public ActionResult Index(string viewname, bool partial = false)

        {

            //获取URL中的

            foreach (var key in Request.QueryString.AllKeys)

            {

                ViewData[key] = Server.UrlDecode(Request.QueryString[key]);

            }

            if (partial)

            {

                return PartialView(viewname);

            }

            //获取session 中的

            ViewData["UserId"] = CurrentUser.HR_ID;

            return View(viewname);

        }

@ViewData["UserId"]