asp.net MVC进阶学习---个性化目录结构(三)

public class Student
      {
          private int _id;
 
          public int Id
          {
              get { return _id; }
              set { _id = value; }
          }
 
         private string _name;
 
         public string Name
         {
             get { return _name; }
             set { _name = value; }
         }
     }

public static class StudentExtension
     {
         public static void Write(this Student stu, string name)
         {
             Console.WriteLine(name);
         }
     }

public class Test
      {
          public void Show()
          {
              Student stu = new Student();
              stu.Id = 1;
              stu.Name = "ddd";
              stu.Write(stu.Name);
          }
     }
 

public static class AreaRouteHelper
     {
         public static void CreateArea(this RouteCollection routes,
             string areaName,
             string controllerNameSpace,
             params Route[] routeEntries)
         {
             foreach (Route route in routeEntries)
             {
                 if (route.Constraints == null)
                 {
                     route.Constraints = new RouteValueDictionary();
                 }
 
                 if (route.Defaults == null)
                 {
                     route.Defaults = new RouteValueDictionary();
                 }
 
                 if (route.DataTokens == null)
                 {
                     route.DataTokens = new RouteValueDictionary();
                 }
 
                 route.Constraints.Add("area",areaName);
                 route.Defaults.Add("area",areaName);
                 route.DataTokens.Add("namespaces",new string[]{controllerNameSpace});
 
                 if (!routes.Contains(route))
                 {
                     routes.Add(route);
                 }
             }
         }
     }    

public class AreaViewEngine:WebFormViewEngine
     {
         public AreaViewEngine()
             : base()
         {
             //定义页面文件或者用户控件文件的路径规则
             ViewLocationFormats = new string[] {
                 "~/{0}.aspx",
                 "~/{0}.ascx",
                 "~/Views/{1}/{0}.aspx",
                 "~/Views/{1}/{0}.ascx",
                 "~/Views/Shared/{0}.aspx",
                 "~/Views/Shared/{0}.ascx"
             };
 
             //第一母版页文件路径规则
             MasterLocationFormats = new string[] {
                 "~/{0}.master",
                 "~/Shared/{0}.master",
                 "~/Views/Shared/{0}.master",
                 "~/Views{1}/{0}.master"
             };
 
             PartialViewLocationFormats = ViewLocationFormats;
         }
 
 
         /// <summary>
         /// 匹配页面文件的，寻找相应的部分视图文件
         /// </summary>
         /// <param name="controllerContext"></param>
         /// <param name="partialViewName"></param>
         /// <param name="useCache"></param>
         /// <returns></returns>
         public override ViewEngineResult FindPartialView(ControllerContext controllerContext, string partialViewName, bool useCache)
         {
             ViewEngineResult viewResult = null;
             if (controllerContext.RequestContext.RouteData.Values.ContainsKey("area"))
             {
                 string areaPartialName = FormatViewName(controllerContext,partialViewName);
                 viewResult = base.FindPartialView(controllerContext,areaPartialName,useCache);
                 if (viewResult != null && viewResult.View != null)
                 {
                     return viewResult;
                 }
 
                 string sharedAreaPartialName = FormatPartialViewName(controllerContext, partialViewName);
                 viewResult = base.FindPartialView(controllerContext,sharedAreaPartialName,useCache);
                 if (viewResult != null && viewResult.View != null)
                 {
                     return viewResult;
                 }
             }
             return base.FindPartialView(controllerContext, partialViewName, useCache);
         }
 
         /// <summary>
         /// 匹配页面文件的，寻找相应的试图文件
         /// </summary>
         /// <param name="controllerContext"></param>
         /// <param name="viewName"></param>
         /// <param name="masterName"></param>
         /// <param name="useCache"></param>
         /// <returns></returns>
         public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache)
         {
             ViewEngineResult viewResult = null;
             if (controllerContext.RequestContext.RouteData.Values.ContainsKey("area"))
             {
                 string areaPartialName = FormatViewName(controllerContext, viewName);
                 viewResult = base.FindView(controllerContext, areaPartialName,masterName, useCache);
                 if (viewResult != null && viewResult.View != null)
                 {
                     return viewResult;
                 }
 
                 string sharedAreaPartialName = FormatPartialViewName(controllerContext, viewName);
                 viewResult = base.FindView(controllerContext, sharedAreaPartialName,masterName, useCache);
                 if (viewResult != null && viewResult.View != null)
                 {
                     return viewResult;
                 }
             }
             return base.FindView(controllerContext, viewName, masterName, useCache);
         }
 
         /// <summary>
         /// 这个匹配一般的页面文件或用户控件路径
         /// </summary>
         /// <param name="context"></param>
         /// <param name="viewName"></param>
         /// <returns></returns>
         public string FormatViewName(ControllerContext context, string viewName)
         {
             //根据路由的参数值获得控制器的名称
             string controllerName = context.RouteData.GetrequiredString("controller");
 
             //根据路由的参数获得控制器组的名称
             string area = context.RequestContext.RouteData.Values["area"].ToString();
             return "Area/" + area + "/Views/" + controllerName + "/"+viewName ;
         }
 
         /// <summary>
         /// 这个一般匹配母版页的文件路径
         /// </summary>
         /// <param name="context"></param>
         /// <param name="viewName"></param>
         /// <returns></returns>
         public string FormatPartialViewName(ControllerContext context, string viewName)
         {
             //根据路由的参数获得控制器组的名称
             string area = context.RequestContext.RouteData.Values["area"].ToString();
             return "Area/" + area + "/Views/Shared/" + viewName;
         }
     }