com.huiyou.Web/tools/AdminLoginHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace com.huiyou.Web.tools
{
    public class AdminLoginHelper
    {
        public static string AdminIdSession = "session_adminid";
        public static string AdminNameSession = "session_adminname";

        public static string AdminIdCookie = "cookie_adminid";
        public static string AdminNameCookie = "cookie_adminname";

        public static void SetCookie(string adminId, string adminName)
        {
            HttpCookie cookieId = new HttpCookie(AdminIdCookie, adminId);
            HttpCookie cookieName = new HttpCookie(AdminNameCookie, adminName);

            cookieId.Expires = DateTime.Now.AddDays(365);
            HttpContext.Current.Response.Cookies.Set(cookieId);

            cookieName.Expires = DateTime.Now.AddDays(365);
            HttpContext.Current.Response.Cookies.Set(cookieName);
        }

        public static void ClearCookie()
        {
            HttpContext.Current.Response.Cookies[AdminIdCookie].Expires = DateTime.Now.AddDays(-1);
            HttpContext.Current.Response.Cookies[AdminNameCookie].Expires = DateTime.Now.AddDays(-1);
        }

        public static void GetCookie()
        {
            if (HttpContext.Current.Session[AdminIdSession] == null)
            {
                if (HttpContext.Current.Request.Cookies[AdminIdCookie] != null)
                {
                    string userid = HttpUtility.UrlDecode(HttpContext.Current.Request.Cookies[AdminIdCookie].Value);
                    string username = HttpUtility.UrlDecode(HttpContext.Current.Request.Cookies[AdminNameCookie].Value);

                    HttpContext.Current.Session[AdminIdSession] = userid;
                    HttpContext.Current.Session[AdminNameSession] = username;
                }
            }
        }

        public static bool AdminEnter()
        {
            GetCookie();

            if (HttpContext.Current.Session[AdminIdSession] == null)
            {
                //HttpContext.Current.Response.Redirect("/admin/login.aspx");
                HttpContext.Current.Response.Write("<script>top.location.href='/admin/login.aspx';</script>");
                return false;
            }

            return true;