《草堂图书管理系统》提供了丰富的可视信息，不同用户或同一用户加工不同的版本时看到的可视信息可能不同。用户是在各自的可视信息下工作，可视信息与用户的工作状态相对应，它是项目进化过程中与用户当前工作相关的内容片段。可视信息的获得源于工具内部实现的VB面向对象程序语言设计做前台，使用ACCESS2000做数据库后台。-"the city library management system" provided a wealth of visual information, different users or the same user processing different versions to see the visual information may be different. Users in their respective visual information to work with the users of information visualization of the state Correspondingly, it is item evolutionary process with the user's current work related content fragments. Visual access to information from internal tool to achieve the VB object-oriented programming language designed to make future use of the database to do ACCESS2000 background.