Asp.net MVC4 记录在线用户数及登录时长

配合使用 Application 来使用

 1 public class MvcApplication : System.Web.HttpApplication
 2     {
 3         /// <summary>
 4         /// 全局事件开始
 5         /// </summary>
 6         protected void Application_Start()
 7         {
 8             AreaRegistration.RegisterAllAreas();
 9 
10             WebApiConfig.Register(GlobalConfiguration.Configuration);
11             FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
12             RouteConfig.RegisterRoutes(RouteTable.Routes);
13             BundleConfig.RegisterBundles(BundleTable.Bundles);
14             Application.Lock();
15             Application["online"] = 0;
16             Application.UnLock();
17         }
18         /// <summary>
19         /// 全局事件结束
20         /// </summary>
21         protected void Application_End()
22         {
23 
24         }
25         /// <summary>
26         /// 单个用户事件开始
27         /// </summary>
28         protected void Session_Start()
29         {
30             Application.Lock();
31             int online = (int)Application["online"];
32             Application["online"] = online + 1;
33             Session["LoginDate"] = DateTime.Now;
34             Application.UnLock();
35         }
36         /// <summary>
37         /// 单个用户事件结束
38         /// </summary>
39         protected void Session_End()
40         {
41             Application.Lock();
42             int online = (int)Application["online"];
43             Application["online"] = online - 1;
44             Application.UnLock();
45         }
46     }

controller 的代码

 1 [HttpPost]
 2         public string LoginCheck()
 3         {
 4             if (Session["LoginDate"] == null)
 5             {
 6                 Session["LoginDate"]=DateTime.Now;
 7                 return "登录超时！";
 8             }
 9             DateTime loginDate = Convert.ToDateTime(Session["LoginDate"]);
10             TimeSpan ts = DateTime.Now - loginDate; //记算当时间时与Session中保存的时间差
11             string str = string.Format("已经登录{0}天{1}小时{2}分{3}秒", ts.Days, ts.Hours, ts.Minutes, ts.Seconds); //格式化输出
12             return str;
13         }

posted on 2017-11-17 10:12 一本正经。胡说9道阅读(194) 评论(0) 收藏举报