python pyqt5 QMenuBar

image.png

image.png

菜单栏

-- coding: utf-8 --

'''
【简介】
PyQt5中 Qmenu 例子

'''

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

class MenuDemo(QMainWindow):
def init(self, parent=None):
super(MenuDemo, self).init(parent)
layout = QHBoxLayout()
bar = self.menuBar()
file = bar.addMenu("File")
file.addAction("New")
save = QAction("Save", self)
save.setShortcut("Ctrl+S")
file.addAction(save)
edit = file.addMenu("Edit")
edit.addAction("copy")
edit.addAction("paste")
quit = QAction("Quit", self)
file.addAction(quit)
file.triggered[QAction].connect(self.processtrigger)
self.setLayout(layout)
self.setWindowTitle("menu 例子")
self.resize(350, 300)

def processtrigger(self, q):
    print(q.text() + " is triggered")

if name == 'main':
app = QApplication(sys.argv)
demo = MenuDemo()
demo.show()
sys.exit(app.exec_())