Abstract: After giving a brief introduction about unified modeling language(UML), the paper discusses the importance of describing the complicated relationship among use cases on the base of describing user requirements with use case diagram. And then, it introduces a method of expressing the relationship of use cases, which integrates use cases by activity diagram. In the same time, it analyzes an example.

摘要： 在对UML建模语言进行了简单介绍之后,论述了在用UML用例图进行需求描述的基础上描述用例之间的复杂联系的重要性。随后介绍了一种以活动图集成用例的方式来表达用例之间联系的方法,并进行了实例分析。

关键词: UML, 需求描述, 建模分析, 用例, 活动

CLC Number: 

• TP311.52