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我经常使用asp.net MVC框架来做网站。总的来说，MVC框架是一个非常优秀的框架。相对于曾经的web form模式，我个人感觉分工更加合理思路也更加清晰，但是交给开发人员的工作也相对变多了。
当使用标准配置的时候在新建了控制器，还没有建视图的时候，运行网站，访问这个我们可以看到
因此我们可以判断，默认的视图引擎首先加载的顺序如上图所示
~/Views/Home/Index.aspx
~/Views/Home/Index.ascx
~/Views/Shared/Index.aspx
~/Views/Shared/Index.ascx
~/Views/Home/Index.cshtml
~/Views/Home/Index.vbhtml
~/Views/Shared/Index.cshtml
~/Views/Shared/Index.vbhtml
难道说每次都需要搜索这么多次才加载到我需要的cshtml文件，总感觉这样并不是很好，虽说对于性能的影响是比较小的，而且，还可以通过缓存技术，解决经常查看的网页速度的问题。不过终究是个问题还是学会如何解决的好。
默认的mvc视图引擎加载webform的视图引擎和Razor视图引擎，
我们只需要在服务器开始的时候也就是Application_Start事件发生的时候，将原有的引擎清空，加入Razor视图引擎就可以了。
在global.asax.cs文件中
protected void Application_Start() { AreaRegistration.RegisterAllAreas(); RouteConfig.RegisterRoutes(RouteTable.Routes); ViewEngines.Engines.Clear();//清除原有引擎 ViewEngines.Engines.Add(new RazorViewEngine());//加入Razor引擎 }
加入Razor引擎以后
其实我觉得这样就可以了，直接在对应文件夹中首先搜索cshtml
不过，总要研究下他的引擎，不过我只关注他视图查询读取，通过使用.NET Reflector 进行解析发现,Razor视图引擎的代码原来是这样的
public RazorViewEngine(IViewPageActivator viewPageActivator) : base(viewPageActivator) { base.AreaViewLocationFormats = new string[] { "~/Areas/{2}/Views/{1}/{0}.cshtml", "~/Areas/{2}/Views/{1}/{0}.vbhtml", "~/Areas/{2}/Views/Shared/{0}.cshtml", "~/Areas/{2}/Views/Shared/{0}.vbhtml" }; base.AreaMasterLocationFormats = new string[] { "~/Areas/{2}/Views/{1}/{0}.cshtml", "~/Areas/{2}/Views/{1}/{0}.vbhtml", "~/Areas/{2}/Views/Shared/{0}.cshtml", "~/Areas/{2}/Views/Shared/{0}.vbhtml" }; base.AreaPartialViewLocationFormats = new string[] { "~/Areas/{2}/Views/{1}/{0}.cshtml", "~/Areas/{2}/Views/{1}/{0}.vbhtml", "~/Areas/{2}/Views/Shared/{0}.cshtml", "~/Areas/{2}/Views/Shared/{0}.vbhtml" }; base.ViewLocationFormats = new string[] { "~/Views/{1}/{0}.cshtml", "~/Views/{1}/{0}.vbhtml", "~/Views/Shared/{0}.cshtml", "~/Views/Shared/{0}.vbhtml" }; base.MasterLocationFormats = new string[] { "~/Views/{1}/{0}.cshtml", "~/Views/{1}/{0}.vbhtml", "~/Views/Shared/{0}.cshtml", "~/Views/Shared/{0}.vbhtml" }; base.PartialViewLocationFormats = new string[] { "~/Views/{1}/{0}.cshtml", "~/Views/{1}/{0}.vbhtml", "~/Views/Shared/{0}.cshtml", "~/Views/Shared/{0}.vbhtml" }; base.FileExtensions = new string[] { "cshtml", "vbhtml" }; }
于是我们可以继承RazorViewEngine来自定义引擎搜索的位置和顺序
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; namespace ALLTest.App_Start { public class MyViewEngines: RazorViewEngine { public MyViewEngines() { base.AreaViewLocationFormats = new string[] { "~/Areas/{2}/Views/{1}/{0}.cshtml", "~/Areas/{2}/Views/Shared/{0}.cshtml", }; base.AreaMasterLocationFormats = new string[] { "~/Areas/{2}/Views/{1}/{0}.cshtml", "~/Areas/{2}/Views/Shared/{0}.cshtml", }; base.AreaPartialViewLocationFormats = new string[] { "~/Areas/{2}/Views/{1}/{0}.cshtml", "~/Areas/{2}/Views/Shared/{0}.cshtml", }; base.ViewLocationFormats = new string[] { "~/Views/{1}/{0}.cshtml", "~/Views/Shared/{0}.cshtml", }; base.MasterLocationFormats = new string[] { "~/Views/{1}/{0}.cshtml", "~/Views/Shared/{0}.cshtml", }; base.PartialViewLocationFormats = new string[] { "~/Views/Shared/{0}.cshtml", "~/Views/{1}/{0}.cshtml", }; base.FileExtensions = new string[] { "cshtml", }; } } }
然后在服务器启动时，使用这个自己的引擎估计能起到更好的效果
protected void Application_Start() { AreaRegistration.RegisterAllAreas(); RouteConfig.RegisterRoutes(RouteTable.Routes); // ViewEngines.Engines.Clear(); ViewEngines.Engines.Add(new MyViewEngines()); }
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原文地址：http://www.cnblogs.com/zhaofangzhou/p/5184922.html
