文本版本维护与实用程序

woshishui
1234

using System;
using System.IO;

public class DeleteTest
{
    public static void Main()
    {
        FileStream fs = new FileStream(@"f:\guangliyuan.txt", FileMode.Open, FileAccess.ReadWrite);
        StreamReader sr = new StreamReader(fs);
        Console.Write("请输入你的用户名：");
        string a = Convert.ToString(Console.ReadLine());
        Console.Write("请输入你的密码：");
        string b = Convert.ToString(Console.ReadLine());
        Console.WriteLine("选择你的用户：");
        Console.WriteLine("1、管理员");
        Console.WriteLine("2、普通用户");
        int c = Convert.ToInt32(Console.ReadLine());
        sr.BaseStream.Seek(0, SeekOrigin.Begin);
        string str = sr.ReadLine();
        string[] d = new string[2];
        int e = 0;
        while (str != null)
        {
            d[e] = str;
            str = sr.ReadLine();
            e++;
        }