流-字符串装换
/**** * 流-字符串 * @param is * @return */private String inputStream2String(InputStream is){ BufferedReader in = new BufferedReader(new InputStreamReader(is)); StringBuffer buffer = new StringBuffer(); String line = ""; try {while ((line = in.readLine()) != null){ buffer.append(line).append("\n"); }} catch (IOException e) {e.printStackTrace();}return buffer.toString(); }?