json java-ee adcode Java解析省市县树形结构工具类

这篇博客将介绍如何根据6位行政编码，解析出省市县区等。adcode共6位，前俩位省/直辖市/自治区，前4位城市，6位区县，并优雅的树形结构输出省市。

本文只解析了俩层，感兴趣的小伙伴可以自行解析区县。

1.效果图

优雅的树形结构输出省市：

22:30:51.617 [main] INFO TestCityProvinceMap - map: 34 {370000=Province(proadcode=370000, name=山东省, cities=[City(citycode=370100, name=济南市), City(citycode=370200, name=青岛市), City(citycode=370300, name=淄博市), City(citycode=370400, name=枣庄市), City(citycode=370500, name=东营市), City(citycode=370600, name=烟台市), City(citycode=370700, name=潍坊市), City(citycode=370800, name=济宁市), City(citycode=370900, name=泰安市), City(citycode=371000, name=威海市), City(citycode=371100, name=日照市), City(citycode=371300, name=临沂市), City(citycode=371400, name=德州市), City(citycode=371500, name=聊城市), City(citycode=371600, name=滨州市), City(citycode=371700, name=菏泽市)]), 620000=Province(proadcode=620000, name=甘肃省, cities=[City(citycode=620100, name=兰州市), City(citycode=620200, name=嘉峪关市), City(citycode=620300, name=金昌市), City(citycode=620400, name=白银市), City(citycode=620500, name=天水市), City(citycode=620600, name=武威市), City(citycode=620700, name=张掖市), City(citycode=620800, name=平凉市), City(citycode=620900, name=酒泉市), City(citycode=621000, name=庆阳市), City(citycode=621100, name=定西市), City(citycode=621200, name=陇南市), City(citycode=622900, name=临夏回族自治州), City(citycode=623000, name=甘南藏族自治州)]), 320000=Province(proadcode=320000, name=江苏省, cities=[City(citycode=320100, name=南京市), City(citycode=320200, name=无锡市), City(citycode=320300, name=徐州市), City(citycode=320400, name=常州市), City(citycode=320500, name=苏州市), City(citycode=320600, name=南通市), City(citycode=320700, name=连云港市), City(citycode=320800, name=淮安市), City(citycode=320900, name=盐城市), City(citycode=321000, name=扬州市), City(citycode=321100, name=镇江市), City(citycode=321200, name=泰州市), City(citycode=321300, name=宿迁市)]), 110000=Province(proadcode=110000, name=北京市, cities=[City(citycode=110000, name=北京市)]), 530000=Province(proadcode=530000, name=云南省, cities=[City(citycode=530100, name=昆明市), City(citycode=530300, name=曲靖市), City(citycode=530400, name=玉溪市), City(citycode=530500, name=保山市), City(citycode=530600, name=昭通市), City(citycode=530700, name=丽江市), City(citycode=530800, name=普洱市), City(citycode=530900, name=临沧市), City(citycode=532300, name=楚雄彝族自治州), City(citycode=532500, name=红河哈尼族彝族自治州), City(citycode=532600, name=文山壮族苗族自治州), City(citycode=532800, name=西双版纳傣族自治州), City(citycode=532900, name=大理白族自治州), City(citycode=533100, name=德宏傣族景颇族自治州), City(citycode=533300, name=怒江傈僳族自治州), City(citycode=533400, name=迪庆藏族自治州)]), 460000=Province(proadcode=460000, name=海南省, cities=[City(citycode=460100, name=海口市), City(citycode=460200, name=三亚市), City(citycode=460300, name=三沙市), City(citycode=460400, name=儋州市)]), 330000=Province(proadcode=330000, name=浙江省, cities=[City(citycode=330100, name=杭州市), City(citycode=330200, name=宁波市), City(citycode=330300, name=温州市), City(citycode=330400, name=嘉兴市), City(citycode=330500, name=湖州市), City(citycode=330600, name=绍兴市), City(citycode=330700, name=金华市), City(citycode=330800, name=衢州市), City(citycode=330900, name=舟山市), City(citycode=331000, name=台州市), City(citycode=331100, name=丽水市)]), 310000=Province(proadcode=310000, name=上海市, cities=[City(citycode=310000, name=上海市)]), 120000=Province(proadcode=120000, name=天津市, cities=[City(citycode=120000, name=天津市)]), 610000=Province(proadcode=610000, name=陕西省, cities=[City(citycode=610100, name=西安市), City(citycode=610200, name=铜川市), City(citycode=610300, name=宝鸡市), City(citycode=610400, name=咸阳市), City(citycode=610500, name=渭南市), City(citycode=610600, name=延安市), City(citycode=610700, name=汉中市), City(citycode=610800, name=榆林市), City(citycode=610900, name=安康市), City(citycode=611000, name=商洛市)]), 650000=Province(proadcode=650000, name=新疆维吾尔自治区, cities=[City(citycode=650100, name=乌鲁木齐市), City(citycode=650200, name=克拉玛依市), City(citycode=650400, name=吐鲁番市), City(citycode=650500, name=哈密市), City(citycode=652300, name=昌吉回族自治州), City(citycode=652700, name=博尔塔拉蒙古自治州), City(citycode=652800, name=巴音郭楞蒙古自治州), City(citycode=652900, name=阿克苏地区), City(citycode=653000, name=克孜勒苏柯尔克孜自治州), City(citycode=653100, name=喀什地区), City(citycode=653200, name=和田地区), City(citycode=654000, name=伊犁哈萨克自治州), City(citycode=654200, name=塔城地区), City(citycode=654300, name=阿勒泰地区)]), 520000=Province(proadcode=520000, name=贵州省, cities=[City(citycode=520100, name=贵阳市), City(citycode=520200, name=六盘水市), City(citycode=520300, name=遵义市), City(citycode=520400, name=安顺市), City(citycode=520500, name=毕节市), City(citycode=520600, name=铜仁市), City(citycode=522300, name=黔西南布依族苗族自治州), City(citycode=522600, name=黔东南苗族侗族自治州), City(citycode=522700, name=黔南布依族苗族自治州)]), 340000=Province(proadcode=340000, name=安徽省, cities=[City(citycode=340100, name=合肥市), City(citycode=340200, name=芜湖市), City(citycode=340300, name=蚌埠市), City(citycode=340400, name=淮南市), City(citycode=340500, name=马鞍山市), City(citycode=340600, name=淮北市), City(citycode=340700, name=铜陵市), City(citycode=340800, name=安庆市), City(citycode=341000, name=黄山市), City(citycode=341100, name=滁州市), City(citycode=341200, name=阜阳市), City(citycode=341300, name=宿州市), City(citycode=341500, name=六安市), City(citycode=341600, name=亳州市), City(citycode=341700, name=池州市), City(citycode=341800, name=宣城市)]), 820000=Province(proadcode=820000, name=澳门特别行政区, cities=[City(citycode=820000, name=澳门特别行政区)]), 430000=Province(proadcode=430000, name=湖南省, cities=[City(citycode=430100, name=长沙市), City(citycode=430200, name=株洲市), City(citycode=430300, name=湘潭市), City(citycode=430400, name=衡阳市), City(citycode=430500, name=邵阳市), City(citycode=430600, name=岳阳市), City(citycode=430700, name=常德市), City(citycode=430800, name=张家界市), City(citycode=430900, name=益阳市), City(citycode=431000, name=郴州市), City(citycode=431100, name=永州市), City(citycode=431200, name=怀化市), City(citycode=431300, name=娄底市), City(citycode=433100, name=湘西土家族苗族自治州)]), 130000=Province(proadcode=130000, name=河北省, cities=[City(citycode=130100, name=石家庄市), City(citycode=130200, name=唐山市), City(citycode=130300, name=秦皇岛市), City(citycode=130400, name=邯郸市), City(citycode=130500, name=邢台市), City(citycode=130600, name=保定市), City(citycode=130700, name=张家口市), City(citycode=130800, name=承德市), City(citycode=130900, name=沧州市), City(citycode=131000, name=廊坊市), City(citycode=131100, name=衡水市)]), 810000=Province(proadcode=810000, name=香港特别行政区, cities=[City(citycode=810000, name=香港特别行政区)]), 210000=Province(proadcode=210000, name=辽宁省, cities=[City(citycode=210100, name=沈阳市), City(citycode=210200, name=大连市), City(citycode=210300, name=鞍山市), City(citycode=210400, name=抚顺市), City(citycode=210500, name=本溪市), City(citycode=210600, name=丹东市), City(citycode=210700, name=锦州市), City(citycode=210800, name=营口市), City(citycode=210900, name=阜新市), City(citycode=211000, name=辽阳市), City(citycode=211100, name=盘锦市), City(citycode=211200, name=铁岭市), City(citycode=211300, name=朝阳市), City(citycode=211400, name=葫芦岛市)]), 510000=Province(proadcode=510000, name=四川省, cities=[City(citycode=510100, name=成都市), City(citycode=510300, name=自贡市), City(citycode=510400, name=攀枝花市), City(citycode=510500, name=泸州市), City(citycode=510600, name=德阳市), City(citycode=510700, name=绵阳市), City(citycode=510800, name=广元市), City(citycode=510900, name=遂宁市), City(citycode=511000, name=内江市), City(citycode=511100, name=乐山市), City(citycode=511300, name=南充市), City(citycode=511400, name=眉山市), City(citycode=511500, name=宜宾市), City(citycode=511600, name=广安市), City(citycode=511700, name=达州市), City(citycode=511800, name=雅安市), City(citycode=511900, name=巴中市), City(citycode=512000, name=资阳市), City(citycode=513200, name=阿坝藏族羌族自治州), City(citycode=513300, name=甘孜藏族自治州), City(citycode=513400, name=凉山彝族自治州)]), 640000=Province(proadcode=640000, name=宁夏回族自治区, cities=[City(citycode=640100, name=银川市), City(citycode=640200, name=石嘴山市), City(citycode=640300, name=吴忠市), City(citycode=640400, name=固原市), City(citycode=640500, name=中卫市)]), 220000=Province(proadcode=220000, name=吉林省, cities=[City(citycode=220100, name=长春市), City(citycode=220200, name=吉林市), City(citycode=220300, name=四平市), City(citycode=220400, name=辽源市), City(citycode=220500, name=通化市), City(citycode=220600, name=白山市), City(citycode=220700, name=松原市), City(citycode=220800, name=白城市), City(citycode=222400, name=延边朝鲜族自治州)]), 350000=Province(proadcode=350000, name=福建省, cities=[City(citycode=350100, name=福州市), City(citycode=350200, name=厦门市), City(citycode=350300, name=莆田市), City(citycode=350400, name=三明市), City(citycode=350500, name=泉州市), City(citycode=350600, name=漳州市), City(citycode=350700, name=南平市), City(citycode=350800, name=龙岩市), City(citycode=350900, name=宁德市)]), 420000=Province(proadcode=420000, name=湖北省, cities=[City(citycode=420100, name=武汉市), City(citycode=420200, name=黄石市), City(citycode=420300, name=十堰市), City(citycode=420500, name=宜昌市), City(citycode=420600, name=襄阳市), City(citycode=420700, name=鄂州市), City(citycode=420800, name=荆门市), City(citycode=420900, name=孝感市), City(citycode=421000, name=荆州市), City(citycode=421100, name=黄冈市), City(citycode=421200, name=咸宁市), City(citycode=421300, name=随州市), City(citycode=422800, name=恩施土家族苗族自治州)]), 440000=Province(proadcode=440000, name=广东省, cities=[City(citycode=440100, name=广州市), City(citycode=440200, name=韶关市), City(citycode=440300, name=深圳市), City(citycode=440400, name=珠海市), City(citycode=440500, name=汕头市), City(citycode=440600, name=佛山市), City(citycode=440700, name=江门市), City(citycode=440800, name=湛江市), City(citycode=440900, name=茂名市), City(citycode=441200, name=肇庆市), City(citycode=441300, name=惠州市), City(citycode=441400, name=梅州市), City(citycode=441500, name=汕尾市), City(citycode=441600, name=河源市), City(citycode=441700, name=阳江市), City(citycode=441800, name=清远市), City(citycode=441900, name=东莞市), City(citycode=442000, name=中山市), City(citycode=445100, name=潮州市), City(citycode=445200, name=揭阳市), City(citycode=445300, name=云浮市)]), 500000=Province(proadcode=500000, name=重庆市, cities=[City(citycode=500000, name=重庆市)]), 140000=Province(proadcode=140000, name=山西省, cities=[City(citycode=140100, name=太原市), City(citycode=140200, name=大同市), City(citycode=140300, name=阳泉市), City(citycode=140400, name=长治市), City(citycode=140500, name=晋城市), City(citycode=140600, name=朔州市), City(citycode=140700, name=晋中市), City(citycode=140800, name=运城市), City(citycode=140900, name=忻州市), City(citycode=141000, name=临汾市), City(citycode=141100, name=吕梁市)]), 360000=Province(proadcode=360000, name=江西省, cities=[City(citycode=360100, name=南昌市), City(citycode=360200, name=景德镇市), City(citycode=360300, name=萍乡市), City(citycode=360400, name=九江市), City(citycode=360500, name=新余市), City(citycode=360600, name=鹰潭市), City(citycode=360700, name=赣州市), City(citycode=360800, name=吉安市), City(citycode=360900, name=宜春市), City(citycode=361000, name=抚州市), City(citycode=361100, name=上饶市)]), 230000=Province(proadcode=230000, name=黑龙江省, cities=[City(citycode=230100, name=哈尔滨市), City(citycode=230200, name=齐齐哈尔市), City(citycode=230300, name=鸡西市), City(citycode=230400, name=鹤岗市), City(citycode=230500, name=双鸭山市), City(citycode=230600, name=大庆市), City(citycode=230700, name=伊春市), City(citycode=230800, name=佳木斯市), City(citycode=230900, name=七台河市), City(citycode=231000, name=牡丹江市), City(citycode=231100, name=黑河市), City(citycode=231200, name=绥化市), City(citycode=232700, name=大兴安岭地区)]), 630000=Province(proadcode=630000, name=青海省, cities=[City(citycode=630100, name=西宁市), City(citycode=630200, name=海东市), City(citycode=632200, name=海北藏族自治州), City(citycode=632300, name=黄南藏族自治州), City(citycode=632500, name=海南藏族自治州), City(citycode=632600, name=果洛藏族自治州), City(citycode=632700, name=玉树藏族自治州), City(citycode=632800, name=海西蒙古族藏族自治州)]), 410000=Province(proadcode=410000, name=河南省, cities=[City(citycode=410100, name=郑州市), City(citycode=410200, name=开封市), City(citycode=410300, name=洛阳市), City(citycode=410400, name=平顶山市), City(citycode=410500, name=安阳市), City(citycode=410600, name=鹤壁市), City(citycode=410700, name=新乡市), City(citycode=410800, name=焦作市), City(citycode=410900, name=濮阳市), City(citycode=411000, name=许昌市), City(citycode=411100, name=漯河市), City(citycode=411200, name=三门峡市), City(citycode=411300, name=南阳市), City(citycode=411400, name=商丘市), City(citycode=411500, name=信阳市), City(citycode=411600, name=周口市), City(citycode=411700, name=驻马店市)]), 710000=Province(proadcode=710000, name=台湾省, cities=[City(citycode=710000, name=台湾省)]), 150000=Province(proadcode=150000, name=内蒙古自治区, cities=[City(citycode=150100, name=呼和浩特市), City(citycode=150200, name=包头市), City(citycode=150300, name=乌海市), City(citycode=150400, name=赤峰市), City(citycode=150500, name=通辽市), City(citycode=150600, name=鄂尔多斯市), City(citycode=150700, name=呼伦贝尔市), City(citycode=150800, name=巴彦淖尔市), City(citycode=150900, name=乌兰察布市), City(citycode=152200, name=兴安盟), City(citycode=152500, name=锡林郭勒盟), City(citycode=152900, name=阿拉善盟)]), 540000=Province(proadcode=540000, name=西藏自治区, cities=[City(citycode=540100, name=拉萨市), City(citycode=540200, name=日喀则市), City(citycode=540300, name=昌都市), City(citycode=540400, name=林芝市), City(citycode=540500, name=山南市), City(citycode=540600, name=那曲市), City(citycode=542500, name=阿里地区)]), 450000=Province(proadcode=450000, name=广西壮族自治区, cities=[City(citycode=450100, name=南宁市), City(citycode=450200, name=柳州市), City(citycode=450300, name=桂林市), City(citycode=450400, name=梧州市), City(citycode=450500, name=北海市), City(citycode=450600, name=防城港市), City(citycode=450700, name=钦州市), City(citycode=450800, name=贵港市), City(citycode=450900, name=玉林市), City(citycode=451000, name=百色市), City(citycode=451100, name=贺州市), City(citycode=451200, name=河池市), City(citycode=451300, name=来宾市), City(citycode=451400, name=崇左市)])}

22:30:51.621 [main] INFO TestCityProvinceMap - 省: 34 [110000, 120000, 130000, 140000, 150000, 210000, 220000, 230000, 310000, 320000, 330000, 340000, 350000, 360000, 370000, 410000, 420000, 430000, 440000, 450000, 460000, 500000, 510000, 520000, 530000, 540000, 610000, 620000, 630000, 640000, 650000, 710000, 810000, 820000]

22:30:51.623 [main] INFO TestCityProvinceMap - 市: 340 [City(citycode=110000, name=北京市), City(citycode=120000, name=天津市), City(citycode=130100, name=石家庄市), City(citycode=130200, name=唐山市), City(citycode=130300, name=秦皇岛市), City(citycode=130400, name=邯郸市), City(citycode=130500, name=邢台市), City(citycode=130600, name=保定市), City(citycode=130700, name=张家口市), City(citycode=130800, name=承德市), City(citycode=130900, name=沧州市), City(citycode=131000, name=廊坊市), City(citycode=131100, name=衡水市), City(citycode=140100, name=太原市), City(citycode=140200, name=大同市), City(citycode=140300, name=阳泉市), City(citycode=140400, name=长治市), City(citycode=140500, name=晋城市), City(citycode=140600, name=朔州市), City(citycode=140700, name=晋中市), City(citycode=140800, name=运城市), City(citycode=140900, name=忻州市), City(citycode=141000, name=临汾市), City(citycode=141100, name=吕梁市), City(citycode=150100, name=呼和浩特市), City(citycode=150200, name=包头市), City(citycode=150300, name=乌海市), City(citycode=150400, name=赤峰市), City(citycode=150500, name=通辽市), City(citycode=150600, name=鄂尔多斯市), City(citycode=150700, name=呼伦贝尔市), City(citycode=150800, name=巴彦淖尔市), City(citycode=150900, name=乌兰察布市), City(citycode=152200, name=兴安盟), City(citycode=152500, name=锡林郭勒盟), City(citycode=152900, name=阿拉善盟), City(citycode=210100, name=沈阳市), City(citycode=210200, name=大连市), City(citycode=210300, name=鞍山市), City(citycode=210400, name=抚顺市), City(citycode=210500, name=本溪市), City(citycode=210600, name=丹东市), City(citycode=210700, name=锦州市), City(citycode=210800, name=营口市), City(citycode=210900, name=阜新市), City(citycode=211000, name=辽阳市), City(citycode=211100, name=盘锦市), City(citycode=211200, name=铁岭市), City(citycode=211300, name=朝阳市), City(citycode=211400, name=葫芦岛市), City(citycode=220100, name=长春市), City(citycode=220200, name=吉林市), City(citycode=220300, name=四平市), City(citycode=220400, name=辽源市), City(citycode=220500, name=通化市), City(citycode=220600, name=白山市), City(citycode=220700, name=松原市), City(citycode=220800, name=白城市), City(citycode=222400, name=延边朝鲜族自治州), City(citycode=230100, name=哈尔滨市), City(citycode=230200, name=齐齐哈尔市), City(citycode=230300, name=鸡西市), City(citycode=230400, name=鹤岗市), City(citycode=230500, name=双鸭山市), City(citycode=230600, name=大庆市), City(citycode=230700, name=伊春市), City(citycode=230800, name=佳木斯市), City(citycode=230900, name=七台河市), City(citycode=231000, name=牡丹江市), City(citycode=231100, name=黑河市), City(citycode=231200, name=绥化市), City(citycode=232700, name=大兴安岭地区), City(citycode=310000, name=上海市), City(citycode=320100, name=南京市), City(citycode=320200, name=无锡市), City(citycode=320300, name=徐州市), City(citycode=320400, name=常州市), City(citycode=320500, name=苏州市), City(citycode=320600, name=南通市), City(citycode=320700, name=连云港市), City(citycode=320800, name=淮安市), City(citycode=320900, name=盐城市), City(citycode=321000, name=扬州市), City(citycode=321100, name=镇江市), City(citycode=321200, name=泰州市), City(citycode=321300, name=宿迁市), City(citycode=330100, name=杭州市), City(citycode=330200, name=宁波市), City(citycode=330300, name=温州市), City(citycode=330400, name=嘉兴市), City(citycode=330500, name=湖州市), City(citycode=330600, name=绍兴市), City(citycode=330700, name=金华市), City(citycode=330800, name=衢州市), City(citycode=330900, name=舟山市), City(citycode=331000, name=台州市), City(citycode=331100, name=丽水市), City(citycode=340100, name=合肥市), City(citycode=340200, name=芜湖市), City(citycode=340300, name=蚌埠市), City(citycode=340400, name=淮南市), City(citycode=340500, name=马鞍山市), City(citycode=340600, name=淮北市), City(citycode=340700, name=铜陵市), City(citycode=340800, name=安庆市), City(citycode=341000, name=黄山市), City(citycode=341100, name=滁州市), City(citycode=341200, name=阜阳市), City(citycode=341300, name=宿州市), City(citycode=341500, name=六安市), City(citycode=341600, name=亳州市), City(citycode=341700, name=池州市), City(citycode=341800, name=宣城市), City(citycode=350100, name=福州市), City(citycode=350200, name=厦门市), City(citycode=350300, name=莆田市), City(citycode=350400, name=三明市), City(citycode=350500, name=泉州市), City(citycode=350600, name=漳州市), City(citycode=350700, name=南平市), City(citycode=350800, name=龙岩市), City(citycode=350900, name=宁德市), City(citycode=360100, name=南昌市), City(citycode=360200, name=景德镇市), City(citycode=360300, name=萍乡市), City(citycode=360400, name=九江市), City(citycode=360500, name=新余市), City(citycode=360600, name=鹰潭市), City(citycode=360700, name=赣州市), City(citycode=360800, name=吉安市), City(citycode=360900, name=宜春市), City(citycode=361000, name=抚州市), City(citycode=361100, name=上饶市), City(citycode=370100, name=济南市), City(citycode=370200, name=青岛市), City(citycode=370300, name=淄博市), City(citycode=370400, name=枣庄市), City(citycode=370500, name=东营市), City(citycode=370600, name=烟台市), City(citycode=370700, name=潍坊市), City(citycode=370800, name=济宁市), City(citycode=370900, name=泰安市), City(citycode=371000, name=威海市), City(citycode=371100, name=日照市), City(citycode=371300, name=临沂市), City(citycode=371400, name=德州市), City(citycode=371500, name=聊城市), City(citycode=371600, name=滨州市), City(citycode=371700, name=菏泽市), City(citycode=410100, name=郑州市), City(citycode=410200, name=开封市), City(citycode=410300, name=洛阳市), City(citycode=410400, name=平顶山市), City(citycode=410500, name=安阳市), City(citycode=410600, name=鹤壁市), City(citycode=410700, name=新乡市), City(citycode=410800, name=焦作市), City(citycode=410900, name=濮阳市), City(citycode=411000, name=许昌市), City(citycode=411100, name=漯河市), City(citycode=411200, name=三门峡市), City(citycode=411300, name=南阳市), City(citycode=411400, name=商丘市), City(citycode=411500, name=信阳市), City(citycode=411600, name=周口市), City(citycode=411700, name=驻马店市), City(citycode=420100, name=武汉市), City(citycode=420200, name=黄石市), City(citycode=420300, name=十堰市), City(citycode=420500, name=宜昌市), City(citycode=420600, name=襄阳市), City(citycode=420700, name=鄂州市), City(citycode=420800, name=荆门市), City(citycode=420900, name=孝感市), City(citycode=421000, name=荆州市), City(citycode=421100, name=黄冈市), City(citycode=421200, name=咸宁市), City(citycode=421300, name=随州市), City(citycode=422800, name=恩施土家族苗族自治州), City(citycode=430100, name=长沙市), City(citycode=430200, name=株洲市), City(citycode=430300, name=湘潭市), City(citycode=430400, name=衡阳市), City(citycode=430500, name=邵阳市), City(citycode=430600, name=岳阳市), City(citycode=430700, name=常德市), City(citycode=430800, name=张家界市), City(citycode=430900, name=益阳市), City(citycode=431000, name=郴州市), City(citycode=431100, name=永州市), City(citycode=431200, name=怀化市), City(citycode=431300, name=娄底市), City(citycode=433100, name=湘西土家族苗族自治州), City(citycode=440100, name=广州市), City(citycode=440200, name=韶关市), City(citycode=440300, name=深圳市), City(citycode=440400, name=珠海市), City(citycode=440500, name=汕头市), City(citycode=440600, name=佛山市), City(citycode=440700, name=江门市), City(citycode=440800, name=湛江市), City(citycode=440900, name=茂名市), City(citycode=441200, name=肇庆市), City(citycode=441300, name=惠州市), City(citycode=441400, name=梅州市), City(citycode=441500, name=汕尾市), City(citycode=441600, name=河源市), City(citycode=441700, name=阳江市), City(citycode=441800, name=清远市), City(citycode=441900, name=东莞市), City(citycode=442000, name=中山市), City(citycode=445100, name=潮州市), City(citycode=445200, name=揭阳市), City(citycode=445300, name=云浮市), City(citycode=450100, name=南宁市), City(citycode=450200, name=柳州市), City(citycode=450300, name=桂林市), City(citycode=450400, name=梧州市), City(citycode=450500, name=北海市), City(citycode=450600, name=防城港市), City(citycode=450700, name=钦州市), City(citycode=450800, name=贵港市), City(citycode=450900, name=玉林市), City(citycode=451000, name=百色市), City(citycode=451100, name=贺州市), City(citycode=451200, name=河池市), City(citycode=451300, name=来宾市), City(citycode=451400, name=崇左市), City(citycode=460100, name=海口市), City(citycode=460200, name=三亚市), City(citycode=460300, name=三沙市), City(citycode=460400, name=儋州市), City(citycode=500000, name=重庆市), City(citycode=510100, name=成都市), City(citycode=510300, name=自贡市), City(citycode=510400, name=攀枝花市), City(citycode=510500, name=泸州市), City(citycode=510600, name=德阳市), City(citycode=510700, name=绵阳市), City(citycode=510800, name=广元市), City(citycode=510900, name=遂宁市), City(citycode=511000, name=内江市), City(citycode=511100, name=乐山市), City(citycode=511300, name=南充市), City(citycode=511400, name=眉山市), City(citycode=511500, name=宜宾市), City(citycode=511600, name=广安市), City(citycode=511700, name=达州市), City(citycode=511800, name=雅安市), City(citycode=511900, name=巴中市), City(citycode=512000, name=资阳市), City(citycode=513200, name=阿坝藏族羌族自治州), City(citycode=513300, name=甘孜藏族自治州), City(citycode=513400, name=凉山彝族自治州), City(citycode=520100, name=贵阳市), City(citycode=520200, name=六盘水市), City(citycode=520300, name=遵义市), City(citycode=520400, name=安顺市), City(citycode=520500, name=毕节市), City(citycode=520600, name=铜仁市), City(citycode=522300, name=黔西南布依族苗族自治州), City(citycode=522600, name=黔东南苗族侗族自治州), City(citycode=522700, name=黔南布依族苗族自治州), City(citycode=530100, name=昆明市), City(citycode=530300, name=曲靖市), City(citycode=530400, name=玉溪市), City(citycode=530500, name=保山市), City(citycode=530600, name=昭通市), City(citycode=530700, name=丽江市), City(citycode=530800, name=普洱市), City(citycode=530900, name=临沧市), City(citycode=532300, name=楚雄彝族自治州), City(citycode=532500, name=红河哈尼族彝族自治州), City(citycode=532600, name=文山壮族苗族自治州), City(citycode=532800, name=西双版纳傣族自治州), City(citycode=532900, name=大理白族自治州), City(citycode=533100, name=德宏傣族景颇族自治州), City(citycode=533300, name=怒江傈僳族自治州), City(citycode=533400, name=迪庆藏族自治州), City(citycode=540100, name=拉萨市), City(citycode=540200, name=日喀则市), City(citycode=540300, name=昌都市), City(citycode=540400, name=林芝市), City(citycode=540500, name=山南市), City(citycode=540600, name=那曲市), City(citycode=542500, name=阿里地区), City(citycode=610100, name=西安市), City(citycode=610200, name=铜川市), City(citycode=610300, name=宝鸡市), City(citycode=610400, name=咸阳市), City(citycode=610500, name=渭南市), City(citycode=610600, name=延安市), City(citycode=610700, name=汉中市), City(citycode=610800, name=榆林市), City(citycode=610900, name=安康市), City(citycode=611000, name=商洛市), City(citycode=620100, name=兰州市), City(citycode=620200, name=嘉峪关市), City(citycode=620300, name=金昌市), City(citycode=620400, name=白银市), City(citycode=620500, name=天水市), City(citycode=620600, name=武威市), City(citycode=620700, name=张掖市), City(citycode=620800, name=平凉市), City(citycode=620900, name=酒泉市), City(citycode=621000, name=庆阳市), City(citycode=621100, name=定西市), City(citycode=621200, name=陇南市), City(citycode=622900, name=临夏回族自治州), City(citycode=623000, name=甘南藏族自治州), City(citycode=630100, name=西宁市), City(citycode=630200, name=海东市), City(citycode=632200, name=海北藏族自治州), City(citycode=632300, name=黄南藏族自治州), City(citycode=632500, name=海南藏族自治州), City(citycode=632600, name=果洛藏族自治州), City(citycode=632700, name=玉树藏族自治州), City(citycode=632800, name=海西蒙古族藏族自治州), City(citycode=640100, name=银川市), City(citycode=640200, name=石嘴山市), City(citycode=640300, name=吴忠市), City(citycode=640400, name=固原市), City(citycode=640500, name=中卫市), City(citycode=650100, name=乌鲁木齐市), City(citycode=650200, name=克拉玛依市), City(citycode=650400, name=吐鲁番市), City(citycode=650500, name=哈密市), City(citycode=652300, name=昌吉回族自治州), City(citycode=652700, name=博尔塔拉蒙古自治州), City(citycode=652800, name=巴音郭楞蒙古自治州), City(citycode=652900, name=阿克苏地区), City(citycode=653000, name=克孜勒苏柯尔克孜自治州), City(citycode=653100, name=喀什地区), City(citycode=653200, name=和田地区), City(citycode=654000, name=伊犁哈萨克自治州), City(citycode=654200, name=塔城地区), City(citycode=654300, name=阿勒泰地区), City(citycode=710000, name=台湾省), City(citycode=810000, name=香港特别行政区), City(citycode=820000, name=澳门特别行政区)]

2.源码

2.1 Java CSV文件读取、写入及追加工具类

2.2 TestCityProvinceMap.java

import com.alibaba.fastjson.JSON;

import com.alibaba.fastjson.JSONArray;

import com.alibaba.fastjson.JSONObject;

import com.google.gson.Gson;

import com.google.gson.GsonBuilder;

import com.google.gson.JsonArray;

import com.google.gson.JsonElement;

import com.google.gson.reflect.TypeToken;

import com.utils.CSVUtil;

import lombok.AllArgsConstructor;

import lombok.Builder;

import lombok.Data;

import lombok.NoArgsConstructor;

import lombok.extern.slf4j.Slf4j;

import org.junit.jupiter.api.Test;

import java.io.File;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.stream.Collectors;

/*************************************

*Class Name: TestCityProvinceMap

*Description: <读取城市省份map> adcode共6位，前俩位省/直辖市/自治区，前4位城市，6位区县等；

*@author: Seminar

*@create: 2022/10/18

*@since 1.0.0

*************************************/

@Slf4j

public class TestCityProvinceMap {

private static Map cityMap = new HashMap<>(); // 城市map code4位

private static Map provinceMap = new HashMap<>();// 省份map code俩位

@Test

public void testCityProvinceMap() {

cityMap = initCityProvinceMap(cityMap);

Map finalCityMap = cityMap;

System.out.println("provinceMap");

provinceMap.keySet().stream().sorted().forEach(x -> {

System.out.println(x + "=" + provinceMap.get(x));

});

System.out.println("cityMap");

cityMap.keySet().stream().sorted().forEach(x -> {

System.out.println(x + "=" + finalCityMap.get(x));

});

}

private Map initCityProvinceMap(Map cityMap) {

List stringList = CSVUtil.importCsv(new File(System.getProperty("user.dir") + File.separator + "city.txt"));

if (stringList.isEmpty()) return cityMap;

stringList.subList(1, stringList.size()).stream().forEach(x -> {

if (x.contains("省") || x.contains("0000")) {

provinceMap.put(x.split(",")[0].substring(0, 2), x.split(",")[1]);

cityMap.put(x.split(",")[0].substring(0, 4), x.split(",")[1]);// 既是省/直辖市/自治区

} else if (x.contains("00,")) { // 市

cityMap.put(x.split(",")[0].substring(0, 4), x.split(",")[1]);

cityMap.put(x.split(",")[0], x.split(",")[1]);

} /*else { // 区/县

cityMap.put(x.split(",")[0], x.split(",")[1]);

}*/

});

log.info("provinceMap: {} {}", provinceMap.size(), provinceMap);

log.info("cityMap: {} {}", cityMap.size(), cityMap);

return cityMap;

}

@Test

public void getCityJs() {

List stringList = CSVUtil.importCsv(new File(System.getProperty("user.dir") + File.separator + "city.txt"));

if (stringList.isEmpty()) return;

Map map = new HashMap<>();

stringList.subList(1, stringList.size()).stream().forEach(x -> {

if (x.contains("省") || x.contains("0000")) {

Province province = Province.builder()

.proadcode(x.split(",")[0])

.name(x.split(",")[1])

.cities(new ArrayList<>()).build();

map.put(x.split(",")[0], province);

} else if (x.contains("00,")) { // 市

String procode = x.split(",")[0].substring(0, 2) + "0000";

City city = City.builder()

.citycode(x.split(",")[0])

.name(x.split(",")[1])

.build();

if (!map.containsKey(procode)) {

Province province = Province.builder()

.proadcode(x.split(",")[0])

.name(x.split(",")[1])

.cities(new ArrayList<>()).build();

map.put(procode, province);

}

map.get(procode).getCities().add(city);

} /*else { // 区/县

}*/

});

// 判断类似北京市，既是市，又是省，则初始化市

map.entrySet().forEach(x -> {

City city = City.builder()

.citycode(x.getKey())

.name(x.getValue().getName())

.build();

if (x.getValue().getCities().isEmpty()) {

x.getValue().getCities().add(city);

}

});

log.info("map: {} {}", map.size(), map);

log.info("省: {} {}", map.size(), map.keySet().stream().sorted().collect(Collectors.toList()));

log.info("市: {} {}", map.values().stream().flatMap(x -> x.getCities().stream()).collect(Collectors.toList()).size(),

map.values().stream().flatMap(x -> x.getCities().stream()).sorted(City::getCityCode).collect(Collectors.toList()));

JSONArray jsonArray = new JSONArray();

map.keySet().stream().sorted().forEach(x -> {

JSONObject object = (JSONObject) JSON.parse(JSON.toJSONString(map.get(x)));

jsonArray.add(object);

});

// List