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asp論文外文翻譯---從底層了解aspnet的結(jié)構(gòu)-jsp程序(留存版)

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【正文】 d after the ActionResult is executed. Again, the OutputCache filter is an example of a ResultFilter. The usual example that is done to explain this filter is logging. If you want to log that a page has been returned to the user, you can write a custom RenderFilter that logs after the ActionResult has been executed. 9 但是,這個處理過程如何工作,則完全依賴于 HTTP處理器( handler)的執(zhí)行。對于功能強(qiáng)大的 .NET框架而言,使用自己的東西,構(gòu)建一個成熟的、高性能的引擎體系結(jié)構(gòu)已經(jīng)成為一個遺囑。 1 是什么? 我們從最簡單的定義開始, ?我通常喜歡用如下語句來描述 。甚至完全可以和其它的服務(wù)組合在一起。所以, 5 在一定的時間內(nèi), ISAPI主要充當(dāng)其它應(yīng)用程序或平臺的橋接口。許多其它的處理器將隨著 一起被安裝。因此,如果您不喜歡 MVC 所使用的約定(或缺乏某些約定),您可以創(chuàng)建自己的服務(wù)來支持您的約定,并將其注入到主管線中。您也可以實現(xiàn)自己的Method Selector 以改善對于 action 的選擇。他的代碼基于 Preview 5,但其理念是一樣的。視圖中不能包含任何代碼,所以輔助方法必須十分方便,使您可以將代碼從視圖中提取出來,放到一個可測試的環(huán)境中去。如果您需要其他類型的 result,可以自定義 ActionResult,并實現(xiàn) ExecuteResult方法。 Action Filters 在 action 執(zhí)行前后執(zhí)行。 但如果您希望使用依賴注入,就不能再使用 default factory,而必須使用支持 IoC的controller factory。9. ControllerBase All controllers inherit from the base class Controller. A good way to encapsulate logic or conventions inside your actions is to create you own layer supertype and have all your controllers to inherit from it. ISAPI擴(kuò)展與 IIS通信,然后,通過 ,這個請求通常被路由到一個帶有 .aspx 擴(kuò)展名的頁面。 整個 ,所有的擴(kuò)展性功能都是通過托管代碼的擴(kuò)展提供。許多人僅僅對處于 : WebForms和 WebServices比較熟悉,因此,在這篇文章里,我將會 闡述有關(guān) 比較底層的知識,并且將會解釋,如何將請求從 Web Server 移交給 ,然后通過 HTTP 管道處理這些請求。通過使用內(nèi)置的管道路由請求, HTTP 運(yùn)行時提供了一套復(fù)雜的,但卻很優(yōu)雅的機(jī)制。但是無論如何, ISAPI 沒有被廢棄。當(dāng)然也可以定義你自己的處理器。 在本文中,我們將從管線開始直到視圖呈現(xiàn),逐一向您展示每個 MVC開發(fā)者都必須了解 13個擴(kuò)展點(diǎn)。在框架中已經(jīng)包含了 AcceptVerbs 特性,它允許您指定使用哪一個 HTTP Verb 來處理 action的響應(yīng)。 所有的 Controller 均繼承自基類 Controller。正如 Rob Conery所說:如果有 if,就構(gòu)造輔助方法( If there39。 MVC 提供了很多 result 用來呈現(xiàn)視圖、 JSON、純文本、文件并重定向到其他action。例如,日期中的小時。default factory 會查找實現(xiàn)了 IController 并且以 Controller 結(jié)尾的類,然后通過反射使用無參構(gòu)造函數(shù)進(jìn)行實例化。2. RouteHandler Not really specific to MVC, the RouteHandler is the ponent that decide what to do after the route has been selected. Obviously if you change the RouteHandler you end up handling the request without MVC, but this can be useful if you want to handle a route directly with some specific HttpHanlders or even with a classic WebForm. 3. ControllerFactory The controller factory is the ponent that, based on the route, chooses which controller to instantiate and instantiate it. The default factory looks for anything that implements IController 7 and whose name ends with Controller, and than create an instance of it through reflection, using the parameterless constructor. But if you want to use Dependency Injection you cannot use it, and you have to use a IoC aware controller factory: there are already controller factory for most of the IoC containers. You can find them in MvcContrib or having a look at the Ninject Controller Factory. 4. ActionInvoker ActionInvoker is responsible for invoking the action based on it’s name. The default action invoker looks for the action based on the method name, the action name and possibly other selector attributes. Then it invokes the action method together with any filter defined and finally it executes the action result. If you read carefully you probably understood that most of the execution pipeline is inside the logic of the default ControllerActionInvoker class. So if you want to change any of these conventions, from the action method’s selection logic, to the way parameters are mapped to action parameters, to the way filters are chosen and executed, you have to extend that class and override the method you want to change. A good example of this, is the NinjectActionInvoker I developed to allow injection of dependencies inside filters. 5. ActionMethodSelectorAttribute Actions, with the default ac
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