public class HeaderFooterFilter:ActionFilterAttribute
    {
        public override void OnActionExecuted(ActionExecutedContext filterContext)
        {
            ViewResult v = filterContext.Result as ViewResult;
            if (v != null)
            {
                DeskViewModel desk = v.Model as DeskViewModel;
                if (desk != null)
                {
                    desk.HeaderData = new HeaderViewModel();
                    desk.HeaderData.CurrentMenu = "Home";
                    desk.HeaderData.UserInfo = new UserDetail();
                    desk.HeaderData.UserInfo.UserName = HttpContext.Current.User.Identity.Name;
                    desk.HeaderData.MenuList = new List<MenuViewModel>();
                    desk.HeaderData.MenuList.Add(new MenuViewModel() { MenuName = "取消订单", MenuUrl = "OrderCancel", Value = "OrderCancel" });
                    desk.FooterData = new FooterViewModel();
                    desk.FooterData.CompanyName = "Support";
                    desk.FooterData.Year = DateTime.Now.Year.ToString();
                } 
            }
            base.OnActionExecuted(filterContext);
        }
    }