基于java的百度地图逆向解析（根据坐标返回地址）

package com.citcc4.traffic.mirror.controller;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.util.HashMap;import java.util.Map;import org.json.JSONException;import org.json.JSONObject;import org.springframework.web.bind.annotation.RestController;import com.citcc4.traffic.common.util.StringUtils;import com.fasterxml.jackson.databind.JsonNode;import com.fasterxml.jackson.databind.ObjectMapper;/** *  * 项目名称：civilized-traffic-cloudmirror 类名称：LocationController 创建人： QinBo * 创建时间：2017年8月17日 下午2:14:37 类描述： *  * @version */@RestControllerpublic class LocationUtil {/** *  * 输入经纬度坐标返回地址 key lng(经度),lat(纬度) */public static JsonNode getposition(String loca) {String lng=loca.substring(0, loca.indexOf(","));String lat=loca.substring(loca.indexOf(",")+1);String location=lat+","+lng;BufferedReader in = null;URL tirc = null;try {tirc = new URL("http://api.map.baidu.com/geocoder/v2/?ak=key&location="+location+"&output=json&pois=0");System.out.println(tirc);} catch (MalformedURLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}try {URLConnection connection = tirc.openConnection();connection.setDoOutput(true);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();// System.out.println(str);ObjectMapper mapper = new ObjectMapper();if (StringUtils.isNotEmpty(str)) {JsonNode jsonNode = mapper.readTree(str);jsonNode.findValue("status").toString();JsonNode resultNode = jsonNode.findValue("result");JsonNode locationNode = resultNode.findValue("formatted_address");return locationNode;}} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return null;} }