Get方法调用接口 返回json

  private static Logger logger = LoggerFactory.getLogger(HttpRequestUtil.class);    
 
    /**
     * 发送get请求
     * @param url 路径
     * @return
     */
  
	public static JSONObject httpGet(String url,String param){
        
        //get请求返回结果
        JSONObject jsonResult = null;
        try {
            HttpClient client = HttpClients.createDefault();
            //发送get请求
            HttpGet request = new HttpGet(url+param);
            HttpResponse response = client.execute(request);
 
            /**请求发送成功，并得到响应**/
            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
                /**读取服务器返回过来的json字符串数据**/
                String strResult = EntityUtils.toString(response.getEntity());
                /**把json字符串转换成json对象**/
                jsonResult = JSONObject.fromObject(strResult);
                url = URLDecoder.decode(url+param, "UTF-8");
            } else {
                logger.error("get请求提交失败:" + url);
            }
        } catch (IOException e) {
            logger.error("get请求提交失败:" + url, e);
        }
        
        return jsonResult;
    }