主要内容
继承Pyqt5 QMainWindow类
添加菜单栏及菜单项目
添加状态栏
快捷连接菜单项以关闭GUI窗口
效果如图
代码如下
from PyQt5.QtWidgets import QApplication,QMainWindow,QAction from PyQt5.QtGui import QIcon import sys class GUI(QMainWindow):#inherit from QMainwindow def __init__(self): super().__init__()#initialize super class,which creates the window self.initGUI() #refer to window as self def initGUI(self):#add widgets and change properties self.setWindowTitle('这不是周')#refer to window as self self.resize(400,400) #resize(width,height) self.add_menu_and_status() def add_menu_and_status(self): self.statusBar().showMessage('状态栏内容') menubar =self.menuBar() #create menu bar file_menu =menubar.addMenu('文件') #add menu to menu bar new_icon =QIcon('file.png') #create icon new_action =QAction(new_icon,'创建',self) #crteate an Action new_action.setStatusTip('创建新文件')#statusbar pdated file_menu.addAction(new_action) # add Action to menu file_menu.addSeparator() #add separator line between menu exit_icon = QIcon('exit.png') # create icon exit_action = QAction(exit_icon, '退出', self) # crteate an Action exit_action.setStatusTip('点击退出系统') # statusbar pdated exit_action.triggered.connect(self.close)#close application when clicked exit_action.setShortcut('Ctrl+Q') #keyboard shortcut to close application file_menu.addAction(exit_action) # add Action to menu #------------------------------------- edit_menu =menubar.addMenu('编辑')#add second menu to menu bar self.resize(400,400) if __name__=='__main__': app =QApplication(sys.argv) #create Application gui =GUI() #create instance of class gui.show()#show the constructed Qt window sys.exit(app.exec_())#execute the application