/**
     * BASE64 加密
     * 
     * @param data
     *            要加密的数据
     * @return 加密后的字符串
     */
    public static String encryptBASE64(byte[] data) {
        Encoder encoder = Base64.getEncoder();
        String encode = encoder.encodeToString(data);
        return encode;
    }
    /**
     * BASE64  解密
     * 
     * @param data
     *            要解密的字符串
     * @return 解密后的byte[]
     * @throws Exception
     */
    public static byte[] decryptBASE64(String data) throws Exception {
        Decoder decoder = Base64.getDecoder();
        byte[] buffer = decoder.decode(data);
        return buffer;
    }