所有城市及经纬度数据（2021-8-28）

中国所有城市（只有城市，没有省、区等），JSON格式。

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110.299121,"latitude": 25.274215},{"letter": "W","name": "梧州市","longitude": 111.297604,"latitude": 23.474803},{"letter": "B","name": "北海市","longitude": 109.119254,"latitude": 21.473343},{"letter": "F","name": "防城港市","longitude": 108.345478,"latitude": 21.614631},{"letter": "Q","name": "钦州市","longitude": 108.624175,"latitude": 21.967127},{"letter": "G","name": "贵港市","longitude": 109.602146,"latitude": 23.0936},{"letter": "Y","name": "玉林市","longitude": 110.154393,"latitude": 22.63136},{"letter": "B","name": "百色市","longitude": 106.616285,"latitude": 23.897742},{"letter": "H","name": "贺州市","longitude": 111.552056,"latitude": 24.414141},{"letter": "H","name": "河池市","longitude": 108.062105,"latitude": 24.695899},{"letter": "L","name": "来宾市","longitude": 109.229772,"latitude": 23.733766},{"letter": "C","name": "崇左市","longitude": 107.353926,"latitude": 22.404108},{"letter": "H","name": "海口市","longitude": 110.33119,"latitude": 20.031971},{"letter": "S","name": "三亚市","longitude": 109.508268,"latitude": 18.247872},{"letter": "S","name": "三沙市","longitude": 112.34882,"latitude": 16.831039},{"letter": "D","name": "儋州市","longitude": 109.576782,"latitude": 19.517486},{"letter": "W","name": "五指山市","longitude": 109.516662,"latitude": 18.776921},{"letter": "Q","name": "琼海市","longitude": 110.466785,"latitude": 19.246011},{"letter": "W","name": "文昌市","longitude": 110.753975,"latitude": 19.612986},{"letter": "W","name": "万宁市","longitude": 110.388793,"latitude": 18.796216},{"letter": "D","name": "东方市","longitude": 108.653789,"latitude": 19.10198},{"letter": "D","name": "定安县","longitude": 110.349235,"latitude": 19.684966},{"letter": "T","name": "屯昌县","longitude": 110.102773,"latitude": 19.362916},{"letter": "C","name": "澄迈县","longitude": 110.007147,"latitude": 19.737095},{"letter": "L","name": "临高县","longitude": 109.687697,"latitude": 19.908293},{"letter": "B","name": "白沙黎族自治县","longitude": 109.452606,"latitude": 19.224584},{"letter": "C","name": "昌江黎族自治县","longitude": 109.053351,"latitude": 19.260968},{"letter": "L","name": "乐东黎族自治县","longitude": 109.175444,"latitude": 18.74758},{"letter": "L","name": "陵水黎族自治县","longitude": 110.037218,"latitude": 18.505006},{"letter": "B","name": "保亭黎族苗族自治县","longitude": 109.70245,"latitude": 18.636371},{"letter": "Q","name": "琼中黎族苗族自治县","longitude": 109.839996,"latitude": 19.03557},{"letter": "Z","name": "重庆市","longitude": 106.504962,"latitude": 29.533155},{"letter": "C","name": "成都市","longitude": 104.065735,"latitude": 30.659462},{"letter": "Z","name": "自贡市","longitude": 104.773447,"latitude": 29.352765},{"letter": "P","name": "攀枝花市","longitude": 101.716007,"latitude": 26.580446},{"letter": "L","name": "泸州市","longitude": 105.443348,"latitude": 28.889138},{"letter": "D","name": "德阳市","longitude": 104.398651,"latitude": 31.127991},{"letter": "M","name": "绵阳市","longitude": 104.741722,"latitude": 31.46402},{"letter": "G","name": "广元市","longitude": 105.829757,"latitude": 32.433668},{"letter": "S","name": "遂宁市","longitude": 105.571331,"latitude": 30.513311},{"letter": "U","name": "内江市","longitude": 105.066138,"latitude": 29.58708},{"letter": "L","name": "乐山市","longitude": 103.761263,"latitude": 29.582024},{"letter": "U","name": "南充市","longitude": 106.082974,"latitude": 30.795281},{"letter": "M","name": "眉山市","longitude": 103.831788,"latitude": 30.048318},{"letter": "Y","name": "宜宾市","longitude": 104.630825,"latitude": 28.760189},{"letter": "G","name": "广安市","longitude": 106.633369,"latitude": 30.456398},{"letter": "D","name": "达州市","longitude": 107.502262,"latitude": 31.209484},{"letter": "Y","name": "雅安市","longitude": 103.001033,"latitude": 29.987722},{"letter": "B","name": "巴中市","longitude": 106.753669,"latitude": 31.858809},{"letter": "Z","name": "资阳市","longitude": 104.641917,"latitude": 30.122211},{"letter": "A","name": "阿坝藏族羌族自治州","longitude": 102.221374,"latitude": 31.899792},{"letter": "G","name": "甘孜藏族自治州","longitude": 101.963815,"latitude": 30.050663},{"letter": "L","name": "凉山彝族自治州","longitude": 102.258746,"latitude": 27.886762},{"letter": "G","name": "贵阳市","longitude": 106.713478,"latitude": 26.578343},{"letter": "L","name": "六盘水市","longitude": 104.846743,"latitude": 26.584643},{"letter": "Z","name": "遵义市","longitude": 106.937265,"latitude": 27.706626},{"letter": "A","name": "安顺市","longitude": 105.932188,"latitude": 26.245544},{"letter": "B","name": "毕节市","longitude": 105.28501,"latitude": 27.301693},{"letter": "T","name": "铜仁市","longitude": 109.191555,"latitude": 27.718346},{"letter": "Q","name": "黔西南布依族苗族自治州","longitude": 104.897971,"latitude": 25.08812},{"letter": "Q","name": "黔东南苗族侗族自治州","longitude": 107.977488,"latitude": 26.583352},{"letter": "Q","name": "黔南布依族苗族自治州","longitude": 107.517156,"latitude": 26.258219},{"letter": "K","name": "昆明市","longitude": 102.712251,"latitude": 25.040609},{"letter": "Q","name": "曲靖市","longitude": 103.797851,"latitude": 25.501557},{"letter": "Y","name": "玉溪市","longitude": 102.543907,"latitude": 24.350461},{"letter": "B","name": "保山市","longitude": 99.167133,"latitude": 25.111802},{"letter": "Z","name": "昭通市","longitude": 103.717216,"latitude": 27.336999},{"letter": "L","name": "丽江市","longitude": 100.233026,"latitude": 26.872108},{"letter": "P","name": "普洱市","longitude": 100.972344,"latitude": 22.777321},{"letter": "L","name": "临沧市","longitude": 100.08697,"latitude": 23.886567},{"letter": "C","name": "楚雄彝族自治州","longitude": 101.546046,"latitude": 25.041988},{"letter": "H","name": "红河哈尼族彝族自治州","longitude": 103.384182,"latitude": 23.366775},{"letter": "W","name": "文山壮族苗族自治州","longitude": 104.24401,"latitude": 23.36951},{"letter": "X","name": "西双版纳傣族自治州","longitude": 100.797941,"latitude": 22.001724},{"letter": "D","name": "大理白族自治州","longitude": 100.225668,"latitude": 25.589449},{"letter": "D","name": "德宏傣族景颇族自治州","longitude": 98.578363,"latitude": 24.436694},{"letter": "U","name": "怒江傈僳族自治州","longitude": 98.854304,"latitude": 25.850949},{"letter": "D","name": "迪庆藏族自治州","longitude": 99.706463,"latitude": 27.826853},{"letter": "L","name": "拉萨市","longitude": 91.132212,"latitude": 29.660361},{"letter": "R","name": "日喀则市","longitude": 88.885148,"latitude": 29.267519},{"letter": "C","name": "昌都市","longitude": 97.178452,"latitude": 31.136875},{"letter": "L","name": "林芝市","longitude": 94.362348,"latitude": 29.654693},{"letter": "S","name": "山南市","longitude": 91.766529,"latitude": 29.236023},{"letter": "U","name": "那曲市","longitude": 92.060214,"latitude": 31.476004},{"letter": "A","name": "阿里地区","longitude": 80.105498,"latitude": 32.503187},{"letter": "X","name": "西安市","longitude": 108.948024,"latitude": 34.263161},{"letter": "T","name": "铜川市","longitude": 108.979608,"latitude": 34.916582},{"letter": "B","name": "宝鸡市","longitude": 107.14487,"latitude": 34.369315},{"letter": "X","name": "咸阳市","longitude": 108.705117,"latitude": 34.333439},{"letter": "W","name": "渭南市","longitude": 109.502882,"latitude": 34.499381},{"letter": "Y","name": "延安市","longitude": 109.49081,"latitude": 36.596537},{"letter": "H","name": "汉中市","longitude": 107.028621,"latitude": 33.077668},{"letter": "Y","name": "榆林市","longitude": 109.741193,"latitude": 38.290162},{"letter": "A","name": "安康市","longitude": 109.029273,"latitude": 32.6903},{"letter": "S","name": "商洛市","longitude": 109.939776,"latitude": 33.868319},{"letter": "L","name": "兰州市","longitude": 103.823557,"latitude": 36.058039},{"letter": "J","name": "嘉峪关市","longitude": 98.277304,"latitude": 39.786529},{"letter": "J","name": "金昌市","longitude": 102.187888,"latitude": 38.514238},{"letter": "B","name": "白银市","longitude": 104.173606,"latitude": 36.54568},{"letter": "T","name": "天水市","longitude": 105.724998,"latitude": 34.578529},{"letter": "W","name": "武威市","longitude": 102.634697,"latitude": 37.929996},{"letter": "Z","name": "张掖市","longitude": 100.455472,"latitude": 38.932897},{"letter": "P","name": "平凉市","longitude": 106.684691,"latitude": 35.54279},{"letter": "J","name": "酒泉市","longitude": 98.510795,"latitude": 39.744023},{"letter": "Q","name": "庆阳市","longitude": 107.638372,"latitude": 35.734218},{"letter": "D","name": "定西市","longitude": 104.626294,"latitude": 35.579578},{"letter": "L","name": "陇南市","longitude": 104.929379,"latitude": 33.388598},{"letter": "L","name": "临夏回族自治州","longitude": 103.212006,"latitude": 35.599446},{"letter": "G","name": "甘南藏族自治州","longitude": 102.911008,"latitude": 34.986354},{"letter": "X","name": "西宁市","longitude": 101.778916,"latitude": 36.623178},{"letter": "H","name": "海东市","longitude": 102.10327,"latitude": 36.502916},{"letter": "H","name": "海北藏族自治州","longitude": 100.901059,"latitude": 36.959435},{"letter": "H","name": "黄南藏族自治州","longitude": 102.019988,"latitude": 35.517744},{"letter": "H","name": "海南藏族自治州","longitude": 100.619542,"latitude": 36.280353},{"letter": "G","name": "果洛藏族自治州","longitude": 100.242143,"latitude": 34.4736},{"letter": "Y","name": "玉树藏族自治州","longitude": 97.008522,"latitude": 33.004049},{"letter": "H","name": "海西蒙古族藏族自治州","longitude": 97.370785,"latitude": 37.374663},{"letter": "Y","name": "银川市","longitude": 106.278179,"latitude": 38.46637},{"letter": "S","name": "石嘴山市","longitude": 106.376173,"latitude": 39.01333},{"letter": "W","name": "吴忠市","longitude": 106.199409,"latitude": 37.986165},{"letter": "G","name": "固原市","longitude": 106.285241,"latitude": 36.004561},{"letter": "Z","name": "中卫市","longitude": 105.189568,"latitude": 37.514951},{"letter": "W","name": "乌鲁木齐市","longitude": 87.617733,"latitude": 43.792818},{"letter": "K","name": "克拉玛依市","longitude": 84.873946,"latitude": 45.595886},{"letter": "T","name": "吐鲁番市","longitude": 89.184078,"latitude": 42.947613},{"letter": "H","name": "哈密市","longitude": 93.51316,"latitude": 42.833248},{"letter": "C","name": "昌吉回族自治州","longitude": 87.304012,"latitude": 44.014577},{"letter": "B","name": "博尔塔拉蒙古自治州","longitude": 82.074778,"latitude": 44.903258},{"letter": "B","name": "巴音郭楞蒙古自治州","longitude": 86.150969,"latitude": 41.768552},{"letter": "A","name": "阿克苏地区","longitude": 80.265068,"latitude": 41.170712},{"letter": "K","name": "克孜勒苏柯尔克孜自治州","longitude": 76.172825,"latitude": 39.713431},{"letter": "K","name": "喀什地区","longitude": 75.989138,"latitude": 39.467664},{"letter": "H","name": "和田地区","longitude": 79.92533,"latitude": 37.110687},{"letter": "Y","name": "伊犁哈萨克自治州","longitude": 81.317946,"latitude": 43.92186},{"letter": "S","name": "塔城地区","longitude": 82.985732,"latitude": 46.746301},{"letter": "A","name": "阿勒泰地区","longitude": 88.13963,"latitude": 47.848393},{"letter": "S","name": "石河子市","longitude": 86.041075,"latitude": 44.305886},{"letter": "A","name": "阿拉尔市","longitude": 81.285884,"latitude": 40.541914},{"letter": "T","name": "图木舒克市","longitude": 79.077978,"latitude": 39.867316},{"letter": "W","name": "五家渠市","longitude": 87.526884,"latitude": 44.167401},{"letter": "B","name": "北屯市","longitude": 87.824932,"latitude": 47.353177},{"letter": "T","name": "铁门关市","longitude": 85.501218,"latitude": 41.827251},{"letter": "S","name": "双河市","longitude": 82.353656,"latitude": 44.840524},{"letter": "K","name": "可克达拉市","longitude": 80.63579,"latitude": 43.6832},{"letter": "K","name": "昆玉市","longitude": 79.287372,"latitude": 37.207994},{"letter": "H","name": "胡杨河市","longitude": 84.8275959,"latitude": 44.69288853},{"letter": "S","name": "台湾省","longitude": 121.509062,"latitude": 25.044332},{"letter": "X","name": "香港特别行政区","longitude": 114.173355,"latitude": 22.320048},{"letter": "A","name": "澳门特别行政区","longitude": 113.54909,"latitude": 22.198951}
]

数据放最上面，这里记录一下我的业务场景及获取方式。首先，我的业务场景是一个城市选择页面，类似美团，只需要市级数据，并且需要根据城市名的首字母（我保存了“letter”属性）进行分组。我的做法是先用python从数据接口获取数据并写入json文件，然后用java（python玩的少，不熟）的stream流进行分组输出。

数据来源：阿里云datav

需要省市区数据的都可以从该数据源获取数据，然后格式化成自己需要的数据

爬虫源码（记录）

import json
import requestsdef get_feature_list(url):print(url)r = requests.get(url)data = json.loads(r.text)return data['features']def single_get_first(unicode1):str1 = unicode1.encode('gbk')try:ord(str1)return str1except:asc = str1[0] * 256 + str1[1] - 65536if asc >= -20319 and asc <= -20284:return 'A'if asc >= -20283 and asc <= -19776:return 'B'if asc >= -19775 and asc <= -19219:return 'C'if asc >= -19218 and asc <= -18711:return 'D'if asc >= -18710 and asc <= -18527:return 'E'if asc >= -18526 and asc <= -18240:return 'F'if asc >= -18239 and asc <= -17923:return 'G'if asc >= -17922 and asc <= -17418:return 'H'if asc >= -17417 and asc <= -16475:return 'J'if asc >= -16474 and asc <= -16213:return 'K'if asc >= -16212 and asc <= -15641:return 'L'if asc >= -15640 and asc <= -15166:return 'M'if asc >= -15165 and asc <= -14923:return 'U'if asc >= -14922 and asc <= -14915:return 'O'if asc >= -14914 and asc <= -14631:return 'P'if asc >= -14630 and asc <= -14150:return 'Q'if asc >= -14149 and asc <= -14091:return 'R'if asc >= -14090 and asc <= -13119:return 'S'if asc >= -13118 and asc <= -12839:return 'T'if asc >= -12838 and asc <= -12557:return 'W'if asc >= -12556 and asc <= -11848:return 'X'if asc >= -11847 and asc <= -11056:return 'Y'if asc >= -11055 and asc <= -10247:return 'Z'return ''def getPinyin(string):if string == None:return Nonelst = list(string)charLst = []for l in lst:charLst.append(single_get_first(l))return ''.join(charLst)if __name__ == '__main__':citys = []data = get_feature_list('https://geo.datav.aliyun.com/areas_v3/bound/100000_full.json')for item in data:properties = item['properties']province = properties['name']if province == '':continueif province == '北京市' or province == '天津市' or province == '上海市' or province == '重庆市' or province == '台湾省' or province == '香港特别行政区' or province == '澳门特别行政区':citys.append({"letter": getPinyin(province[0]),"name": province,"longitude": properties['center'][0],"latitude": properties['center'][1]})else :cityData = get_feature_list('https://geo.datav.aliyun.com/areas_v3/bound/' + str(properties['adcode']) + '_full.json')for itemx in cityData:propertiesx = itemx['properties']city = propertiesx['name']try:citys.append({"letter": getPinyin(city[0]),"name": city,"longitude": propertiesx['center'][0],"latitude": propertiesx['center'][1]})except:continuefile = open('./citys.json', mode='w+', encoding='utf-8')file.write(json.dumps(citys, ensure_ascii=False))

java分组：

package com.common;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;public class Test {public static void main(String[] args) {File file = new File("D:/citys.json");BufferedReader reader = null;StringBuffer sbf = new StringBuffer();try {reader = new BufferedReader(new FileReader(file));String tempStr;while ((tempStr = reader.readLine()) != null) {sbf.append(tempStr);}reader.close();} catch (IOException e) {e.printStackTrace();} finally {if (reader != null) {try {reader.close();} catch (IOException e1) {e1.printStackTrace();}}}List<JSONObject> list = JSONArray.parseArray(sbf.toString(), JSONObject.class);Map<String, List<JSONObject>> letter = list.stream().collect(Collectors.groupingBy(item -> item.getString("letter")));List<JSONObject> lastList = new ArrayList<>();letter.forEach((key, value) -> {JSONObject object = new JSONObject();object.put("letter", key);object.put("data", value.stream());lastList.add(object);});System.out.println(lastList);}}

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