Use Case Diagram Tool Tutorial Tips for UML Use Case Diagrams When thinking of use cases, think of the end goal of a user. They don't want to "login" or "sign up." That's not a use case. The use case is more like "make a purchase." ...
用例图体现了该系统能够为参与者提供的种种功能以及这些功能之间的联系。要画好一张用例图,需要把握三个元素:参与者(Actor)、用例(Use Case)和用例间的关系(Relationship)。 一、 参与者 参与者代表的是参与使用系统的一类角色,例如,读者就是图书馆这个系统的参与者。要正确把握参与者,需要注意以下几点: 1. 参与...
分别用use case diagram,sequence diagram,activity diagram 完成Airline companies offer various flights.A flight is open to booking and closed again by order of the company.A customer can book several flights for different passengers.A booking is confirmed when there is availability for specified day,...
Free Essays from Studymode | USE-CASE DIAGRAM EXERCISE 1. Draw a use case diagram for an ATM machine with the following functionality. A customer’s...
A use case describes how a user uses a system to accomplish a particular goal. A use case diagram consists of the system, the related use cases and actors and relates these to each other to visualize: what is being described? (system), who is using the system? (actors) and what do ...
UML Lecture SeriesUML SIGRequirements Modeling (Use Case Diagram + Use Case Description) UML Lecture SeriesRequirements Modeling (Use Case Diagram + Use Case Description) Session ObjectivesAt the end of this lecture You will be able to :Draw a use case diagram to depict functional requirements of...
Services UML Diagram. ATM system. This sample was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the UML Use Case Diagram library of the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park. This sample shows the scheme of the servicing ...
Part 7: Use Case Diagram Examples This example shows theuse case diagramof a website. It shows two actors, the site user, and the webmaster. The webmaster has more access to the use cases than the site user. You can also notice <>and <> relationships. ...
用例图又称用况图,描述系统功能。 通过用例图展示待建系统的上下文范围以及它提供的功能。它描述了谁(或什么)与系统交互,外部世界希望系统做些什么。 用例着眼于为用户增加价值,提供了一种捕获功能需求的系统且直观的方法,可驱动整个开发过程。用例从某个特定参与者的角度用简单易懂的语言说明一个特定的使用场景。
在New Diagram窗口中,选择Use Case Diagram。 单击“Next”。 输入图表名(name) 称和描述 (description)。Location字段 (field) 使您可以选择一个模型来存储图表。 单击“OK”。 绘制系统元素 (drawing a system) 若要在用例图中创建系统,请在“图表”工具栏上选择“System”,然后在“图表”窗格 (diagram pane...