1.注册自己百度应用取得AK码
**2.需要的Jar包 **
类型服务端
白名单不想限制就写 0.0.0.0/0
取得自己的AK码
jsp代码
<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><%@ taglib uri="/jsp/jstl/core" prefix="c"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "/TR/html4/loose.dtd"><html><head><% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><base href="<%=basePath%>" ></head><body><form action="map/showMap" method="post">起点:<input type="text" name="origins"/>终点:<input type="text" name="destinations"/><input type="submit" value="提交"/></form><table><tr><td>时间</td><td>总里程数</td><td>总公里数</td></tr><c:forEach var="page" items="${mapList}"><tr><td>${page.mTime}</td><td>${page.mZlc}</td><td>${page.mZzlc}</td></tr></c:forEach></table></body></html>
控制层
package cn.hr.controller;import java.io.UnsupportedEncodingException;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RequestParam;import com.alibaba.fastjson.JSONArray;import com.alibaba.fastjson.JSONObject;import cn.hr.util.HttpClientUtil;@Controller@RequestMapping("/map")public class MapController {@RequestMapping(value = "showMap",method = RequestMethod.POST)public String showMap(@RequestParam("origins") String origins,@RequestParam("destinations")String destinations,HttpServletRequest request) throws UnsupportedEncodingException {Map<String, String> params = new HashMap<String, String>();String originDouble = HttpClientUtil.doGet("http://api./geocoder/v2/?output=json&ak=自己的ak&address="+origins );String desDouble = HttpClientUtil.doGet("http://api./geocoder/v2/?output=json&ak=自己的AK&address="+ destinations);JSONObject jsonObjectOri = JSONObject.parseObject(originDouble);JSONObject jsonObjectDes = JSONObject.parseObject(desDouble);String oriLng = jsonObjectOri.getJSONObject("result").getJSONObject("location").getString("lng");// 经度值ֵString oriLat = jsonObjectOri.getJSONObject("result").getJSONObject("location").getString("lat");// 纬度值ֵString desLng = jsonObjectDes.getJSONObject("result").getJSONObject("location").getString("lng");String desLat = jsonObjectDes.getJSONObject("result").getJSONObject("location").getString("lat");params.put("output", "json");//输出方式为jsonparams.put("tactics", "11");//10不走高速11常规路线12 距离较短（考虑路况）13距离较短（不考虑路况）params.put("ak", "自己的ak");// origins 起点 destinations 目的地params.put("origins", oriLat + "," + oriLng + "|" + oriLat + "," + oriLng);params.put("destinations", desLat + "," + desLng + "|" + desLat + "," + desLng);String result = HttpClientUtil.doGet("http://api./routematrix/v2/driving", params);JSONArray jsonArray = JSONObject.parseObject(result).getJSONArray("result");//获取json长度int JsonLen = 0;for (Object object : jsonArray) {//System.out.println(object);JsonLen++;}//System.out.println("推荐方案:"); List<Map<String,String>> mapList = new ArrayList<Map<String,String>>();Map<String,String> map = null;int i;for (i = 0; i < JsonLen; i++) {map = new HashMap<String,String>();map.put("mTime",jsonArray.getJSONObject(i).getJSONObject("duration").getString("text"));map.put("mZlc",jsonArray.getJSONObject(i).getJSONObject("distance").getString("text"));map.put("mZzlc",jsonArray.getJSONObject(i).getJSONObject("distance").getString("value"));}mapList.add(map);request.setAttribute("mapList", mapList);return "map";}}
工具类
package cn.hr.util;import java.io.IOException;import .URI;import java.util.Map;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.client.utils.URIBuilder;import org.apache.http.entity.ContentType;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.util.EntityUtils;public class HttpClientUtil {public static String doGet(String url, Map<String, String> param) {CloseableHttpClient httpclient = HttpClients.createDefault();String resultString = "";CloseableHttpResponse response = null;try {URIBuilder builder = new URIBuilder(url);if (param != null) {for (String key : param.keySet()) {builder.addParameter(key, param.get(key));}}URI uri = builder.build();HttpGet httpGet = new HttpGet(uri);response = httpclient.execute(httpGet);if (response.getStatusLine().getStatusCode() == 200) {resultString = EntityUtils.toString(response.getEntity(),"UTF-8");}} catch (Exception e) {e.printStackTrace();} finally {try {if (response != null) {response.close();}httpclient.close();} catch (IOException e) {e.printStackTrace();}}return resultString;}public static String doGet(String url) {return doGet(url, null);}public static String doPost(String url, Map<String, String> param) {CloseableHttpClient httpClient = HttpClients.createDefault();CloseableHttpResponse response = null;String resultString = "";try {HttpPost httpPost = new HttpPost(url);// if (param != null) {// List<NameValuePair> paramList = new ArrayList<>();// for (String key : param.keySet()) {// paramList.add(new BasicNameValuePair(key, param.get(key)));// }// UrlEncodedFormEntity entity = new// UrlEncodedFormEntity(paramList);// httpPost.setEntity(entity);// }response = httpClient.execute(httpPost);resultString = EntityUtils.toString(response.getEntity(), "utf-8");} catch (Exception e) {e.printStackTrace();} finally {try {response.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}return resultString;}public static String doPost(String url) {return doPost(url, null);}public static String doPostJson(String url, String json) {CloseableHttpClient httpClient = HttpClients.createDefault();CloseableHttpResponse response = null;String resultString = "";try {HttpPost httpPost = new HttpPost(url);StringEntity entity = new StringEntity(json,ContentType.APPLICATION_JSON);httpPost.setEntity(entity);response = httpClient.execute(httpPost);resultString = EntityUtils.toString(response.getEntity(), "utf-8");} catch (Exception e) {e.printStackTrace();} finally {try {response.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}return resultString;}}
测试
知识点
其实就是通过自己的AK，起点，终点，到百度API查询返回JSON取值输入而已
Over!!!
