InputStreamtoString

/**

     * 将输入流转成字符串

     *

     * @param is

     *            输入流

     * @return 返回字符串

     */

   

private static String streamToString(InputStream is) {    BufferedReader reader =new BufferedReader(new InputStreamReader(is));    StringBuilder sb =new StringBuilder();    String line =null;    try{        while((line = reader.readLine()) != null) {            sb.append(line);        }    }catch (IOException e) {        e.printStackTrace();    }finally {        try{            is.close();        }catch (IOException e) {            e.printStackTrace();        }    }    return sb.toString();}