google map如何根据地址查询经纬度

3 月，跳不动了？>>>

public class GoogleMapDemo {     public static void main(String[] args) {         getGoogleLatLng("广州市天河区高普路");         String addr = getGoogleAddres(new BigDecimal(23.1716124),new BigDecimal(113.4106579));         System.err.println("addr---------------------------------"+addr);     }     public static void getGoogleLatLng(String address) {           CloseableHttpClient httpclient = HttpClients.createDefault();           try {                 // 创建httpget.      HttpGet httpget = new HttpGet("https://maps.google.com/maps/api/geocode/json?address="+address+"&sensor=false&key=AIzaSyA3a5PwotknVyiN7de6eSZkxkLLpd8hm6k");              // 执行get请求.                   CloseableHttpResponse response = httpclient.execute(httpget);                try {                     // 获取响应实体                       HttpEntity entity = response.getEntity();                    if (entity != null) {                         // 打印响应内容                           String str = EntityUtils.toString(entity,"utf-8");                       JSONObject o = (JSONObject) JSON.parse(str);                       JSONArray o2 = (JSONArray) o.get("results");                       JSONObject o3 =  (JSONObject) o2.get(0);                       JSONObject o4 = (JSONObject) o3.get("geometry");                       JSONObject o5 = (JSONObject)o4.get("location");                        //获得打印结果                     System.err.println("lat====>>>"+o5.get("lat")+";lng=====>>>"+o5.get("lng"));                   }                 } finally {                     response.close();                 }             } catch (ClientProtocolException e) {                 e.printStackTrace();                 System.err.println(e.getMessage());           }catch (IOException e) {                 e.printStackTrace();                 System.err.println(e.getMessage());           } finally {                    httpclient.close();              }       }       //根据经度、纬度获取地址详细信息     public static String getGoogleAddres(BigDecimal lat, BigDecimal lng) {           String addr = "";           if(null == lat || null == lng){               return addr;           }           CloseableHttpClient httpclient = HttpClients.createDefault();           try {                          // 创建httpget.   ,参数还可以换成英文的。             HttpGet httpget = new HttpGet(MessageFormat.format("https://maps.google.com/maps/api/geocode/json?latlng={0},{1}&sensor=false&&language=zh-CN&key=AIzaSyA3a5PwotknVyiN7de6eSZkxkLLpd8hm6k", lat, lng));                 // 执行get请求.               CloseableHttpResponse response = httpclient.execute(httpget);                try {                     // 获取响应实体                       HttpEntity entity = response.getEntity();                    if (entity != null) {                         // 打印响应内容                           String str = EntityUtils.toString(entity);                       JSONObject o = (JSONObject) JSON.parse(str);                       JSONArray o1 = (JSONArray)o.get("results");                      JSONObject o2 = (JSONObject)o1.get(0);                       if(null != o2){                           addr = String.valueOf(o2.get("formatted_address"));                       }                  }               } finally {                   response.close();                 }             } catch (ClientProtocolException e) {                 e.printStackTrace();             } catch (IOException e) {                 e.printStackTrace();             } finally {                    httpclient.close();           }           return addr;       }

说明：这是在java后台还处理google map的相关功能，通过httpClient直接发请求，但这种方式可能性能比较卡，特别需要网络的支持，经过测试在大陆测试时，经常出现不能连接问题，在相关跑同样的代码就一直正常。所以这种功能要看情况使用。