通过地区获取经纬度

通过地区获取经纬度的方法 

/**
	 * 通过地区获取经纬度   
	 * @param path
	 * @param CmsRentout
	 * @param model
	 * @param redirectAttributes
	 * @param request
	 * @return
	 * @throws IOException
	 */
	  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=F454f8a5efe5e577997931cc01de3974";
	        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);
	        }
	        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();
	    }