Designing a solution using Core J2EE patterns.

使用核心j2ee模式设计解决方案。

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While Ruby on Rails is a very new and exciting framework that has generated considerable interest in the Web development community, the core architecture follows the basic patterns found in J2EE.

虽然Ruby on Rails是一个非常新、令人兴奋的框架，并且在Web社区中已经引起了人们相当的兴趣，但是它的核心架构仍然遵循在J2EE中发现的基本模式。

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As one of the core patterns of J2EE, data transfer object pattern is presented to solve the problem.

作为J2EE核心设计模式之一的数据传输对象模式的提出，就是为了解决该问题的。

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