将字节数组转为输出流

/** * 将字节数组转为输出流 *  * @param b * @return */public static InputStream getInputStreamFromBytes(byte[] b) {InputStream ret = null;try {if (b == null || b.length <= 0) {log.error("helper:the byte is null or is empty!");return ret;}ret = new ByteArrayInputStream(b);} catch (Exception e) {log.error("helper:get inputstream from bytes process error!");e.printStackTrace();}return ret;}

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