您需要将变量与复选按钮项目关联，然后设置变量以使该项目被选中或取消选中。例如：
import tkinter as tkparent = tk.Tk()menubar = tk.Menu(parent)show_all = tk.BooleanVar()show_all.set(True)show_done = tk.BooleanVar()show_not_done = tk.BooleanVar()view_menu = tk.Menu(menubar)view_menu.add_checkbutton(label="Show All", onvalue=1, offvalue=0, variable=show_all)view_menu.add_checkbutton(label="Show Done", onvalue=1, offvalue=0, variable=show_done)view_menu.add_checkbutton(label="Show Not Done", onvalue=1, offvalue=0, variable=show_not_done)menubar.add_cascade(label='View', menu=view_menu)parent.config(menu=menubar)parent.mainloop()
