16进制编码解码

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public string EncodingSMS(string s) 

        { 

            string result = string.Empty; 

            byte[] arrByte = System.Text.Encoding.GetEncoding("GB2312").GetBytes(s);     

            for(int i = 0; i < arrByte.Length; i++) 

            { 

                result += System.Convert.ToString(arrByte[i], 16);        //Convert.ToString(byte, 16)把byte转化成十六进制string 

            } 

            return result; 

        } 

        public string DecodingSMS(string s) 

        { 

            string result = string.Empty; 

            byte[] arrByte = new byte[s.Length / 2]; 

            int index = 0; 

            for(int i = 0; i < s.Length; i += 2) 

            { 

                arrByte[index++] = Convert.ToByte(s.Substring(i,2),16);        //Convert.ToByte(string,16)把十六进制string转化成byte 

            } 

            result = System.Text.Encoding.Default.GetString(arrByte); 

            return result; 

        }

16进制编码解码

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原文地址：http://www.cnblogs.com/huangzhen22/p/4737517.html