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面向对象的思想几乎涉及到计算机应用的各个领域，软件重用的研究当然不例外。软件的重用正从传统面向过程的部件重用（ＲｅｕｓａｂｌｅＣｏｍｐｏｎｅｎｔ）向类重用转移。要对类进行重用，就必须对已设计好的类有效的管理。因而，建立面向特定领域适合的重用的类库就显得尤为重要。本文在探讨重用类库的结构及管理的基础上，以车间管理与控制为应用领域，分析了其中类及类间的关系，以大型数据库ＯＲＡＣＬＥ为工具，实现了类库的管理。
The idea of object-oriented involves almost all areas of computer applications, of course, the study of software reuse is no exception. Software reuse is shifting from traditional, process-oriented component reuse (ReusableComponent) to class reuse. To re-use classes, we must have a good management of the class has been designed. Therefore, it is particularly important to establish suitable reusable class libraries for specific fields. Based on the discussion of the structure and management of reusable class libraries, this paper analyzes the relationship between classes and classes in the field of workshop management and control, and implements the management of class libraries by using large-scale database ORACLE as a tool.