经纬度转换

百度API

百度API官网登入后点击控制台，选择应用管理、我的应用、创建应用，等应用创建成功后复制访问应用AK的值；

经纬度转换工具类

      <dependency>
          <groupId>org.apache.httpcomponents</groupId>
          <artifactId>httpclient</artifactId>
          <version>4.5.5</version>
      </dependency>
      <dependency>
          <groupId>commons-httpclient</groupId>
          <artifactId>commons-httpclient</artifactId>
          <version>3.1</version>
      </dependency>

      <dependency>
          <groupId>com.alibaba</groupId>
          <artifactId>fastjson</artifactId>
          <version>1.2.83</version>
      </dependency>

import com.alibaba.fastjson.JSON;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.springframework.stereotype.Component;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;





/**
 * @Description : 百度地图地址解析
 * @Author : Bruce Lee
 * @CreateTime : 2024/1/12
 */

@Component
public class GetAddressUtil {
    private static final  String AK = "e5A5xSv2kfWsVexvXQsvhCCkqa99PGjq";
    //由于接口请求有时候无法得到响应，故循环调用五次
    public static Map<String,String> getMap(String address){
        Map<String,String> map = null;
        for(int i=0;i<5;i++){
            map =getGeocoderLatitude(address);
            if(map!= null){
                break;
            }
        }
        return map;
    }
    /**
     * 返回输入地址的经纬度坐标
     * key lng(经度),lat(纬度)
     */
    public static Map<String,String> getGeocoderLatitude(String address){
        BufferedReader in = null;
        try {
            //将地址转换成utf-8的16进制
            address = URLEncoder.encode(address, "UTF-8");
            URL tirc = new URL("http://api.map.baidu.com/geocoder?address="+ address +"&output=json&key="+ AK);
            in = new BufferedReader(new InputStreamReader(tirc.openStream(),"UTF-8"));
            String res;
            StringBuilder sb = new StringBuilder("");
            while((res = in.readLine())!=null){
                sb.append(res.trim());
            }
            String str = sb.toString();
            Map<String,String> map = null;
            if(StringUtils.isNotEmpty(str)){
                int lngStart = str.indexOf("lng\":");
                int lngEnd = str.indexOf(",\"lat");
                int latEnd = str.indexOf("},\"precise");
                if(lngStart > 0 && lngEnd > 0 && latEnd > 0){
                    String lng = str.substring(lngStart+5, lngEnd);
                    String lat = str.substring(lngEnd+7, latEnd);
                    map = new HashMap<String,String>();
                    map.put("lng", lng);
                    map.put("lat", lat);
                    return map;
                }
            }
        }catch (Exception e) {
            e.printStackTrace();
        }finally{
            try {
                in.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }
    //经纬度转地址
    public static String getAddressByLngAndLat(String lat,String lng){
        String location = lat+","+lng;
        String url="http://api.map.baidu.com/reverse_geocoding/v3/?ak="+AK+"&output=json&coordtype=bd09ll&location="+location;
        String res=acquire(url);

        //获取详细地址
           String addressLocation= JSON.parseObject(res).getJSONObject("result").getString("formatted_address");
        //获取省份
//        String province="";
//        if(res.contains("province")){
//            province= JSON.parseObject(res).getJSONObject("result").getJSONObject("addressComponent").getString("province");
//        }


        // System.out.println(addressLocation);
        return addressLocation;

    }
    //Http处理函数
    public static String acquire(String url){
        CloseableHttpClient httpClient= HttpClientBuilder.create().build();
        HttpGet httpGet=new HttpGet(url);
        CloseableHttpResponse response=null;
        try {
            response=httpClient.execute(httpGet);
            HttpEntity responseEntity=response.getEntity();
            if (responseEntity!=null){
                return EntityUtils.toString(responseEntity);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                if(httpClient!=null){
                    httpClient.close();
                }
                if (response!=null){
                    response.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }
}

高德API

经纬度转化工具类

import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang3.StringUtils;

import java.io.BufferedReader;
import java.io.InputStreamReader;

import java.net.HttpURLConnection;
import java.net.URL;

/**
 * @Description : 通过经纬度使用高德接口获取地址信息
 * @Author : 
 * @CreateTime : 2025/2/17
 */

public class AddressAmapUtil {
    private static final String GD_URL = "https://restapi.amap.com/v3/geocode/regeo?output=json&location=";
    private static final String KEY = "0dc6b5ca2327cf1";


    public static String getAddr(String longitude, String latitude){
        if(StringUtils.isBlank(longitude)||StringUtils.isBlank(latitude)){
            System.out.println("经纬度不能急为空");
            return "";
        }
        String url = GD_URL+longitude+","+latitude+"&key="+KEY+"&radius=1000&extensions=all";
        try {
            URL apiUrl = new URL(url);
            HttpURLConnection connection = (HttpURLConnection) apiUrl.openConnection();
            connection.setRequestMethod("GET");
            connection.connect();
            int responseCode = connection.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                StringBuilder response = new StringBuilder();
                String line;
                while ((line = reader.readLine()) != null) {
                    response.append(line);
                }
                reader.close();
                JSONObject json = (JSONObject) JSONObject.parse(response.toString());
                String status = json.getString("status");
                if (status.equals("1")) {
                    JSONObject regeocode = json.getJSONObject("regeocode");
                    return regeocode.get("formatted_address").toString();
                } else {
                    System.out.println("查询失败：" + json.getString("info"));
                }
            } else {
                System.out.println("HTTP请求失败：" + responseCode);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

}