#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: linghanchujian"""
多级菜单三级菜单的实现可以依次选择进入各个子菜单也可以返回上级菜单所需知识 列表 字典
""""""三级菜单字典
"""
DictionaryMenu = {'山东' : {'青岛' : ['四方','黄岛','崂山','李沧','城阳'],'济南' : ['历城','槐荫','高新','长青','章丘'],'烟台' : ['龙口','莱山','牟平','蓬莱','招远']},'安徽' : {'合肥' : ['蜀山','庐阳','包河','经开','新站'],'芜湖' : ['镜湖','鸠江','无为','三山','南陵'],'蚌埠' : ['蚌山','龙子湖','淮上','怀远','固镇']},'广东' : {'深圳' : ['罗湖','福田','南山','宝安','布吉'],'广州' : ['天河','珠海','越秀','白云','黄埔'],'东莞' : ['莞城','长安','虎门','万江','大朗']}
}
"""
通过抛出异常来判断输入的编号是否合法
"""
def Abnormal(Num):try:int(Num)return Trueexcept ValueError:return Falsepass"""
获取省级
"""
def Province():for i,j in enumerate (DictionaryMenu):print(str(i+1)+"、"+j)LevelOneOptions = input("请选择上面一级菜单列表的序号(n 退出): ")if LevelOneOptions == 'n':exit()else:if Abnormal(LevelOneOptions):OneOptions = int(LevelOneOptions)# print(LevelOneCount+1)if OneOptions>0 and OneOptions<(i+2):City(OneOptions-1)else:print("请输入0~~"+str(i+2)+"之间的数")print("---------------------------------------")Province()else:print("编号不合法!!")print("---------------------------------------")Province()pass"""
获取市级
"""
def City(Options):for i,j in enumerate(DictionaryMenu):if i == Options:for n,k in enumerate(DictionaryMenu[j]):print(str(n+1)+"、"+k)SecondLevelOptions = input("请选择上面二级菜单列表的序号(b/n 返回上级/退出): ")if SecondLevelOptions == "n":exit()elif SecondLevelOptions == "b":Province()return ;else:if Abnormal(SecondLevelOptions):TwoOptions = int(SecondLevelOptions)# print(LevelOneCount+1)if TwoOptions > 0 and TwoOptions < (n + 2):Area(Options,TwoOptions - 1)else:print("请输入0~~" + str(n + 2) + "之间的数")print("---------------------------------------")City(Options)else:print("编号不合法!!")print("---------------------------------------")City(Options)pass"""
获取区级
"""
def Area(Options,TwoOptions):for i,j in enumerate(DictionaryMenu):if i == Options:for n,k in enumerate(DictionaryMenu[j]):if n == TwoOptions:for c,v in enumerate(DictionaryMenu[j][k]):print(str(c+1)+"、"+v)ThreeOptions = input("上面就是三级菜单全部内容(b/n 返回上级/退出): ")if ThreeOptions == "b":City(Options)return ;else:exit()passprint("欢迎来到三级菜单!!")
Province()