[ASP.NET]分析MVC5源码,并实现一个ASP.MVC

 public abstract class ActionResult { public abstract void ExecuteResult(controllercontext context); } 

 public class JsonResult : ActionResult { public object Data { get; set; } public JsonRequestBehavior JsonRequestBehavior { get; set; } public JsonResult() { this.JsonRequestBehavior = JsonRequestBehavior.DenyGet; } public override void ExecuteResult(ControllerContext context) { JavaScriptSerializer scriptSerializer = new JavaScriptSerializer(); if (this.MaxJsonLength.HasValue) scriptSerializer.MaxJsonLength = this.MaxJsonLength.Value; if (this.RecursionLimit.HasValue) scriptSerializer.RecursionLimit = this.RecursionLimit.Value; response.Write(scriptSerializer.Serialize(this.Data)); } } 

 public interface IController { void Execute(RequestContext requestContext); } 

 protected virtual void Execute(RequestContext requestContext) { this.Initialize(requestContext); using (ScopeStorage.CreateTransientScope()) this.ExecuteCore(); } 

 protected override void ExecuteCore() { this.PossiblyLoadTempData(); try { string requiredString = this.RouteData.GetRequiredString("action"); if (this.ActionInvoker.InvokeAction(this.ControllerContext, requiredString)) return; this.HandleUnknownAction(requiredString); } finally { this.PossiblySaveTempData(); } }

public virtual bool InvokeAction(ControllerContext controllerContext, string actionName) { if (controllerContext == null) throw new ArgumentNullException("controllerContext"); if (string.IsNullOrEmpty(actionName)) throw new ArgumentException(MvcResources.Common_NullOrEmpty, "actionName"); ControllerDescriptor controllerDescriptor = this.GetControllerDescriptor(controllerContext); ActionDescriptor action = this.FindAction(controllerContext, controllerDescriptor, actionName); if (action == null) return false; FilterInfo filters = this.GetFilters(controllerContext, action); try { AuthorizationContext authorizationContext = this.InvokeAuthorizationFilters(controllerContext, filters.AuthorizationFilters, action); if (authorizationContext.Result != null) { this.InvokeActionResult(controllerContext, authorizationContext.Result); } else { if (controllerContext.Controller.ValidateRequest) ControllerActionInvoker.ValidateRequest(controllerContext); IDictionary<string, object> parameterValues = this.GetParameterValues(controllerContext, action); ActionExecutedContext actionExecutedContext = this.InvokeActionMethodWithFilters(controllerContext, filters.ActionFilters, action, parameterValues); this.InvokeActionResultWithFilters(controllerContext, filters.ResultFilters, actionExecutedContext.Result); } } catch (ThreadAbortException ex) { throw; } catch (Exception ex) { ExceptionContext exceptionContext = this.InvokeExceptionFilters(controllerContext, filters.ExceptionFilters, ex); if (!exceptionContext.ExceptionHandled) throw; else this.InvokeActionResult(controllerContext, exceptionContext.Result); } return true; } 

 protected virtual void InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) { actionResult.ExecuteResult(controllerContext); }

 public class Global : HttpApplication { protected void Application_Start(object sender, EventArgs e) { RouteTable.Routes.Add("default", new Route()); } }

 public class HomeController : Controller { public ActionResult Index() { return Content("Hello World"); } }