与浏览器请求处理程序相似，资源请求处理程序提供了一个到不同客户机以及业务逻辑层所处理的请求的接口。
Like the Browser request Handler, the Resource request Handler provides an interface to, albeit, different clients, and requests that the Business Logic Layer handle the processing.
下一版本应该把重点放在服务接口，而不是数据访问和业务逻辑层。
The next version should focus less on the data access and business logic tiers and more on the service interface.
它从浏览器接受请求，从业务逻辑层请求服务，生成表示并对浏览器做出响应。
It accepts the request from the browser, requests the service from the business logic layer, generates the presentation, and responds to the browser.
请将命令想象成业务逻辑周围很薄的一层包装。
封装——存储过程是实现最低的业务逻辑层的好方法。
Encapsulation — Stored procedures are a good means to implement the lowest layer of business logic.
此外，由于将来可以使用新的REST和mvc框架，实现它们变得更加容易，无需重写业务逻辑层。
In addition, as new REST and MVC frameworks become available in the future, it is easier to implement them without rewriting the business logic layer.
它们存在于业务逻辑层。
这样，业务逻辑就隐藏在技术代码层中，只有开发人员和IT社区能够理解。
This buries the business logic is buried inside the layers of technical code, where it can only be understood by the developer and it community.
facade模式是一个在与J2EE应用程序中的业务逻辑层进行交互很有用的工具。
The facade pattern is a valuable tool for interacting with the business logic layer of a J2EE application.
业务逻辑层包含值提供者，为支持Ajax的控件提供数据（请参见图5）。
The Business Logic Layer consists of the value providers that provide data to the Ajax-enabled controls (see Figure 5).
events - ejb：业务逻辑层、ejb会话bean。
从Web服务客户端收到请求之后，ResourceRequestHandler从业务逻辑层请求服务。
After receiving a request from a Web service client, the Resource request Handler requests the service from the business logic layer.
应用层用于处理业务逻辑，例如接受订单或者选择显示的内容。
An application layer to process business logic, like accepting orders or choosing content to display.
一个基于SOA的EMR能够轻易地支持很多用户界面窗体，因为核心数据和业务逻辑功能与表现层是松耦合的。
An SOA-based EMR can readily support many forms of user interface because the core data and business logic functions are loosely coupled from the presentation.
通过让开发人员自然地分离业务逻辑和表现层，开发和业务逻辑相关的单元测试将会变得更加容易。
By encouraging developers to naturally separate the business and presentation logic, it should be easier to develop unit tests against the business logic.
应用定制：在UI、业务逻辑和数据访问层，针对租户的元数据驱动的应用扩展。
Application customization: metadata driven application for tenant extensions at the UI, business logic and data access layers.
MVC开发人员通常直接在表示层中包含业务逻辑代码进行 “欺骗”（而不是包含到它所属的服务层中）。
MVC developers can frequently "cheat" by including business logic code directly in the presentation layer, instead of the service layer where it belongs.
然而，只是简单的将二者分离开无法实现有效的功能，还需要加入一个间接层以连接并协调表现层与业务逻辑层。
However, keeping the two isolated does not serve any useful purpose. It also suggests adding a layer of indirection to join and mediate between presentation and business logic layers.
控制逻辑关注于在视图层和业务层之间移动信息。
Control logic is concerned with moving information between the view and business layers.
控制器层负责实现服务的业务逻辑，具体通过调用其他服务、其他控制器或实体管理层实现。
The controller layer is responsible for implementing the business logic of the service, achieved by invoking other services, other controllers, or an entity management layer.
业务逻辑层实施业务规则(比如计算和工作流)，从而驱动应用程序。
The business logic tier enforces the rules of the business, such as calculations and workflow, that drive the application.
模型也是很容易理解的：业务逻辑和对象都处于这个层。
Model is also pretty easy to understand: business processes and objects exist in this layer.
表示层和业务逻辑层可以位于不同机器上，也可以由不同的J2EE平台供应商提供。
The Presentation layer and the Business Logic layer can be on two different machines and can be offered by different J2EE platform providers.
这些底层数据调用整合到数据访问层中，对于业务逻辑是不可见的。
These underlying data access calls are thus consolidated in the data access layer and hidden from the business logic.
逻辑层将概念体系结构划分为在应用程序内扮演特定角色的组件，如表示层、应用程序逻辑层、业务流程层和数据访问层。
Logical tiers divide the conceptual architecture into components that play specific roles within the application, such as presentation, application logic, business processes, and data access.
最终用户在表示层生成的服务请求在业务逻辑层进行处理，在其中会将ID作为业务服务的配置参数进行处理。
The service requests generated by the end-users at the presentation layer are handled at the business logic layer, where the IDs are treated as configuration parameters to the business services.
业务逻辑层 (BLL)是集中存放业务规则的地方。
The Business Logic Layer (BLL) is where the business rules are centralized.
业务规则可以集中到业务逻辑层，该层充当表示层和数据访问层之间的数据交换的中间层。
Business rules are centralized into the business logic layer that serves as an intermediary for data exchange between the presentation layer and the data access layer.
而业务逻辑层则请求数据访问层处理数据持久性。
The Business Logic Layer, in turn, requests that the data Access Layer deal with data persistence.
分离了表示层和业务逻辑的程序也很容易被测试。
Testing also becomes easier when you separate presentation and domain logic.
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