| J2EE多层体系结构改进研究 |
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| 引用本文： | 刘德山,孙美乔.J2EE多层体系结构改进研究[J].辽宁师范大学学报(自然科学版),2008,31(1):54-56. |
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| 作者姓名： | 刘德山 孙美乔 |
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| 作者单位： | 辽宁师范大学,计算机与信息技术学院,辽宁,大连,116029 |
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| 摘 要： | 传统的MVC模式在表示层和业务逻辑层存在大量的数据交换,降低了系统的效率,讨论了在软件开发过程中具体存在的问题,分析了Session Faade和Business Delegate两种设计模式的特点,提出将这2种模式和MVC模式结合,形成完善的J2EE开发模式.同时,对J2EE架构中的数据持久层进行分析和改进,提出用DAO类和DAOFactory类实现数据持久层的方法,形成更完善的J2EE体系结构.
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| 关 键 词： | 数据持久层 |
| 文章编号： | 1000-1735（2008）O0-0054-03 |
| 收稿时间： | 2007-10-18 |
| 修稿时间： | 2007年10月18 |
On improvement of J2EE architecture |
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| LIU De-shan,SUN Mei-qiao.On improvement of J2EE architecture[J].Journal of Liaoning Normal University(Natural Science Edition),2008,31(1):54-56. |
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| Authors: | LIU De-shan SUN Mei-qiao |
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| Abstract: | There are lots of data exchanges between presentation layer and logic layer in MVC pattern, and the system efficiency is reduced. This paper discusses the problem in software development, ana- lyses the peculiarity of Session Facade and Business Delegate, advances a new MVC design pattern by combining the Session Facade and Business Delegate. It also designs the data persistence object, proposed a method to implements data persistence object, and finishes a perfect J2EE development Architecture. |
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| Keywords: | J2EE Session Fa(c)ade Business Delegate |
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