using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
namespace MvcRoute.MvcEx
{
    public sealed class MyViewEngine : RazorViewEngine
    {
        public MyViewEngine()
        {
            ViewLocationFormats = new[]
            {
                "~/Views/{1}/{0}.cshtml",
                "~/Views/Shared/{0}.cshtml",
                "~/Views/Admin/{1}/{0}.cshtml"//我们的规则
            };
        }
        public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
        {
            return base.FindView(controllerContext, viewName, masterName, useCache);
        }
    }
}
然后将这个规则注册到系统中，在global中注册一下，这样我们就可以通过自己的方式来访问了。global注册如下：
protected void Application_Start()
        {
            AreaRegistration.RegisterAllAreas();
            RegisterGlobalFilters(GlobalFilters.Filters);
            RegisterRoutes(RouteTable.Routes);
            RegisterView();//注册视图访问规则
        }
        protected void RegisterView()
        {
            ViewEngines.Engines.Clear();
            ViewEngines.Engines.Add(new MyViewEngine());
        }

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