from  tkinter import *

root = Tk()

menubar = Menu(root)

def callback():

    pass

filemenu = Menu(menubar, tearoff=False)

filemenu.add_command(label="打开",command=callback)

filemenu.add_command(label="保存",command=callback)

filemenu.add_separator()

filemenu.add_command(label="退出",command=callback)

menubar.add_cascade(label="文件",menu=filemenu)

editmenu = Menu(menubar, tearoff=False)

editmenu.add_command(label="复制",command=callback)

editmenu.add_command(label="粘贴",command=callback)

editmenu.add_separator()

editmenu.add_command(label="退出",command=callback)

menubar.add_cascade(label="编辑",menu=editmenu)

root.config(menu=menubar)

mainloop()

from tkinter import *

root = Tk()

def callback():

    pass6

menubar = Menu(root)

menubar.add_command(label="撤销",command=callback)

menubar.add_command(label="重置",command=callback)

menubar.add_command(label="复制",command=callback)

frame = Frame(root,width=512,height=512)

frame.pack()

def popup(event):

    menubar.post(event.x_root,event.y_root)

frame.bind("<Button-3>",popup)

mainloop()