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use case diagram.
composition: System boundaries. Participants. Case. Relationship.
Participant: Actor is not a person, but a role to play when participating in a use case.
If the act
Transferred from: http://blog.csdn.net/tianhai110Use case diagrams are primarily used to describe the relationship between users, requirements, and system functional units. It shows a model diagram of a system function that an external user can observe."Purpose": helps the development team to understand the functional
Original address: http://blog.csdn.net/zhuojiajin/article/details/8657853See the UML video, feel the UML content actually look very clear. When I started to paint, I found out that it was purely a teacher's job. Listen to understand or feel that you understand that it is just an illusion. For the UML diagram or understanding is not thorough enough, of course, now ask yourself to be thorough is also a dream. Although it is an illusion, trait also let m
UML Use case diagram Summary author: tianhai110 Published: 2012-01-30 15:33 read: 100,263 recommendations: 57 Original link [Favorites]Use case diagrams are primarily used to describe the relationship between users, requirements, and sys
Use case diagrams are primarily used to describe the relationship between users, requirements, and system functional units. It shows a model diagram of a system function that an external user can observe."Purpose": helps the development team to understand the functional requ
Use case diagrams are primarily used to describe the relationship between users, requirements, and system functional units. It shows a model diagram of a system function that an external user can observe."Purpose": helps the development team to understand the functional requ
The use case diagram is used to describe the relationship between users, requirements, and system functional units. It shows a system function model diagram that can be observed by external users.
[PURPOSE]: help the development t
first, UML use case diagram basic conceptUML Use-case diagrams: Dynamic views that describe the functionality of a system, consisting of actors "actors", use cases, and their relationsh
Start learning the UML modeling language, starting with the use case diagram. Modeling Tools Select VisioThe use case diagram describes the system functions understood by the participan
and sequence diagram are compared, advocating the use of sequence diagram to express the business, called the business sequence diagram, and then based on the business sequence diagram to identify the system
administration system, students want to check the timetable, check the results, check the rankings, must first sign up Land, So check the timetable, check the results, see the rankings include the landing Extended relationship: To declare a specific extension pointGeneralization relationships: You often use extended relationships instead of generalization exercises:a hotel reservation
The use case diagram is mainly used to illustrate the main event process of the system. It is mainly used to describe the customer's needs, that is, the user wants the system to complete certain functional actions, the general understanding of
I,Description of the use case diagram
Use Case (Use Case) Refers to the interaction between the system's external things (activists, devices, or external systems) and the
From http://www.umlonline.org/school/thread-34-1-1.html
Let's take a look at the sample image?
The use case diagram looks pretty good. There is a little person in the diagram, And the use case
It is important to clarify the relationship between use cases when drawing a use case diagram. The relationships of use cases include generalization, extended, and include ). Include and extend are the most confusing. Next we will thoroughly clarify the relationship between
Document directory
The UML use case diagram contains three relationships: (include), (extend), and (generalization ).
Overview
The Use Case attempts to summarize the relationship between roles and systems in the use
Objective
UML is used to describe the entire design process of the system, and for this process produced a UML9 diagram: Use case diagram, Class diagram, object graph, collaboration diagram
organization through a comprehensive lifecycle of processes (process definition and process instances).1. Research object and business use case diagramThe research object of this practice is the business process of office management.The business use case model is a model that describes the expected functionality of th
Labels: soft test UML object-oriented
An important way for users to communicate with developers is to describe user requirements. Developers can understand the functions of the system from the perspective of users.
A Use Case chart has three main elements: the participant (actor), the use
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