//辅助自定义代码生成器用
public void READSB()
        {

            string dir = AppDomain.CurrentDomain.BaseDirectory;
            dir = dir + "READ\\";
            if (!Directory.Exists(dir))
            {
                Directory.CreateDirectory(dir);
            }
            string file = dir + "a.txt";
            string file2 = dir + "b.txt";
......................

using System;

namespace bccn
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("随机编码");
Console.WriteLine();

// 练习一下随机编码的使用
......................