C#生成流水号编码[a-z(不包括i和o) 按0-9 a-z的顺序)]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    public class Program
    {
        static void Main(string[] args)
        {
            CustomBaseNumber cbn = new CustomBaseNumber("0123456789abcdefghjklmnpqrstuvwxyz");
            cbn.CustomBase = "";
            for (int i = ; i < ; i++)
            {
                Console.WriteLine(cbn.CustomBase.PadLeft(, ''));
                cbn.DecBase++;
            }
            Console.ReadKey();
        }
    }
    class CustomBaseNumber
    {
        private string _chars;
        public CustomBaseNumber(string chars)
        {
            _chars = chars;
        }
        public string CustomBase
        {
            get
            {
                string value = "";
                int decvalue = DecBase;
                int n = ;
                if (decvalue == ) return new string(new char[] { _chars[] });
                while (decvalue > )
                {
                    n = decvalue % _chars.Length;
                    value = _chars[n] + value;
                    decvalue = decvalue / _chars.Length;
                }
                return value;
            }
            set
            {
                int n = ;
                Func<char, int> getnum = (x) => { for (int i = ; i < _chars.Length; i++) if (x == _chars[i]) return i; return ; };
                for (int i = ; i < value.Length; i++)
                {
                    n += Convert.ToInt32(Math.Pow((double)_chars.Length, (double)(value.Length - i - )) * getnum(value[i]));
                }
                DecBase = n;
            }
        }
        public int DecBase
        {
            get;
            set;
        }
    }
}