UML用例建模的分析及使用

The Analysis of UML Uses Example to Build the Model

用例建模是UML建模的基础部分，其主要功能是用来表达系统的功能性需求或行为。该文以实例说明用例建模中用例图、用例描述部分的设计过程。

Using example to build a model is that UML builds the model basis part, whose main function is functionality need or behavior being used to express system. The example explaining that the model is useful with the example using example to build pursues the main body of a book, uses example to describe the part design process.