/// <summary>

    /// 自定义模板页面

    /// </summary>

    public class LayoutAttribute : ActionFilterAttribute

    {

        private readonly string _masterName;

        public LayoutAttribute(string masterName)

        {

            _masterName = masterName;

        }

        /// <summary>

        /// 页面渲染结束后执行

        /// </summary>

        /// <param name="filterContext"></param>

        public override void OnActionExecuted(ActionExecutedContext filterContext)

        {

            base.OnActionExecuted(filterContext);

            var result = filterContext.Result as ViewResult;

            if (result != null)

            {

                result.MasterName = _masterName;

            }

        }

    }

 [Filters.Layout("_LayoutEd")]

    public class HomeController : Controller

    {

        public ActionResult Index()

        {

            ViewBag.Message = "Modify this template to jump-start your ASP.NET MVC application.";

            return View();

        }

        [Filters.Layout("_LayoutEd")]

        public ActionResult About()

        {

            ViewBag.Message = "Your app description page.";

            return View();

        }

        public ActionResult Contact()

        {

            ViewBag.Message = "Your contact page.";

            return View();

        }

    }