using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
//聊天用户类
public class ChatUser
{
    private string _Name;//账号
    private string _Password;//密码
    private DateTime lastUpdated;//上次更新时间
    public ChatUser(string name, string password)
    {
        this._Name = name;
        this._Password = password;
        this.lastUpdated = DateTime.Now;
    }
    public string Name//账号
    {
        get
        {
            return this._Name;
        }
    }
    public string Password//密码
    {
        get
        {
            return this._Password;
        }
    }
    public bool IsExpired(TimeSpan timeSpan)//用户登录是否过期
    {
        return DateTime.Now - this.lastUpdated >= timeSpan;
    }
    public void Update()//更新自己的过期时间
    {
        this.lastUpdated = DateTime.Now;
    }
}

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