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在Struts中使用数据服务(含外文出处)

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该章节覆盖了以下几个内容:
(1)理解为什么以及应用如何使用数据库以及其它数据服务
(2)应用中集成数据服务
(3)连接到数据服务时使用层
(4)定义应用的业务层
(5)连接数据访问组件到业务层
(6)连接其它数据服务,比如搜索引擎和内容聚集到业务层由于
14.1  加快步伐
为了保存和检索数据,现在的应用都需要访问各种的其它系统维护的数据。每个系统都有其自身的方法,协议来进行数据传输和存储。还包括使用LDAP 进行认证以及使用XML 进行内容发布等等。

外文原文(复印件)
Using data services with Struts
This chapter covers
_ Understanding why and how applications use databases and otherdata services
_ Integrating your application with a data service
_ Using layers when connecting with a data service
_ Defining the business layer of an application
_ Connecting data access components with the business layer
_ Connecting other data services, such as search engines and content syndication, with the business layer
14.1 Stepping out
In addition to storing and retrieving their own data, today’s applications need to access a variety of data maintained by others. Each system might have its own method, or protocol, for transmittal and storage. These include authentication services using the Lightweight Directory Access Protocol (LDAP) and publishing systems using XML.

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