pyside+pyqt實(shí)現(xiàn)鼠標(biāo)右鍵菜單功能

# -*- encoding: utf-8 -*-
try:
 from PySide import QtGui 
 from PySide import QtCore
except ImportError:
 from PySide2 import QtWidgets as QtGui
 from PySide2 import QtCore
import sys
class MainWindow(QtGui.QMainWindow):
 def __init__(self):
  super(MainWindow, self).__init__()
  self.createContextMenu()

 def createContextMenu(self):
  ''''' 
  創(chuàng)建右鍵菜單 
  '''
  # 必須將ContextMenuPolicy設(shè)置為Qt.CustomContextMenu
  # 否則無法使用customContextMenuRequested信號(hào)
  self.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
  self.customContextMenuRequested.connect(self.showContextMenu)

  # 創(chuàng)建QMenu
  self.contextMenu = QtGui.QMenu(self)
  self.actionA = self.contextMenu.addAction(u'添加')
  self.actionB = self.contextMenu.addAction(u'刪除')
  # 將動(dòng)作與處理函數(shù)相關(guān)聯(lián)
  # 這里為了簡(jiǎn)單，將所有action與同一個(gè)處理函數(shù)相關(guān)聯(lián)，
  # 當(dāng)然也可以將他們分別與不同函數(shù)關(guān)聯(lián)，實(shí)現(xiàn)不同的功能
  self.actionA.triggered.connect(self.actionHandler)
  self.actionB.triggered.connect(self.actionHandler)

 def showContextMenu(self, pos):
  ''''' 
  右鍵點(diǎn)擊時(shí)調(diào)用的函數(shù) 
  '''
  # 菜單顯示前，將它移動(dòng)到鼠標(biāo)點(diǎn)擊的位置
  self.contextMenu.move(QtGui.QCursor().pos())
  self.contextMenu.show()

 def actionHandler(self):
  ''''' 
  菜單中的具體action調(diào)用的函數(shù) 
  '''
  print 'action handler'

if __name__ == '__main__':
 app = QtGui.QApplication(sys.argv)
 window = MainWindow()
 window.show()
 sys.exit(app.exec_())