using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//十进制与其他进制转换通用函数 nhg2020-04-28
namespace QMAPP.FJC.DAL.BZD
{
    static class DecimalToCharX
    {
        private static char[] ASCList = {'0','1', '2', '3', '4', '5', '6', '7', '8', '9',
            'A','B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
            'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '-', '.', ' ', '$',
            '/', '+', '%', '#', '&', '*', '=' };

        //改写10进制转43进制函数
        public static String decimalToCharX(int decimalValue,int toX)
        {
            String Char43 = "";
            int hexValue;
            while (decimalValue != 0)
            {
                hexValue = decimalValue % toX;
                Char43 = ASCList[hexValue] + Char43;
                decimalValue = decimalValue / toX;
            }

            if (Char43 == "")
            {
                Char43 = "0";
            }
            return Char43;
        }

        ////将的十进制数转换成ASCList的43进制数
        //public static char to43Char(int hexValue)
        //{

        //    return ASCList[hexValue];
        //    //if (hexValue <= 9 && hexValue >= 0)
        //    //return (char)(hexValue + '0');
        //    //else
        //    //return (char)(hexValue - 10 + 'A');
        //}

        //将43进制数转换成10进制
        public static int CharXTodecimal(string str,int toX)
        {
            int intDecimal = 0;
            char[] charList = str.ToCharArray();
            int dec = 0;
            int digit = 0;
            for (int i = charList.Length; i > 0; i--)
            {
                dec = ASCList.ToList().IndexOf(charList[i - 1]);
                for (int j = 0; j < digit; j++)
                {
                    dec = dec * toX;
                }
                intDecimal = intDecimal + dec;
                digit++;
            }

            return intDecimal;
        }


    }

}