PyQt5 中 addSeparator 的理解

QAction QMenu.addSeparator (self)
This convenience function creates a new separator action, i.e. an action with 
QAction.isSeparator() returning true, and adds the new action to this menu's list of actions.
 It returns the newly created action.

[email protected]:~/c_study/hw_idarling/qt_prj$ cat Qtsep1.py 
#!/usr/bin/env python
# coding=utf-8

import sys
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *

class PopMenu(QMenu):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.item1 = self.addAction('item1')
        self.item1.setShortcut(Qt.CTRL | Qt.Key_Q)
        self.addAction('item2')
        self.addSeparator()
        self.addAction('item3')
        self.subMenu = self.addMenu('menu1')
        self.subMenu.addAction('subitem1')
        self.subMenu.addAction('subitem2')
        self.triggered.connect(self._triggered)
    def _triggered(self, action): #触发点击，快捷键等信号
        print(action.text())
    def keyPressEvent(self, e): #按键事件
        if (e.modifiers() == Qt.ControlModifier) and e.key() == Qt.Key_Q: #设置组合键事件
            print('触发组合键')

if __name__ == "__main__":
    app = QApplication(sys.argv)
    demo = PopMenu()
    demo.show()
    sys.exit(app.exec_())

demo code 引用自 https://www.cnblogs.com/alplf123/p/8386340.html