一、在要检查登入的控制器上继承 CheckLoginController 类
2、 CheckLoginController 类的写法
using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Mvc;namespace TaskManagement.Controllers{ ???public class CheckLoginController : Controller ???{ ???????/// <summary> ???????/// 实现统一登录验证检查 ???????/// </summary> ???????/// <param name="filterContext"></param> ???????protected override void OnActionExecuting(ActionExecutingContext filterContext) ???????{ ???????????//如果没有设置Session值那么就跳转到登入页面 ???????????//实现登录检查 ???????????if (Session["userinfo"] == null) ???????????{ ???????????????//RedirectResult tourl = new RedirectResult("/Login/UserLogin"); ????????????????//filterContext.Result = tourl; ???????????????ContentResult Cr = new ContentResult ???????????????{ ???????????????????Content = string.Format("<script type=‘text/javascript‘>top.location.href=‘{0}‘;</script>", "/Login/UserLogin") ???????????????}; ???????????????filterContext.Result = Cr; ???????????} ???????} ???}}ASP.NET MVC Session 过期验证跳转至登入页面
原文地址：https://www.cnblogs.com/flywong/p/8817930.html