day1作业--三级菜单

  1 #coding=utf-8
  2 import sys
  3 China_map={
  4     ‘华北‘:{‘北京‘:[‘东城‘,‘西城‘,‘朝阳‘,‘海淀‘],‘河北‘:[‘保定‘,‘邯郸‘,‘唐山‘,‘海淀‘]},
  5     ‘华东‘:{‘上海‘:[‘虹桥‘,‘徐汇‘,‘黄埔‘,‘普陀‘],‘江苏‘:[‘南京‘,‘苏州‘,‘无锡‘,‘徐州‘]},
  6     ‘华南‘:{‘广东‘:[‘深圳‘,‘东莞‘,‘湛江‘,‘佛山‘],‘海南‘:[‘海口‘,‘三亚‘,‘三沙‘]}
  7 }
  8 city_district_info={‘东城‘:[1000,2000],‘西城‘:[1001,2001],‘朝阳‘:[1002,2002],‘海淀‘:[1003,2003],‘保定‘:[1004,2004],‘邯郸‘:[1005,2005],
  9                     ‘唐山‘:[1006,2006],‘海淀‘:[1007,2007],‘虹桥‘:[1008,2008],‘徐汇‘:[1009,2009],‘黄埔‘:[1010,2010],‘黄埔‘:[1011,2011],‘南京‘:[1012,2012],‘苏州‘:[1013,2013],
 10                     ‘无锡‘:[1014,2014],‘徐州‘:[1015,2015],‘深圳‘:[1016,2016],‘东莞‘:[1017,2017],‘湛江‘:[1018,2018],‘佛山‘:[1019,2019],‘海口‘:[1020,2020],
 11                     ‘三亚‘:[1021,2021],‘三沙‘:[1022,2022]}
 12 
 13 #遍历一级菜单
 14 def one_level_menu():
 15     error_num=1
 16     one_level_menu_dict={}
 17     #print(‘一级菜单列表：‘,list(China_map.keys()))
 18 
 19     for i in range(len(list(China_map.keys()))):
 20         one_level_menu_dict[i]=list(China_map.keys())[i]
 21     print (‘一级菜单dict：‘,one_level_menu_dict)
 22 
 23     while 1:
 24         one_menu_choose=input(‘请选择Region代号；q:退出系统，b:返回上级菜单‘)
 25         if one_menu_choose == ‘b‘:
 26             print(‘最顶层菜单，无法返回‘)
 27         elif one_menu_choose == ‘q‘:
 28             sys.exit()
 29         elif one_menu_choose in (str(list(one_level_menu_dict.keys()))):  #list(one_level_menu_dict.keys())取出one_level_menu_dict字典中的所有的key值形成列表
 30             error_num=1  #输入错误后，如果再输入正确，那么错误数重新计算
 31             two_level_menu(one_level_menu_dict,one_menu_choose)  #调用二级菜单函数，显示二级菜单
 32         elif one_menu_choose not in (str(list(one_level_menu_dict.keys()))):
 33             print(‘Region代码输入错误，重新输入,第%d次错误‘ %error_num)
 34             if error_num < 3:
 35                 error_num=error_num+1
 36             else:
 37                 sys.exit()
 38 
 39 #显示二级菜单
 40 def two_level_menu(one_level_menu_dict,one_menu_choose):
 41     error_num=1
 42     two_level_menu_dict={}
 43     Region_name=one_level_menu_dict[int(one_menu_choose)]  #区域名字
 44     print (‘选择的区域的名字：‘,Region_name)
 45     #print (‘二级菜单list：‘,list(China_map[Region_name].keys()))
 46 
 47     for i in range(len(list(China_map[Region_name].keys()))):
 48         two_level_menu_dict[i]=list(China_map[Region_name].keys())[i]
 49     print (‘二级菜单dict:‘,two_level_menu_dict)
 50 
 51     while 1:
 52         two_menu_choose=input(‘请选择Province代号；q:退出系统，b:返回上级菜单‘)
 53         if two_menu_choose == ‘b‘:  #输入b，退回上级菜单
 54             #print(‘bbbb‘)
 55             one_level_menu()
 56         elif two_menu_choose == ‘q‘:  #输入q，退出程序
 57             sys.exit()
 58         elif two_menu_choose in (str(list(two_level_menu_dict.keys()))):  #list(one_level_menu_dict.keys())取出one_level_menu_dict字典中的所有的key值形成列表
 59             error_num=1  #输入错误后，如果再输入正确，那么错误数重新计算
 60             three_level_menu(one_level_menu_dict,two_level_menu_dict,Region_name,one_menu_choose,two_menu_choose)  #调用三级菜单函数，显示三级菜单
 61         elif two_menu_choose not in (str(list(two_level_menu_dict.keys()))):
 62             print(‘Province代码输入错误，重新输入,第%d次错误‘ %error_num)
 63             if error_num < 3:
 64                 error_num=error_num+1
 65             else:
 66                 sys.exit()
 67 
 68 #显示三级菜单
 69 def three_level_menu(one_level_menu_dict,two_level_menu_dict,Region_name,one_menu_choose,two_menu_choose):
 70     error_num=1
 71     three_level_menu_dict={}
 72     Province_name=two_level_menu_dict[int(two_menu_choose)]  #城市名字
 73     print (‘选择的省的名字：‘,Province_name)
 74     #print (‘三级菜单list：‘,list(China_map[Region_name][City_name]))
 75 
 76     for i in range(len(list(China_map[Region_name][Province_name]))):
 77         three_level_menu_dict[i]=list(China_map[Region_name][Province_name])[i]
 78     print (‘三级菜单dict:‘,three_level_menu_dict)
 79 
 80     while 1:
 81         three_menu_choose=input(‘请选择City-District代号；q:退出系统，b:返回上级菜单‘)
 82         if three_menu_choose == ‘b‘:
 83             two_level_menu(one_level_menu_dict,one_menu_choose)
 84         elif three_menu_choose == ‘q‘:
 85             sys.exit()
 86         elif three_menu_choose in (str(list(three_level_menu_dict.keys()))):
 87             display_city_distrct_info(one_level_menu_dict,two_level_menu_dict,three_level_menu_dict,Region_name,one_menu_choose,two_menu_choose,city_district_info)
 88         elif three_menu_choose not in (str(list(three_level_menu_dict.keys()))):
 89             print(‘City-District代码输入错误，重新输入,第%d次错误‘ %error_num)
 90             if error_num < 3:
 91                 error_num=error_num+1
 92             else:
 93                 sys.exit()
 94 
 95 
 96 def display_city_distrct_info(one_level_menu_dict,two_level_menu_dict,three_level_menu_dict,Region_name,one_menu_choose,two_menu_choose,city_district_info):
 97     error_num=1
 98     print(‘美丽的%s欢迎你‘ %three_level_menu_dict[int(two_menu_choose)])
 99     city_district_name=three_level_menu_dict[int(two_menu_choose)]
100     total_population=city_district_info[three_level_menu_dict[int(two_menu_choose)]][0]
101     area=city_district_info[three_level_menu_dict[int(two_menu_choose)]][1]
102     msg=‘‘‘%s简介信息：
103 -----------------------
104   总人口:%s
105   总面积:%d
106 ----------End----------‘‘‘ %(city_district_name,total_population,area)
107     print(msg)
108 
109     last_menu_choose=input(‘请选择代号：q:退出系统，b:返回上级菜单‘)
110     if last_menu_choose ==  ‘q‘:
111         sys.exit()
112     elif last_menu_choose == ‘b‘:
113         three_level_menu(one_level_menu_dict,two_level_menu_dict,Region_name,one_menu_choose,two_menu_choose)
114     else:
115         last_again_menu_choose=input(‘代号输入错误，请选重新输入：q:退出系统，b:返回上级菜单‘)
116 
117 
118 if __name__==‘__main__‘:
119     one_level_menu()