/// <summary>

        /// 十进制转换

        /// </summary>

        /// <param name="hexChar"></param>

        /// <returns></returns>

        public static int HexChar2Value(string hexChar)

        {

            switch (hexChar)

            {

                case "":

                case "":

                case "":

                case "":

                case "":

                case "":

                case "":

                case "":

                case "":

                case "":

                    return Convert.ToInt32(hexChar);

                case "a":

                case "A":

                    return ;

                case "b":

                case "B":

                    return ;

                case "c":

                case "C":

                    return ;

                case "d":

                case "D":

                    return ;

                case "e":

                case "E":

                    return ;

                case "f":

                case "F":

                    return ;

                default:

                    return ;

            }

        }

 public int Hex2Ten(string hex)

        {

            int ten = ;

            for (int i = , j = hex.Length - ; i < hex.Length; i++)

            {

                ten += HexChar2Value(hex.Substring(i, )) * ((int)Math.Pow(, j));

                j--;

            }

            return ten;

        }