用例(use case):系统功能 图形:如下图是登录功能 用例.png 每个用例都有一个名称:短小精悍的“动名词”如例如ATM系统,经典的用例有“取钱” “存钱”“修改密码”等。 参与者(actor):用户或者外部系统 图形: 参与者.png 对每一类参与者要有简短描述:如 学生:需要参加培养计划规定的课程,并通过考核 参与者和...
[问题1]在需求分析阶段,采用UML的用例图(use case diagram)描述系统功能需求,如图4-4所示。指出图中的A,B,C和D分别是哪个用例?这道题您没有回答
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案例4.设计“图书管理系统”的Use Case框图 案例5.根据“网上购物系统”案例,绘制初始Use Case图。 三.操作步骤: 案例1. ①建立用例图的步骤: 。右击Use Case View 。选NewUse Case Diagram 。起名,比如:Buy Drink 。双击Buy Drink图标,这时工具栏变成适合Use Case作图的形式。 。设计Use Case Diagram. ②“...
图一般包括 用例图( use case diagram ) 、 顺序图( sequence diagram ) 、 协作图( collaboration diagram ) 、 类图( class diagram ) 、 对象图( object diagram ) 、 活动图( activity diagram ) 、 状态图( state chart diagram ) 、 构件图( component diagram ) 、 部署图( deployment...
As general conditions, the ER diagram for an online shopping system must be normalized up tothe third normal form. The reason for this is that the online shopping system is purely transactional, so it must support constant and concurrent updates of the tables that make up the schema. And it...
It systems functional requirements analysis, design of system flowchart, use case diagrams, design of e-r diagram for human resource management 翻译结果4复制译文编辑译文朗读译文返回顶部 It functionality of your system requirements analysis, system flow diagram, use case diagrams, the design of the hu...
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