简单自定义授权过滤器

 1 //页面
 2         public ActionResult Login()
 3         {
 4             return View();
 5         }
 6         /// <summary>
 7         /// 登录
 8         /// </summary>
 9         /// <param name="name">用户名</param>
10         /// <param name="pwd">密码</param>
11         /// <param name="yzm">验证码</param>
12         /// <returns>登录完之后把指定的数据存到Cookie,以便使用</returns>
13         public int UserLogin(string name, string pwd,string yzm)
14         {
15             //判断验证码是否正确
16             if(Session["ValidateCode"].ToString().ToLower()!=yzm.ToString().ToLower())
17             {
18                 return -2;
19             }
20             #region Cookie
21             //实例化Cookie
22             HttpCookie cookie = new HttpCookie("User");
23             //设置一个单独的Cookie值
24             cookie.Value = name;
25             //获取当前时间
26             DateTime dtNow = DateTime.Now;
27             //设置多久之后Cookie失效
28             TimeSpan tsMinute = new TimeSpan(0, 0, 5, 0);
29             //拼接起来
30             cookie.Expires = dtNow + tsMinute;
31             //给指定的Cookie添加数据
32             cookie["name"] = name;
33             //添加保存到浏览器的Cookie
34             Response.Cookies.Add(cookie);
35 
36             #endregion
37             //md5加密
38             pwd = BLL.Md5Helper.Md5(pwd);
39             int Usid = 0;
40             var i = BLL.UserBLL.Login(name,pwd,out Usid);
41             return i;
42         }

 1 /// <summary>
 2     /// 购物车授权
 3     /// 从Cookie中把数据拿出来,判断是否正确,然后授权
 4     /// 然后可以根据这个数据进行一系列操作,比如登录头像,购物车什么的
 5     /// </summary>
 6     public class CartAttribute: AuthorizeAttribute
 7     {
 8         //认证并授权
 9         protected override bool AuthorizeCore(HttpContextBase httpContext)
10         {
11             //获取Cookie里的值
12             string name = "";
13             //创建一个httpcookie类型的   获取cookies的集合
14             System.Web.HttpCookie cookie = System.Web.HttpContext.Current.Request.Cookies["User"];
15             if (cookie != null)
16             {
17                 name = cookie["name"].ToString();
18                 return true;
19             }
20             return false;
21         }
22         //授权失败后要执行的
23         protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
24         {
25             filterContext.HttpContext.Response.Redirect("/Commodity/NotLog");
26             //base.HandleUnauthorizedRequest(filterContext);
27         }
28     }