python开发_tkinter_多级子菜单
在之前的blog中有提到python的tkinter中的菜单操作
python开发_tkinter_窗口控件_自己制作的Python IDEL_博主推荐
python开发_tkinter_窗口控件_自己制作的Python IDEL_博主推荐（二）
python开发_tkinter_菜单选项中英文切换_菜单选项不可用操作_博主推荐
下面是tkinter的多级子菜单操作
运行效果：
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代码部分：
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1 from tkinter import * 2 3 __author__ = {'name' : 'Hongten', 4 'mail' : 'hongtenzone@foxmail.com', 5 'blog' : 'http://www.cnblogs.com/', 6 'QQ': '648719819', 7 'created' : '2013-09-10'} 8 9 def makeCascadeMenu(): 10 # make menu button 11 Cascade_button = Menubutton(mBar, text='Cascading Menus', underline=0) 12 Cascade_button.pack(side=LEFT, padx="2m") 13 14 # the primary pulldown 15 Cascade_button.menu = Menu(Cascade_button) 16 17 # this is the menu that cascades from the primary pulldown.... 18 Cascade_button.menu.choices = Menu(Cascade_button.menu) 19 20 # ...and this is a menu that cascades from that. 21 Cascade_button.menu.choices.weirdones = Menu(Cascade_button.menu.choices) 22 23 # then you define the menus from the deepest level on up. 24 Cascade_button.menu.choices.weirdones.add_command(label='avacado', command=lambda:print('hello')) 25 Cascade_button.menu.choices.weirdones.add_command(label='belgian endive') 26 Cascade_button.menu.choices.weirdones.add_command(label='beefaroni') 27 28 # definition of the menu one level up... 29 Cascade_button.menu.choices.add_command(label='Chocolate') 30 Cascade_button.menu.choices.add_command(label='Vanilla') 31 Cascade_button.menu.choices.add_command(label='TuttiFruiti') 32 Cascade_button.menu.choices.add_command(label='WopBopaLoopBapABopBamBoom') 33 Cascade_button.menu.choices.add_command(label='Rocky Road') 34 Cascade_button.menu.choices.add_command(label='BubbleGum') 35 Cascade_button.menu.choices.add_cascade( 36 label='Weird Flavors', 37 menu=Cascade_button.menu.choices.weirdones) 38 39 # and finally, the definition for the top level 40 Cascade_button.menu.add_cascade(label='more choices', 41 menu=Cascade_button.menu.choices) 42 43 Cascade_button['menu'] = Cascade_button.menu 44 45 return Cascade_button 46 47 48 ################################################# 49 #### Main starts here ... 50 root = Tk() 51 root.geometry('600x300') 52 53 54 # make a menu bar 55 mBar = Frame(root, relief=RAISED, borderwidth=2) 56 mBar.pack(fill=X) 57 58 59 Cascade_button = makeCascadeMenu() 60 61 mBar.tk_menuBar(Cascade_button) 62 63 64 root.title('menu demo') 65 root.iconname('menu demo') 66 67 root.mainloop()
