/// <summary>
        /// <函数：Encode>
        /// 作用：将字符串内容转化为16进制数据编码，其逆过程是Decode
        /// 参数说明：
        /// strEncode 需要转化的原始字符串
        /// 转换的过程是直接把字符转换成Unicode字符,比如数字"3"-->0033,汉字"我"-->U+6211
        /// 函数decode的过程是encode的逆过程.
        /// </summary>
        /// <param name="strEncode"></param>
        /// <returns></returns>
        public static string Encode(string strEncode)
        {
            string strReturn = "";//  存储转换后的编码
            foreach (short shortx in strEncode.ToCharArray())
            {
                strReturn += shortx.ToString("X4");
            }
            return strReturn;
        }
        /// <summary>
        /// <函数：Decode>
        ///作用：将16进制数据编码转化为字符串，是Encode的逆过程
        /// </summary>
        /// <param name="strDecode"></param>
        /// <returns></returns>
        public static string Decode(string strDecode)
        {
            string sResult = "";
            for (int i = 0; i < strDecode.Length / 4; i++)
            {
                sResult += (char)short.Parse(strDecode.Substring(i * 4, 4), global::System.Globalization.NumberStyles.HexNumber);
            }
            return sResult;
        }