把字节数组保存为一个文件
/** * 把字节数组保存为一个文件 * * @param b * @param outputFile * @return */public static File getFileFromBytes(byte[] b, String outputFile) {File ret = null;BufferedOutputStream stream = null;try {ret = new File(outputFile);FileOutputStream fstream = new FileOutputStream(ret);stream = new BufferedOutputStream(fstream);stream.write(b);} catch (Exception e) {log.error("helper:get file from byte process error!");e.printStackTrace();} finally {if (stream != null) {try {stream.close();} catch (IOException e) {log.error("helper:get file from byte process error!");e.printStackTrace();}}}return ret;}?