HttpURLConnection請求數據

try {
            URL url=new URL(path);
            HttpURLConnection connection=(HttpURLConnection) url.openConnection();
            connection.setReadTimeout(5000);
            connection.setConnectTimeout(5000);
            connection.setRequestMethod("GET");
            if(connection.getResponseCode()==200){
                return connection.getInputStream();
            }
        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (ProtocolException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }