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    6/30/2006

    文字与图表(2006-06-14)

    注:因为原来blog使用的是学校的blog服务,不是很稳定,所以迁到MSN spaces上,因此日期可能不正确,谢谢。
     
    这几天一直在做系统架构设计和组件设计,我们决定使用SDO技术封装现有数据,通过SCA技术提供服务组件并使用Business State Machine整合业务流程。设计工作一直在有条不紊的进行之中,我发现有很多时候图表比文字更能表达设计的思想,这也是为什么我的设计文档中存在着许多图表。在服务模型建模的时候服务模型图是一个很好的选择,而状态图很明显是State Machine模型图显身手的地方。设计中UML模型图更是帮了我们很大忙,系统类图,顺序图等rose工具所作的图表很好的帮助我们阐明了思想。
     
    在古代人们都是用图来表达思想的,随着时代的变迁,文字从图案中形成,才慢慢有了现在的文字,然而很多时候一副图能够表达的思想远大于数千文字。然而是否文字就不重要了呢?显然不是,文字是表达思想的基础,是将抽象的图案详细描述,实体化的过程,两者相结合才是真正好的设计方案。就好像我们做项目一样,既需要Project Manager也需要Technique Leader一样,项目管理和技术支持都缺一不可。很遗憾,这次我必须一个人身兼两职,很幸运,我能够同时学习两种思维方式,我会尽自己最大努力来参加大赛的,也与所有参赛队伍共勉。

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