@RequestMapping(value = "/subscribeChannel", method = RequestMethod.GET)
    @ResponseBody
    public String subscribeChannel(String rtmpUrl){
        String result="";
      try{
          if(rtmpUrl ==null || "".equals(rtmpUrl)){
              rtmpUrl ="xxxxx請求url";
          }
          System.out
 
.println("進入視訊播放頁面："+rtmpUrl);
          // 根據地址獲取請求
          HttpGet request = new HttpGet(rtmpUrl);//這裡傳送get請求
          request.setHeader("Connection","close");
          // 獲取當前客戶端物件
          HttpClient httpClient = new DefaultHttpClient();
          // 通過請求物件獲取響應物件
          HttpResponse response = httpClient.execute(request);
          // 判斷網路連線狀態碼是否正常(0--200都數正常)
 

          if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
              result= EntityUtils.toString(response.getEntity(),"utf-8");
          }else{
              result= EntityUtils.toString(response.getEntity(),"utf-8");
          }
          System.out.println("成功json物件："+result);
          if
 
(result == null || "".equals(result)){
              result = "{\"data\":{},\"message\":\"請求失敗,視訊伺服器未啟動\",\"statusCode\":\"100100\"}";
             // throw  new HttpException("播放異常！");
          }
      }catch (Exception e){
         e.printStackTrace();
          result = "{\"data\":{},\"message\":\"請求失敗，視訊伺服器未啟動\",\"statusCode\":\"100100\"}";
       //  throw  new HttpException("播放異常！");
      }
        return  result;
    }