JAVA 对接腾讯地图，经纬度转换

时间：2022-12-14 06:44:29
package com.lvjing.util;

import net.sf.json.JSONArray;

import net.sf.json.JSONObject;

import org.springframework.stereotype.Service;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.net.HttpURLConnection;

import java.net.URL;

import java.util.HashMap;

import java.util.Map;

/**

 * \* Created with IntelliJ IDEA.

 * \* User: 46512

 * \* Author:ZY

 * \* Date: 2018/7/24

 * \* To change this template use File | Settings | File Templates.

 * \* Description:

 * \

 */

@Service

public class GPSTranslate {

    // key，需要在腾讯地图申请一个KEY

    private static final String KEY = "";

    /**

     * @Description: 通过经纬度获取位置

     * @Param: [log, lat]

     * @return: java.lang.String

     * @Author: zy

     * @Date: 2018/7/24

     */

    public static Map<String, Object> getLocation(String lng, String lat) {

        Map<String, Object> resultMap = new HashMap<String, Object>();

        // 参数解释：lng：经度，lat：维度。KEY：腾讯地图key

        String urlString = "http://apis.map.qq.com/ws/coord/v1/translate?locations=" +

                lat + "," + lng +"&type=1"+"&key=" + KEY ;

        String result = "";

        try {

            URL url = new URL(urlString);

            HttpURLConnection conn = (HttpURLConnection) url.openConnection();

            conn.setDoOutput(true);

            // 腾讯地图使用GET

            conn.setRequestMethod("GET");

            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));

            String line;

            // 获取地址解析结果

            while ((line = in.readLine()) != null) {

                result += line + "\n";

                //System.out.println(result);

            }

            in.close();

        } catch (Exception e) {

            e.getMessage();

        }

        // 转JSON格式

        JSONObject jsonObject = JSONObject.fromObject(result);

        //System.out.println(jsonObject);

        // 获取地址（行政区划信息） 包含有国籍，省份，城市

        JSONObject a = new JSONObject();

        //String code = jsonObject.getString("locations");

        String locations = jsonObject.get("locations").toString();

        //System.out.println(locations);

        JSONArray jsonArray = jsonObject.getJSONArray("locations");

        //System.out.println(jsonArray.getJSONObject(0).get("lat"));

        String lat_result = jsonArray.getJSONObject(0).get("lat").toString();

        String lng_result = jsonArray.getJSONObject(0).get("lng").toString();

        resultMap.put("lat", lat_result);

        resultMap.put("lng", lng_result);

        return resultMap;

    }

    public static void main(String[] args) {

        // 测试

        String lat = "30.287574000";//维度

        String lng = "120.07875200";//经度

        Map<String, Object> map = getLocation(lng, lat);

        System.out.println(map);

        System.out.println("la：" + map.get("lat"));

        System.out.println("lo：" + map.get("lng"));

    }

}

　　

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