This paper take a news publications system which author developed as an example, analysed MVC, IOC, Chain of Responsibility Pattern, and provide the scheme of software reuse and function expanding combining AOP .

• 本文以实际开发的基于Struts框架的新闻发布系统为例,分析了MVC、IoC、责任链模式等与AOP结合提供软件重用和功能扩展的方案。