摘要 工作中刚好用到这块，觉得挺好分享下
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | package com.pb.baiduapi;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;/** * 获取经纬度* * @author jueyue 返回格式：Map<String,Object> map map.put("status", * reader.nextString());//状态 map.put("result", list);//查询结果 * list<map<String,String>> * 密钥:f247cdb592eb43ebac6ccd27f796e2d2 */ public class GetLatAndLngByBaidu { /** * @param addr * 查询的地址 * @return * @throws IOException */ public Object[] getCoordinate(String addr) throws IOException { String lng = null;//经度 String lat = null;//纬度 String address = null; try { address = java.net.URLEncoder.encode(addr, "UTF-8"); }catch (UnsupportedEncodingException e1) { e1.printStackTrace(); } String key = "f247cdb592eb43ebac6ccd27f796e2d2"; String url = String .format("http://api.map.baidu.com/geocoder?address=%s&output=json&key=%s", address, key); URL myURL = null; URLConnection httpsConn = null; try { myURL = new URL(url); } catch (MalformedURLException e) { e.printStackTrace(); } InputStreamReader insr = null; BufferedReader br = null; try { httpsConn = (URLConnection) myURL.openConnection();// 不使用代理 if (httpsConn != null) { insr = new InputStreamReader( httpsConn.getInputStream(), "UTF-8"); br = new BufferedReader(insr); String data = null; int count = 1; while((data= br.readLine())!=null){ if(count==5){ lng = (String)data.subSequence(data.indexOf(":")+1, data.indexOf(","));//经度 count++; }else if(count==6){ lat = data.substring(data.indexOf(":")+1);//纬度 count++; }else{ count++; } } } } catch (IOException e) { e.printStackTrace(); } finally { if(insr!=null){ insr.close(); } if(br!=null){ br.close(); } } return new Object[]{lng,lat}; } public static void main(String[] args) throws IOException { GetLatAndLngByBaidu getLatAndLngByBaidu = new GetLatAndLngByBaidu(); Object[] o = getLatAndLngByBaidu.getCoordinate("成都市天府四街"); System.out.println(o[0]);//经度 System.out.println(o[1]);//纬度 }} |
输出结果：104.04701
30.548397
调用以下路径根据经纬度获取地址，返回数据为JSON格式，
http://api.map.baidu.com/geocoder/v2/?ak=pmCgmADsAsD9rEXkqWNcTzjd&location=30.548397,104.04701&output=json&pois=1
返回结果：
{"status":0,"result":{"location":{"lng":104.04701001273,"lat":30.548396923974},"formatted_address":