高德地图根据经纬度获取具体城市信息

上代码

package com.hw8.coingame.util;

import net.sf.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;


/**
 * 创建人:柳月廷
 * 作用域:根据经纬度获取城市名
 * @version 1.0
 * @return：
 * @since 2019/7/31 10:36
 */
public class MapUtil {


    /**
     * 高德地图的key
     * 申请高德地图key
     */
    private static final String key = "自己申请的key";

    public static String getCoordinate(String lng, String lat) throws IOException {

        StringBuilder resultData = new StringBuilder();
        StringBuilder https = new StringBuilder("http://restapi.amap.com/v3/geocode/regeo?key=");
        //经纬度地址
        StringBuilder localhost = new StringBuilder("&location="+lng+","+lat);
        StringBuilder httpsTail = new StringBuilder("&poitype=&radius=&extensions=base&batch=true");
        String url = https.append(key).append(localhost).append(httpsTail).toString();
        //拼接出来的地址
        //System.out.println(https1.append(key).append(localhost1).append(httpsTail).toString());
        // String url ="http://restapi.amap.com/v3/geocode/regeo?key=自己申请的key&location=116.310003,39.991957&poitype=&radius=&extensions=base&batch=true&roadlevel=";
        URL myURL = null;
        URLConnection httpsConn = null;
        try {
            myURL = new URL(url);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        InputStreamReader insr = null;
        BufferedReader br = null;
        try {
            httpsConn = myURL.openConnection();// 不使用代理
            if (httpsConn != null) {
                insr = new InputStreamReader(httpsConn.getInputStream(), "UTF-8");
                br = new BufferedReader(insr);
                String data = null;
                while ((data = br.readLine()) != null) {
                    resultData.append(data);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (insr != null) {
                insr.close();
            }
            if (br != null) {
                br.close();
            }
        }
        if (resultData.toString().indexOf("regeocodes") == 0) {
            return null;
        }
        String str = JSONObject.fromObject(resultData.toString()).getString("regeocodes");
        //城市切割
        String[] strr = str.split("\",\"city\":\"");
        if (strr.length < 2 && strr.length == 1) {
            //直辖市
            String[] sr = str.split("\"province\":\"");
            String[] srr = sr[1].split("\",\"city");
            return srr[0];
        }
        //非直辖市
        String[] strrr = strr[1].split("\",\"citycode\":");
        return strrr[0];
    }


  public static void main(String[] args) {
        try {
        //测试使用
            System.out.println(getCoordinate("107.6493856959542", "35.71521598356201"));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
返回的json·
{"status":"1","info":"OK","infocode":"10000","regeocodes":[{"formatted_address":"甘肃省庆阳市西峰区南街街道金江名都B区金江名都","addressComponent":{"country":"中国","province":"甘肃省","city":"庆阳市","citycode":"0934","district":"西峰区","adcode":"621002","township":"南街街道","towncode":"621002002000","neighborhood":{"name":[],"type":[]},"building":{"name":[],"type":[]},"streetNumber":{"street":"顺化东路","number":"5号","location":"107.648919,35.71419","direction":"西南","distance":"121.643"},"businessAreas":[{"location":"107.642376,35.730344","name":"庆阳","id":"621002"}]}}]}