MVC判断用是否登录了平台

需求就是要求有些页面需要用户登陆了之后才能访问，那么就需要是否登录验证，直接上代码：

这个可以单独写到一个类里面：

WebAuthenUsers.cs：

using System;
using System.IO;
using System.Net;
using System.Text;
using System.Web.Mvc;
using WLSH.B2B.Shop.Common;
using WLSH.B2B.Shop.Core;
using WLSH.B2B.Shop.Core.DataBase;
using WLSH.B2B.Shop.Core.DataOther;

namespace WLSH.B2B.Shop.Web
{
    public class WebAuthenUsers : ActionFilterAttribute
    {
        /// <summary>
        /// 执行Action之前操作
        /// </summary>
        /// <param name="filterContext"></param>
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            //BaseServiceContents<Users> _baseContent = new BaseServiceContents<Users>();
            //Users users = _baseContent.Find(Guid.Parse("7CB684BD-667F-4CA3-91D2-A2AF2B802044"));
            //filterContext.HttpContext.Session["UserInstance"] = users;

            //构造未登陆时的转向url
            var urlHelper = new UrlHelper(filterContext.RequestContext);
            var url = urlHelper.Action("Login", "Home");

            //3.返回文本执行
            var contentResult = new ContentResult
            {
                Content = "<script>window.opener=null; window.top.location='/Home/Login';</script>"
            };

            //判断是否登陆
            if (filterContext.HttpContext.Session == null || filterContext.HttpContext.Session["CustomerInstance"] == null) // || !IsTimeOut()
            {
                //1.转向操作
                //filterContext.Result = new RedirectResult(url);

                //2.执行js脚本，貌似只支持ajax请求
                //ContentResult contentResult = new ContentResult();
                //contentResult.Content = "alert('Hello World!');";
                //contentResult.ContentType = "application/x-javascript";

                filterContext.Result = contentResult;
            }
            //else
            //{
            //    //判断功能权限
            //    var controllerName = filterContext.RouteData.Values["controller"].ToString();
            //    var actionName = filterContext.RouteData.Values["action"].ToString();
            //    string thisRequestUrl = string.Format(",/{0}/{1},", controllerName, actionName);
            //    //Users users = App.Instance.HaveAuthorityUser ?? new Users();

            //    if (users != null && users.RolesId != Guid.Empty)
            //    {
            //        //非超级管理员
            //        if (users.RolesId != Guid.Parse("B22468F7-4352-4C07-9C9A-62222A67322A"))
            //        {
            //            string urlAllString = roleFeaturesRepository.GetRoleFeaturesUrlListByRoleId(users.RolesId.ToString());
            //            if (!string.IsNullOrEmpty(urlAllString) && urlAllString.IndexOf(",") > -1)
            //            {
            //                urlAllString = "," + urlAllString + ",";
            //                int index = StringHelper.GetStrCount(urlAllString, thisRequestUrl);
            //                if (index < 0)
            //                    filterContext.Result = contentResult;
            //            }
            //            else
            //                filterContext.Result = contentResult;
            //        }
            //    }
            //    else
            //        filterContext.Result = contentResult;
            //}
            //处理Action之前操作内容根据我们提供的规则来定义这部分内容
            base.OnActionExecuting(filterContext);
        }

        /// <summary>
        /// 执行Action之后操作
        /// </summary>
        /// <param name="filterContext"></param>
        public override void OnActionExecuted(ActionExecutedContext filterContext)
        {
            base.OnActionExecuted(filterContext);
        }
    }
}

使用方法：

/// <summary>
        /// 购物车页面
        /// </summary>
        /// <returns></returns>
        [WebAuthenUsers]
        public ActionResult Index()
        {
            Guid userid = App.Instance.HaveAuthorityCustomer.Id;
            if (userid != new Guid())
            {
                ViewBag.cartList = _cartsRepository.GetCartList(userid.ToString().Trim());
            }
            return View();
        }

[WebAuthenUsers]也可以加在

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" 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这前面，表示这个controller都需要登录验证