PyQt5 各种菜单实现

 1 # -*- coding: utf-8 -*-
 2 # Created by PCITZDF on 2018/4/8 15:36.
 3 # FileName: menuandtools.py
 4 
 5 import sys
 6 
 7 from PyQt5.QtGui import QIcon
 8 from PyQt5.QtWidgets import QMainWindow, QApplication, QAction, qApp, QMenu
 9 
10 
11 class Example(QMainWindow):
12     def __init__(self):
13         super().__init__()
14         self.initUI()
15 
16     def initUI(self):
17         self.menuInit()
18         self.toolMenuInit()
19 
20         self.statusBar().showMessage("Ready")  # 设置状态栏
21         self.setGeometry(300, 300, 250, 150)  # 设置窗体位置及大小
22         self.setWindowTitle("Statusbar")  # 设置标题
23         self.show()
24 
25     def menuInit(self):
26         exitAct = QAction(QIcon('icons/node.png'), "exit", self)
27         exitAct.setShortcut("Ctrl+Q")
28         exitAct.setStatusTip("Exit Application")
29         exitAct.triggered.connect(qApp.quit)
30 
31         menubar = self.menuBar()
32         filemenu = menubar.addMenu("File")
33         filemenu.addAction(exitAct)
34 
35         impMenu = QMenu("Import", self)
36 
37         newActioni = QAction("New", self, checkable=True)
38         impMenu.addAction(newActioni)
39 
40         filemenu.addMenu(impMenu)
41 
42     def contextMenuEvent(self, e):
43         """右键菜单"""
44         cmenu = QMenu(self)
45 
46         newAct = cmenu.addAction("new")
47         openAct = cmenu.addAction("Open")
48         quitAct = cmenu.addAction("Quit")
49         action = cmenu.exec_(self.mapToGlobal(e.pos()))
50         if action == quitAct:
51             qApp.quit()
52 
53     def toolMenuInit(self):
54         """工具栏菜单"""
55         exitAct = QAction(QIcon('icons/node.png'), "exit", self)
56         exitAct.setShortcut("Ctrl+Q")
57         exitAct.triggered.connect(qApp.quit)
58         exitAct.setToolTip("退出应用")
59 
60         self.toolbar = self.addToolBar("Exit")
61         self.toolbar.addAction(exitAct)
62 
63 
64 
65 if __name__ == '__main__':
66     app = QApplication(sys.argv)
67     ex = Example()
68     sys.exit(app.exec_())