菜单栏代码：

from  tkinter import *root = Tk()menubar = Menu(root)def callback():    passfilemenu = 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()

运行截图：

弹出菜单代码：

from tkinter import *root = Tk()def callback():    pass6menubar = 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("
     
      ",popup)mainloop()