完成超时弹窗后跳转功用的asp代码实例【C#.Net教程】,mvc,超时弹窗，跳转，asp.net

这篇文章重要引见了Asp.net 中mvc 完成超时弹窗后跳转功用,异常不错，具有参考自创代价，须要的朋侪能够参考下

为了完成坚持登录状况,能够用cookie来处理这一题目

假定逾期时候为30分钟,校验发生在服务器,借助过滤器,能够如许写

 public class PowerFilter : AuthorizeAttribute
  {
    public override void OnAuthorization(AuthorizationContext filterContext)
    {
      var cookie = HttpContext.Current.Request.Cookies["loginInfo"];
      if(null == cookie)
      {
        filterContext.Result = new RedirectResult("/admin/login/index");
      }
      else
      {
        cookie.Expires = DateTime.Now.AddMinutes(30);
        HttpContext.Current.Response.Cookies.Remove("loginInfo");
        HttpContext.Current.Response.Cookies.Add(cookie);
      }
    }
  }

然则页面直接跳转了,也没有一个提醒,显得不是很友爱,能够如许

public class PowerFilter : AuthorizeAttribute
  {
    public override void OnAuthorization(AuthorizationContext filterContext)
    {
      var cookie = HttpContext.Current.Request.Cookies["loginInfo"];
      if(null == cookie)
      {
        filterContext.Result = new ContentResult()
        {
          Content = string
          .Format("<script>alert('登录超时,请从新登录');location.href='{0}'</script>","/admin/login/index")
        };
      }
      else
      {
        cookie.Expires = DateTime.Now.AddMinutes(30);
        HttpContext.Current.Response.Cookies.Remove("loginInfo");
        HttpContext.Current.Response.Cookies.Add(cookie);
      }
    }
  }
}

然则,假如是ajax要求呢?

public class PowerFilter : AuthorizeAttribute
  {
    public override void OnAuthorization(AuthorizationContext filterContext)
    {
      var cookie = HttpContext.Current.Request.Cookies["loginInfo"];
      if(null == cookie)
      {
        if(!filterContext.HttpContext.Request.IsAjaxRequest())
        {
          filterContext.Result = new ContentResult()
          {
            Content = string
                 .Format("<script>alert('登录超时,请从新登录');location.href='{0}'</script>","/admin/login/index")
          };
        }
        else
        {
          filterContext.Result = new JsonResult()
          {
            Data = new { logoff = true,logurl = "/admin/login/index" },
            ContentType = null,
            ContentEncoding = null,
            JsonRequestBehavior = JsonRequestBehavior.AllowGet
          };
        }
      }
      else
      {
        cookie.Expires = DateTime.Now.AddMinutes(30);
        HttpContext.Current.Response.Cookies.Remove("loginInfo");
        HttpContext.Current.Response.Cookies.Add(cookie);
      }
    }
  }

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