JAVA百度地图的API

/*** 通过经纬度获取地址名称** @param latitude(维度), longitude(经度)* @return address(地址)*/@GetMapping(value = "/getAddress")public Result getAddress(@RequestParam(value = "LATITUDE") String latitude,@RequestParam(value = "LONGITUDE") String longitude) {Map<String, String> result = new HashMap<>();result.put("ADDRESS", MapUtil.getAddressByLatAndLng(latitude, longitude));return Result.buildResult(Result.Status.OK, result);}/*** 通过地址获取经纬度** @param* @return address(地址)*/@GetMapping(value = "/getLatAndLngByAddress")public Result getLatAndLng(@RequestParam(value = "ADDRESS") String address) {return Result.buildResult(Result.Status.OK, MapUtil.getLatAndLngByAddress(address));}//数组转集合private List<String> array2List(String[] strings) {return Arrays.asList(strings);}//判断两个经纬度的距离private static final double EARTH_RADIUS = 6378.137;//地球半径,单位千米//将角度转为弧度private static double rad(double d) {return d * Math.PI / 180.0;}private static double getDistance(double lat1, double lng1, double lat2, double lng2) {double radLat1 = rad(lat1);double radLat2 = rad(lat2);double a = radLat1 - radLat2;double b = rad(lng1) - rad(lng2);double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) +Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2)));s = s * EARTH_RADIUS;s = Math.round(s * 1000);return s;}}

package springboot_001.utils;import com.google.gson.Gson;
import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.params.ConnRouteParams;
import org.apache.http.impl.client.DefaultHttpClient;
import springboot_001.safeguard.controller.WeLinkZBController;
import springboot_001.safeguard.entity.MapResult;import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;/*** @author zhao pan* @Date 16:19 2019/12/18* @Description*/
public class MapUtil {public static final String ak = "1NKC2pNxVRKuPBdzkIrjiTAdiFE7VcyB";//    private static final String ak = "4IKgN0DzGVgiGtXW0hm8Z0OWsnYL7CuM";//    private static final String mapUrl = "172.30.68.94:8080";public static final String mapUrl = "api.map.baidu.com";public static String getAddressByLatAndLng(String latitude, String longitude) {StringBuffer sb = new StringBuffer();//创建HttpClient实例HttpClient client = getHttpClient();//创建httpGetHttpGet httpGet = new HttpGet("http://" + mapUrl + "/reverse_geocoding/v3/?ak=" + ak + "&output=json&coordtype=wgs84ll&location=" + latitude + "," + longitude);  //先维度(lati)后经度//执行try {HttpResponse response = client.execute(httpGet);HttpEntity entry = response.getEntity();if (entry != null) {InputStreamReader is = new InputStreamReader(entry.getContent());BufferedReader br = new BufferedReader(is);String str = null;while ((str = br.readLine()) != null) {sb.append(str.trim());}br.close();}} catch (ClientProtocolException e) {e.printStackTrace();return "地址获取失败";} catch (IOException e) {e.printStackTrace();return "地址获取失败";}Gson gson = new Gson();MapResult mapResult = gson.fromJson(sb.toString(), MapResult.class);if (mapResult.getResult() == null || mapResult.getResult().get("formatted_address") == null) {return "地址获取失败";}return mapResult.getResult().get("formatted_address").toString();}public static Map<String, Object> getLatAndLngByAddress(String address) {Map<String, Object> result = new HashMap<>();StringBuffer sb = new StringBuffer();//创建HttpClient实例HttpClient client = getHttpClient();//创建httpGetHttpGet httpGet = new HttpGet("http://" + mapUrl + "/geocoding/v3/?ak=" + ak + "&output=json&callback=showLocation&address=" + address);//执行try {HttpResponse response = client.execute(httpGet);HttpEntity entry = response.getEntity();if (entry != null) {InputStreamReader is = new InputStreamReader(entry.getContent());BufferedReader br = new BufferedReader(is);String str = null;while ((str = br.readLine()) != null) {sb.append(str.trim());}br.close();}} catch (ClientProtocolException e) {e.printStackTrace();return result;} catch (IOException e) {e.printStackTrace();return result;}Gson gson = new Gson();MapResult mapResult = gson.fromJson(sb.toString().replaceAll("showLocation&&showLocation\\(", "").replaceAll("\\)", ""), MapResult.class);if(mapResult.getResult() == null) return result;Map<String, Object> mapResultLocation = (Map<String, Object>) mapResult.getResult().get("location");result.put("LATITUDE", mapResultLocation.get("lat"));  //维度result.put("LONGITUDE", mapResultLocation.get("lng"));  //经度return result;}public static Map<String, Object> getInfoByLatAndLng(String latitude, String longitude){Map<String, Object> result = new HashMap<>();StringBuffer sb = new StringBuffer();//创建HttpClient实例HttpClient client = getHttpClient();//创建httpGetHttpGet httpGet = new HttpGet("http://" + mapUrl + "/reverse_geocoding/v3/?ak=" + ak + "&output=json&coordtype=wgs84ll&location=" + latitude + "," + longitude);  //先维度(lati)后经度//执行try {HttpResponse response = client.execute(httpGet);HttpEntity entry = response.getEntity();if (entry != null) {InputStreamReader is = new InputStreamReader(entry.getContent());BufferedReader br = new BufferedReader(is);String str = null;while ((str = br.readLine()) != null) {sb.append(str.trim());}br.close();}} catch (ClientProtocolException e) {e.printStackTrace();return result;} catch (IOException e) {e.printStackTrace();return result;}Gson gson = new Gson();MapResult mapResult = gson.fromJson(sb.toString(), MapResult.class);if (mapResult.getResult() == null || mapResult.getResult().get("formatted_address") == null) {return result;}return ( Map<String, Object>)mapResult.getResult().get("addressComponent");}//设置代理private static HttpClient getHttpClient() {DefaultHttpClient httpClient = new DefaultHttpClient();String proxyHost = "openproxy.huawei.com";int proxyPort = 8080;String userName = "bwx686365";String password = "lmwda@1314";httpClient.getCredentialsProvider().setCredentials(new AuthScope(proxyHost, proxyPort),new UsernamePasswordCredentials(userName, password));HttpHost proxy = new HttpHost(proxyHost, proxyPort);httpClient.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);return httpClient;}}

根据地址信息获取经纬度

import java.util.HashMap;
import java.util.Map;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import net.sf.json.JSONObject;public class LngAndLatUtil {
public static Map<String,Double> getLngAndLat(String address){
Map<String,Double> map=new HashMap<String, Double>();String url = "http://api.map.baidu.com/geocoder/v2/?address="+address+"&output=json&ak=你自己的ak值";String json = loadJSON(url);JSONObject obj = JSONObject.fromObject(json);if(obj.get("status").toString().equals("0")){double lng=obj.getJSONObject("result").getJSONObject("location").getDouble("lng");double lat=obj.getJSONObject("result").getJSONObject("location").getDouble("lat");map.put("lng", lng);map.put("lat", lat);//System.out.println("经度："+lng+"---纬度："+lat);}else{//System.out.println("未找到相匹配的经纬度！");}
return map;
}public static String loadJSON (String url) {StringBuilder json = new StringBuilder();try {URL oracle = new URL(url);URLConnection yc = oracle.openConnection();BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream()));String inputLine = null;while ( (inputLine = in.readLine()) != null) {json.append(inputLine);}in.close();} catch (MalformedURLException e) {} catch (IOException e) {}return json.toString();}}
//把代码中的ak值（红色字部分）更改为你自己的ak值，在百度地图API中注册一下就有。
//调用方式：
Map<String,Double> map=LngAndLatUtil.getLngAndLat("上海市黄浦区六合路");
System.out.println("经度："+map.get("lng")+"---纬度："+map.get("lat"));

百度API地址

地点检索 | 百度地图API SDK

地理编码 | 百度地图API SDK

百度开放平台后台地址

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