//加密操作 utf-8码
        public static String MingToMi(string strMing)
        {
            byte[] byteArrMi = Encryption_Decryption.EncryptString(
                Encoding.UTF8.GetBytes(strMing));
            string strMi = Encoding.UTF8.GetString(byteArrMi);

            return(strMi);
        }