The Web application layer will be explained first, followed by the EJB layer.
首先介绍Web应用程序层，然后介绍EJB 层。
These merge files contain some of the configuration information for the Web application layer.
这些合并文件包含Web应用程序层的一些配置信息。
Indeed, the Web application layer might be realized completely by one or more Web services such that the application URL would only give the user a browser component.
事实上，Web应用程序层可能完全由一个或多个Web服务实现，这样应用的URL只会把浏览器组件暴露给用户。
The Gartner Group however estimates that 75% of attacks are at the web application layer, and found out "that out of 300 audited sites, 97% are vulnerable to attack".
Gartner组织估计大约75%的攻击都是在web应用，并且在300个调查的web应用里，97%都是容易被攻击的。
When you open the Sign Up New User application, the Browser request Handler in the Presentation Layer handles the request from a Web interface.
当您打开SignUpNewUser应用程序时，表示层中的浏览器请求处理程序将处理来自web界面的请求。
The Application layer also includes applets, which are GUI components that execute in Web browsers.
应用程序层也包括applet，即在Web 浏览器中执行的GUI组件。
Servlet filters can also be considered part of the Controller layer of a Web application.
也可以将servlet过滤器看作是Web应用程序的controller层的一部分。
Instead, your programmers should store this information in the session layer of your Web application server or in a cookie.
程序员应该将这一信息存储在Web应用服务器的会话层或者cookie中。
The sample Web services provider application constitutes the model layer of the solution.
示例Web服务提供者应用程序组成了解决方案的模型层。
But you can use it to provide access to multiple Web applications from a single Web application and thereby provide a common presentation layer.
但是您可以使用它通过单一的Web应用程序来访问多个Web应用程序，这样就提供了一个公共的表示层。
You'll learn how feeds and Web services are generated in the database, queried and combined in the application layer, and then presented in the client browsers.
学习如何在数据库中生成feed和Web服务，在应用程序层查询和组合它们，然后在客户机浏览器中显示它们。
The next layer that needs to be configured is the link between Web servers and the application servers, as shown in figure 4.
需要配置的下一层就是Web服务器与应用程序服务器之间的链接，如图4所示。
The following sections describe how to secure a Data Web Service application at the HTTP transport protocol layer and how to hook it into WebSphere's security framework.
接下来的小节描述如何保障DataWebService应用程序在HTTP传输协议层的安全性，以及如何将它连接到WebSphere的安全性框架。
The client layer in this regard can refer to calls made from a Web framework, portal application, desktop system, or in some cases, a workflow product or business process management (BPM) component.
此处的客户机层可以表示来自Web框架、门户应用程序、桌面系统或工作流产品或业务流程管理(BPM)组件的调用。
Typical Web services employ a remote presentation paradigm, meaning all view logic executes on the client, whereas the application logic and the data layer (controller and model) reside on the server.
典型的Web服务使用远程表示范例，这意味着所有的视图逻辑在客户机上执行，而应用程序逻辑和数据层(控制器和模型)则驻留于服务器上。
The controller is provided by a servlet that runs in the embedded Jetty Web server, and the Derby database ACTS as the back end and represents the model layer for the application.
控制器由一个servlet提供，该servlet运行在嵌入式JettyWeb服务器中，而Derby数据库则充当后端，表示该应用程序的模型层。
These parameters are passed to the Web layer of sample application using the DTOs.
利用DTO，这些参数被传递到例子应用的Web层。
In the domain of J2EE Web applications, the model is the business logic of an application, and the JSP pages comprising the presentation layer are the view.
在J2EEWeb应用程序领域中，模式是应用程序的业务逻辑，视图是包含表示层的JSP页面。
This layer of services provides the framework and run time operating environment for the management of custom application components developed with J2EE, XML, and Web services programming models.
这一层的服务可以为使用J2EE、xml和web服务编程模型开发的自定义应用程序组件的管理提供框架和运行时操作环境。
The requests are then forwarded to the layer of Web servers, where the WebSphere plug-in evaluates each request and determines whether it should be forwarded on to the application server layer.
该请求随后转发到Web服务器层，在该层WebSphere插件评估每一个请求，然后确定是否应将其转发到应用程序服务器层。
This kind of code is usually common in the controller layer of applications, but is entirely unnecessary in a SproutCore web application.
这类代码在应用程序控制层是很常见的，但是在一个Sprout Coreweb应用程序中这完全不需要。
Question: in our Web application, we want to pass the uid and PWD to the EJB layer so that the session EJB can connect to backend system using the uid and PWD.
问：在Web应用程序中，我们希望将uid和pwd传递到ejb层中，以便会话ejb能够通过uid和pwd连接到后端系统。
The application servers in n-tier architecture host remotely accessible business components. These are accessed by the presentation layer web server over the network using native protocols.
N级结构中的应用服务器负责提供可远程访问的业务逻辑组件，而表现层网页服务器则使用本网协议通过网络访问这些组件。
The Template layer of a Django application allows you to separate the UI or presentation layout of a Web application from its data.
Django应用程序的模板层允许您将Web 应用程序的UI或显示布局与它的数据分开。
Similarly, if the Web UI application runs within a container inside the browser, the HTML application layer could act as a proxy between the Web UI application and Eclipse.
同样地，如果WebUI应用程序在浏览器内的一个容器内运行，那么HTML应用程序层可充当Web UI应用程序和eclipse间的一个代理。
The typical stack for a web application looks like Figure 1; an application communicates to a database, often through a data persistence layer such as Hibernate.
web应用程序的典型堆栈如图1 所示；应用程序与数据库通信，通常通过 Hibernate 这样的数据持久化层完成。
The next higher layer leverages Web services at the application interface through the Web services for Remote Portlet (WSRP) standard or other means at the human-facing presentation level.
更高一层通过远程门户网站Web服务(WebServicesfor Remote Portlet,WSRP)标准或其它面向人的表示层的方法来将Web服务应用于应用程序接口中。
The Controller is made up of the JSF layer with servlet listeners and filters that are unrelated to JSF but enhance the functionality of the Web application.
Controller是由jsf层及servlet侦听器和servlet过滤器组成，servlet侦听器和servlet过滤器与JSF无关，但增强了Web应用程序的功能。
Encoding at the application layer, instead of the Web server layer, is simple enough.
在应用程序层而非web服务器层进行编码是很简单的。
The application itself may use just the abstract interface of the Web service, so some tools would have to be written to generate the stubs that enable an abstraction layer.
应用程序本身可能正是使用Web服务的抽象接口，因此将必须编写一些工具来生成启用抽象层的存根。
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