刚刚爱上MVC3.0，几个不眠夜的学习越来越有趣。今天随手尝试自定义Mvc3.0的视图引擎，虽然已成功，但是还发现有点小疑问。随手贴出来希望大家指教指教。

MVC的视图文件目录被固定/Views目录内，区域视图文件也是被固定在/Areas目录下，出于好奇和对目录名的敏感，尝试修改它。通过reflector找到视图引擎的构造接口类VirtualPathProviderViewEngine

在MVC2.0中，自定义自己的视图引擎，继承它即可，但在3.0中，我发现继承它会缺少一个函数。再reflector获得了BuildManagerViewEngine的抽象类，因为RazorViewEngine继承的是该抽象类。

所以最直接还是在自己的视图引擎中继承它。

public class myViewEngine : BuildManagerViewEngine    {        // Fields        internal static readonly string ViewStartFileName = "_ViewStart";        // Methods        public myViewEngine()            : this(null)        {        }        public myViewEngine(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[] { "~/T/{1}/{0}.cshtml",  "~/T/Shared/{0}.cshtml" };            base.MasterLocationFormats = new string[] { "~/T/{1}/{0}.cshtml",  "~/T/Shared/{0}.cshtml" };            base.PartialViewLocationFormats = new string[] { "~/T/{1}/{0}.cshtml",  "~/T/Shared/{0}.cshtml" };            base.FileExtensions = new string[] { "cshtml", "vbhtml" };        }        protected override IView CreatePartialView(ControllerContext controllerContext, string partialPath)        {            string layoutPath = null;            bool runViewStartPages = false;            IEnumerable<string> fileExtensions = base.FileExtensions;            return new RazorView(controllerContext, partialPath, layoutPath, runViewStartPages, fileExtensions, base.ViewPageActivator);        }        protected override IView CreateView(ControllerContext controllerContext, string viewPath, string masterPath)        {            string layoutPath = masterPath;            bool runViewStartPages = true;            IEnumerable<string> fileExtensions = base.FileExtensions;            return new RazorView(controllerContext, viewPath, layoutPath, runViewStartPages, fileExtensions, base.ViewPageActivator);        }    }

NET技术：也玩MVC3.0 Razor自定义视图引擎来修改默认的Views目录结构，转载需保留来源！

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