本文基于UML的面向对象系统分析及设计方法，完成电子图书在线出版系统的需求分析、建模与设计。

This article is base upon of the method of UML's OOA and OOD, finish the analysis, modeling and design of Electronic books publish system.

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电子图书，称为e -图书，可以在线购买或者从图书馆免费获取。

Electronic books, called e-books, may be purchased online or may be available for free from your library.

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电子图书，称为e -图书，可以在线购买或者从图书馆免费获取。

Electronic books, called e-books, may be purchased online or may be available for free from your library.

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