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外文翻譯--基于ssh的web技術(shù)介紹-全文預覽

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【正文】 l typically be subclasses of those. Note that you can choose an appropriate base class: If you don39。t generally aim to pete with existing solutions. It rather fosters seamless integration with standards like Servlet, JSP, JTA, JNDI, JDBC, and JDO, and wellsuited tools like Hibernate, Velocity, Log4J, and Caucho39。t particularly a web framework but a generic lightweight application framework with dedicated web support, and show the architectural differences to Struts and WebWork .In contrast to Struts or WebWork, Spring is an application framework for all layers: It offers a bean configuration foundation, AOP support, a JDBC abstraction framework, abstract transaction support, etc. It is a very nonintrusive effort: Your application classes do not need to depend on any Spring classes if not necessary, and you can reuse every part on its own if you like to. From its very design, the framework encourages clean separation of tiers, most importantly web tier and business logic: . the validation framework does not depend on web controllers. Major goals are reusability and testability: Unnecessary container or framework dependencies can be considered avoidable evils. Of course, Spring39。 2)tradition of J2 EE application much the adoption is according to the EJB heavy weight frame, this kind of frame suitable for develop a large business enterprise application, but usage the EJB container carry on development and adjust to try to need to be waste a great deal of lowering the Ou of code to match sex, exaltation system of development efficiency, this text put forward 1 kind EE according to the J2 of the Struts frame and Spring frame and the Hibernate frame application development strategy. Use the Struts realization MVC structure use the Struts realization MVC structure MVC(ModelViewController) is put forward by the Trygve Reenskaug, first drive application in the environment SmallTalk80, is many to hand over with each other with interface system of constitute foundation. According to the need of variable of the interface design, MVC hand over with each other constitute of system to resolve into model and see diagram, controller three part. Model(Model) is software processing problem logic at 中原工學院信息商務學院畢業(yè)設計(論文)譯文專用紙 第 8頁 independence in outside manifestation under contents and form circumstance of inside abstract, packed the core data, logic of problem and function of calculation relation, independence in concrete of interface expression and I/O operation. See diagram(View) mean information and particular form demonstration of model data and logic relation and appearance to the customer. It acquire a manifestation information from the model, there can be many for homology of information dissimilarity of manifestation form or see diagram. The controller(Controller) is a processing the customer hand over with software with each other operation of, its job is control provide model in any variety of dissemination, insure a customer interface among the model of rightness should contact。并介紹了一些基本知識,關(guān)于 Spring,以及 Hibernate。 在開發(fā)過程中,使用 Eclipse做為開發(fā)環(huán)境,同時加載了對 Struts及 Hibernate提供更好的控制和支持的第三方插件 MyEclipse, Web服務器使用 Tomcat,數(shù)據(jù)庫選用了 Mysql。要創(chuàng)建或修改這些對象,只需在程序中與它們進行交互,然后告訴 Hibernate保存即 中原工學院信息商務學院畢業(yè)設計(論文)譯文專用紙 第 6頁 可。相對 于使用 JDBC和 SQL來操作數(shù)據(jù)庫,使用 Hibernate能大大的提高實現(xiàn)的效率。 當然 ,Spring 的自己的 web 支持和通常框架模式的細致完整 .然而, Spring替換 struts,webwork 或者其他的 web 方案非常的容易 .對于 Spring 的 web 支持或者不同的地方, Spring 允許你在 web 容器里面建立一個中間層,在測試環(huán)境或者標準獨立的應用里面來設置重用你的商務邏輯 .還有在 J2EE 環(huán)境里面,你的商務邏輯不必依靠容器提供的服務,像 JTA ,EJB 的支持 .良好的構(gòu)架的 web 應用可以運行在任何容器上,如, Tomcat 或者 Resin. 值得注意 的是 , Spring 不是和已經(jīng)存在的解決方案進行競爭 . 我們鼓勵結(jié)合標準的技術(shù),如, Servlet, JSP, JTA, JNDI, JDBC, and JDO, 和非常匹配的工具,如 , Hibernate, Velocity, Log4J, and Caucho39。它有一個非常顯著的特點:在某個層面上如果你不需要 Spring 的支持,你就可以不使用 String 的class,只使用它的某一部分的功能。 Struts框架沒有具體定義模型層的實現(xiàn),在實際開發(fā)中,模型層通常是和業(yè)務邏輯緊密相連的,并且要對底層數(shù)據(jù)進行操作。所有這些控制邏輯利用 文件來配置。它截取和 分發(fā)這些請求到相應的動作類(這些動作類都是 Action類的子類)。 Struts框架很好的結(jié)合了 Jsp, Java Servlet,
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