Day 16 之二 省市县三级联动

摘录自：雨神，供参考！

province_dic = {
        "河北": {
            "石家庄": ["鹿泉", "藁城", "元氏"],
            "邯郸": ["永年", "涉县", "磁县"],
            "唐山": ["唐山1", "唐山2", "唐山3", "唐山4", "唐山5"]
        },
        "河南": {
            "郑州": ["新郑", "新密", "金水区"],
            "安阳": ["安阳县", "滑县", "汤阴县", "滑县", "张家庄"],
            "许昌": ["魏都区","长葛","禹州"],
            "焦作": ["焦作", "焦作", "焦作","焦作","焦作","焦作"],
            "新乡": ["新乡1", "新乡2", "新乡3", "新乡4", "新乡5"],
            "洛阳": ["洛阳1","洛阳2","洛阳3","洛阳4","洛阳5","洛阳6"]
        },
        "山西": {
            "太原": ["太原1", "太原2", "太原3", "太原4", "太原5"],
            "运城": ["运城1", "运城2", "运城3"],
            "阳泉": ["阳泉1", "阳泉2", "阳泉3", "阳泉4"],
            "大同": ["大同1", "大同2", "大同3", "大同4", "大同5", "大同6"]
        },
        "湖南":{
            "长沙": ["长沙1","长沙2","长沙3"],
            "湘潭": ["湘潭1","湘潭2","湘潭3"],
            "岳阳": ["岳阳1","岳阳2","岳阳3","岳阳4"],
            "常宁": ["常宁1","常宁2","常宁3","常宁4","常宁5","常宁6"]
        }
    }
province_list = []
city_list = []
county_list = []
province_tag = True
while province_tag:
    province_list.clear()
    for i in province_dic:
        province_list.append(i)
    num = 0
    print(          '请输入您想查询的省份:')
    while(num<(len(province_list)+1)):
        if(num<len(province_list)):
            print('        %d-->%s' % (num+1,province_list[num]))
        else:
            print('        %d-->%s' % (num+1,'退出'))
        num+=1
    province_num = input()
    if(province_num.isdigit() and int(province_num) in range(1,num+1)):
        if int(province_num) == num:             #退出 选择激活！此时num=5,等于退出
            province_tag = False
            break
        m_province = province_list[int(province_num)-1]
        print('您选择的省份为%s' % m_province)
        city_tag = True
        city_list.clear()
        for i in province_dic.get(m_province):
            city_list.append(i)
    else:
        print('请按照提示输入,谢谢')
        continue
    while city_tag:
        num=0
        print(          '请输入您想查询的市:')
        while(num<(len(city_list)+2)):
            if(num<len(city_list)):
                print('        %d-->%s' % (num+1,city_list[num]))
            elif(num==len(city_list)):
                print('        %d-->%s' % (num+1,'返回上一级'))
            else:
                print('        %d-->%s' % (num+1,'退出'))
            num+=1
        city_num = input()
        if(city_num.isdigit() and int(city_num) in range(1,num+1)):
            if(int(city_num)==num-1):
                break
            if(int(city_num)==num):
                province_tag=False
                break
            m_city = city_list[int(city_num)-1]
            print('您选择的市为%s' % m_city)
            county_list.clear()
            for i in (province_dic.get(m_province)).get(m_city):
                county_list.append(i)
        else:
            print('请按照提示输入,谢谢')
            continue
        while city_tag:
            num=0
            print(          '请输入您想查询的县(区):')
            while(num<(len(county_list)+2)):
                if(num<len(county_list)):
                    print('        %d-->%s' % (num+1,county_list[num]))
                elif(num==len(county_list)):
                    print('        %d-->%s' % (num+1,'返回上一级'))
                else:
                    print('        %d-->%s' % (num+1,'退出'))
                num+=1
            county_num = input()
            if(county_num.isdigit() and int(county_num) in range(1,num+1)):
                if(int(county_num)==num-1):
                    break
                if(int(county_num)==num):
                    city_tag=False
                    province_tag=False
                    break
                m_county = county_list[int(county_num)-1]
                print('您选择的县(区)为%s' % m_county)
                temp_num = input('''
                1-->重新选择
                2-->返回上级
                3-->重新开始
                4-->退出
                ''')
                if(temp_num.isdigit() and int(temp_num) in range(1,5)):
                    if(temp_num=='1'):
                        continue
                    if(temp_num=='2'):
                        break
                    if(temp_num=='3'):
                        city_tag=False
                        break
                    if(temp_num=='4'):
                        city_tag=False
                        province_tag=False
                        break
                else:
                    print('请按照提示输入,谢谢')
                    continue
            else:
                print('请按照提示输入,谢谢')
                continue

# tag = True
# while tag:
#     for shengming in province_dic:
#         print(shengming)
#     shengming = input("哪个省:(q退出！)")
#     if shengming.strip() in province_dic:
#         while tag:
#             for chengshiming in province_dic[shengming.strip()]:
#                 print(chengshiming)
#             chengshiming = input("哪个城市：（q退出！b返回）")
#             if chengshiming.strip() in province_dic[shengming.strip()]:
#                 while tag:
#                     for quming in province_dic[shengming.strip()][chengshiming.strip()]:
#                         print(quming)
#                     quming = input("q退出！b返回！")
#                     if quming.strip() == 'q':
#                         tag = False
#                     elif quming.strip() == "b":
#                         break
#             elif chengshiming.strip() == "q":
#                 tag = False
#             elif chengshiming.strip() == 'b':
#                 break
#     elif shengming.strip() == "q":
#         tag = False
#     print("你已退出本系统，假期愉快！")



# current_layers = province_dic
# layers = [province_dic]
#
# while True:
#     for i in current_layers:
#         print(i)
#     choice = input(">>: ").strip()
#     if choice in current_layers:
#         layers.append(current_layers)
#         current_layers = current_layers[choice]
#     elif choice.upper() == "B":
#         current_layers = layers[-1]
#         layers.pop()