, parent = None):
        QtGui.QMainWindow.__init__(self, parent)
        self.resize(250, 150)
        self.setWindowTitle(‘menu bar‘)
        exit = QtGui.QAction(QtGui.QIcon(‘exit.png‘), ‘Exit‘, self)
        exit.setShortcut(‘Ctrl+Q‘)
        exit.setStatusTip(‘Exit application‘)
        exit.connect(exit, QtCore.SIGNAL(‘triggered()‘),
                     QtGui.qApp, QtCore.SLOT(‘quit()‘))
        self.statusBar()
        menubar = self.menuBar()
        file = menubar.addMenu(‘&File‘)
        file.addAction(exit)
        
        
app = QtGui.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())