cookie保存类如何写啊？

Question

原来的网站是用session保存的用户类，现在要改成cookie，请问大家如何用cookie保存用户的类啊？

Answer 1

给你一个我以前的用户信息cookie类，你参考一下
using System;
using System.Web;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Text;
/// <summary>
/// 用户的信息
/// </summary>
public class UserInfo
{
    #region 当前用户信息    /// <summary>
    /// 当前用户的信息
    /// </summary>
    public static class CurrentUser
    {
        /// <summary>
        /// 用户id
        /// </summary>
        public static int UserID
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["UserID"] != null)
                {
                    return Convert.ToInt32(HttpContext.Current.Request.Cookies["UserID"].Value);
                }
                return 0;
            }
            set
            {
                HttpContext.Current.Response.Cookies["UserID"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["UserID"].Value = value.ToString();
            }
        }        /// <summary>
        /// 用户名
        /// </summary>
        public static string Name
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["UserName"] != null)
                {
                    return HttpUtility.UrlDecode(HttpContext.Current.Request.Cookies["UserName"].Value.ToString());
                }
                return "";
            }
            set
            {
                HttpContext.Current.Response.Cookies["UserName"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["UserName"].Value = HttpUtility.UrlEncode(value.ToString());
            }
        }        /// <summary>
        /// 登录名
        /// </summary>
        public static string LoginID
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["LoginID"] != null)
                {
                    return HttpUtility.UrlDecode(HttpContext.Current.Request.Cookies["LoginID"].Value.ToString());
                }
                return "";
            }
            set
            {
                HttpContext.Current.Response.Cookies["LoginID"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["LoginID"].Value = HttpUtility.UrlEncode(value.ToString());
            }
        }        /// <summary>
        /// 上次登录时间
        /// </summary>
        public static DateTime LastLoginDate
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["LastLoginDate"] != null)
                {
                    return SafeConvert.ToDateTime(HttpContext.Current.Request.Cookies["LastLoginDate"].Value);
                }
                return DateTime.MinValue;
            }
            set
            {
                HttpContext.Current.Response.Cookies["LastLoginDate"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["LastLoginDate"].Value = value.ToString();
            }
        }        /// <summary>
        /// 用户角色
        /// </summary>
        public static string RoleName
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["RoleName"] != null)
                {
                    return HttpUtility.UrlDecode(HttpContext.Current.Request.Cookies["RoleName"].Value);
                }
                return "";
            }
            set
            {
                HttpContext.Current.Response.Cookies["RoleName"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["RoleName"].Value = HttpUtility.UrlEncode(value.ToString());
            }
        }
        /// <summary>
        /// 用户角色
        /// </summary>
        public static string RoleCode
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["RoleCode"] != null)
                {
                    return HttpUtility.UrlDecode( HttpContext.Current.Request.Cookies["RoleCode"].Value);
                }
                return "";
            }
            set
            {
                HttpContext.Current.Response.Cookies["RoleCode"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["RoleCode"].Value = HttpUtility.UrlEncode(value.ToString());
            }
        }        /// <summary>
        /// 当前页面URL，用于点击刷新按钮返回到原页面...
        /// </summary>
        public static string CurrentPageURL
        {
            get
            {
                if (HttpContext.Current.Request.Cookies["CurrentPageURL"] != null)
                {
                    return HttpContext.Current.Request.Cookies["CurrentPageURL"].Value;
                }
                return string.Empty;
            }
            set
            {
                HttpContext.Current.Response.Cookies["CurrentPageURL"].Domain = GetHostName();
                HttpContext.Current.Response.Cookies["CurrentPageURL"].Value = value;
            }
        }        //是否登录...
        public static bool IsLogin()
        {
            return UserID>0 ? true : false;
        }
      
        public static void Clear()
        {
            UserInfo.CurrentUser.UserID = 0;
            UserInfo.CurrentUser.Name = "";
            UserInfo.CurrentUser.LoginID = "";
            UserInfo.CurrentUser.LastLoginDate = DateTime.Now;
            UserInfo.CurrentUser.RoleCode = "";
            UserInfo.CurrentUser.CurrentPageURL = "";
                   }
    }    # endregion 当前用户结束    /// <summary>
    /// 获取主机域名...
    /// </summary>
    /// <returns></returns>
    private static string GetHostName()
    {
        string HostName = HttpContext.Current.Request.Url.Host.ToString(); //获取URL主机地址
        string[] UserHost = HostName.Split(new Char[] { '.' });
        if (UserHost.Length == 3)
        {
            HostName = string.Format("{0}.{1}", UserHost[1], UserHost[2]);
        }
        if (HostName == "localhost")
            HostName = "";
        return HostName;
    }   
}