# -*- coding: utf-8 -*-

# python:2.x

__author__ = ‘Administrator‘

import sys

from PyQt4.QtCore import Qt

from PyQt4 import QtGui,QtCore,Qt

from rol import Ui_Form

class Example(QtGui.QDialog,Ui_Form):

    def __init__(self,parnet=None):

        super(Example, self).__init__(parnet)

        self.setupUi(self)

        self.createContextMenu()

        self.label.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

        self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

        self.label.customContextMenuRequested.connect(self.conmenx)

        self.pushButton.clicked.connect(self.butoonMenu)

    def conmenx(self,point):

        self.menu.exec_(self.label.mapToGlobal(point))

    def createContextMenu(self):

        self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

        self.menu=QtGui.QMenu(self)

        menu1=self.menu.addAction(u‘打开‘)

        menu1.triggered.connect(self.opens)

    def butoonMenu(self):

        self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)

        self.buttonme=QtGui.QMenu(self)

        text=self.buttonme.addAction(u‘打开‘)

        text.triggered.connect(self.opens)

        self.buttonme.exec_(self.mapToGlobal(QtCore.QPoint(240,230)))

    def opens(self):

        QtGui.QMessageBox.information(self,‘x‘,‘xx‘)

def main():

    app = QtGui.QApplication(sys.argv)

    ex = Example()

    ex.show()

    sys.exit(app.exec_())

main()

图片如下: