In a small JSP application, it is common to see the data, business logic, and the user interface combined into one module of code.

在小型JSP应用程序中，经常会看到数据、业务逻辑和用户界面被组合在一个代码模块中。

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What many don't realize is that the CPAN module that provides this functionality is actually just a wrapper around an internal application program interface (API).

许多人不知道的是，提供这项功能的 CPAN 模块实际上只是内部应用程序接口（API）的包装器。

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As long as users give the interface and function description application logic will automatically choose adaptive modules in the module database to complete their function by concrete mechanism.

用户只要给出接口和功能描述，应用逻辑将在模块库中自动选择适合功能的模块并通过具体机制实现其功能。

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