C#字符串和十六进制之间的转换方法

Posted on 2012-01-18 10:21  严武  阅读(1427)  评论(0编辑  收藏  举报
 /// <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;
        }

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