PyQt4 菜单栏 + 工具栏 + 状态栏 + 中心部件 生成一个文本编辑部件示例

#!/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)
self.resize(350, 250)
self.setWindowTitle('main window')
textEdit = QtGui.QTextEdit()
self.setCentralWidget(textEdit)

exit = QtGui.QAction(QtGui.QIcon('exit.png'), 'Exit', self)
exit.setShortcut('Ctrl+Q')
exit.setStatusTip('Exit application')
self.connect(exit, QtCore.SIGNAL('triggered()'),
QtGui.qApp, QtCore.SLOT('quit()'))
self.statusBar()

menubar = self.menuBar()
file = menubar.addMenu('&File')
file.addAction(exit)

self.toolbar = self.addToolBar('Exit')
self.toolbar.addAction(exit)

app = QtGui.QApplication(sys.argv)
main = MainWindow()
main.show()
sys.exit(app.exec_())