/// <summary>
        /// <函數：Encode>
        /// 作用：將字符串內容轉化為16進制數據編碼，其逆過程是Decode
        /// 參數說明：
        /// strEncode 需要轉化的原始字符串
        /// 轉換的過程是直接把字符轉換成Unicode字符,比如數字"3"-->0033,漢字"我"-->U+6211
        /// 函數decode的過程是encode的逆過程.
        /// </summary>
        /// <param name="strEncode"></param>
        /// <returns></returns>
        public static string Encode(string strEncode)
        {
            string strReturn = "";//  存儲轉換后的編碼
            foreach (short shortx in strEncode.ToCharArray())
            {
                strReturn += shortx.ToString("X4");
            }
            return strReturn;
        }
        /// <summary>
        /// <函數：Decode>
        ///作用：將16進制數據編碼轉化為字符串，是Encode的逆過程
        /// </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;
        }