因此，本论文的主要任务体现在实验环境的构造及OAI各系统模块的逻辑设计和编程实现。

Therefore, it mainly focuses on the establishment of the lab environment and the implement of each system module of OAI open harvesting system.

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只要预先把脚本模块中的业务逻辑设计好，通过标签加入到文档中，其他的标签就能够从事件中调用脚本模块的方法。

Just design the business logic on advance, and add it to the document, the other tags can invoke the function in script.

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然后对系统进行数据库设计，根据系统的功能模块的具体功能设计并建立了系统所需的各个表，完成了数据库的逻辑设计。

Then the system database design, based on the specific features of the system function module design and build a system requires each table to complete the logical design of the database.

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