#region

using System;

#endregion

namespace CSFrameworkV5.Common
{
    /// <summary>
    ///     十六进制字符串转换工具
    /// </summary>
    public class HexCryptString
    {
        /// <summary>
        ///     返回16进制
        /// </summary>
        public static string ConvertHex(string value)
        {
            var sReturn = string.Empty;
            try
            {
                while (int.Parse(value) > 16)
                {
                    var v = int.Parse(value);
                    sReturn = GetHexChar((v % 16).ToStringEx()) + sReturn;
                    value = Math.Floor(Convert.ToDouble(v / 16)).ToStringEx();
                }

                sReturn = GetHexChar(value) + sReturn;
            }
            catch
            {
                sReturn = "###Valid Value!###";
            }

            return sReturn;
        }

        /// <summary>
        ///     返回16进制字符
        /// </summary>
        private static string GetHexChar(string value)
        {
            var sReturn = string.Empty;
            switch (value)
            {
                case "10":
                    sReturn = "A";
                    break;
                case "11":
                    sReturn = "B";
                    break;
                case "12":
                    sReturn = "C";
                    break;
                case "13":
                    sReturn = "D";
                    break;
                case "14":
                    sReturn = "E";
                    break;
                case "15":
                    sReturn = "F";
                    break;
                default:
                    sReturn = value;
                    break;
            }

            return sReturn;
        }
    }
}