PlantUML Language specification Activity Diagram

       

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活动图

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简单活动

@startuml (*) --> "First Activity" "First Activity" --> (*) @enduml

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箭头上的标签

@startuml (*) --> "First Activity" -->[You can put also labels] "Second Activity" --> (*) @enduml

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改变箭头方向

• -down-> (default arrow)
• -right-> or ->
• -left->
• -up->

@startuml (*) -up-> "First Activity" -right-> "Second Activity" --> "Third Activity" -left-> (*) @enduml

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分支

@startuml (*) --> "Initialization" if "Some Test" then -->[true] "Some Activity" --> "Another activity" -right-> (*) else ->[false] "Something else" -->[Ending process] (*) endif @enduml

@startuml (*) --> "check input" If "input is verbose" then --> [Yes] "turn on verbosity" --> "run command" else --> "run command" Endif -->(*) @enduml

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更多分支

@startuml (*) --> if "Some Test" then -->[true] "action 1" if "" then -> "action 3" as a3 else if "Other test" then -left-> "action 5" else --> "action 6" endif endif else ->[false] "action 2" endif a3 --> if "last test" then --> "action 7" else -> "action 8" endif @enduml

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同步

@startuml (*) --> ===B1=== --> "Parallel Activity 1" --> ===B2=== ===B1=== --> "Parallel Activity 2" --> ===B2=== --> (*) @enduml

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长的活动描述

@startuml (*) -left-> "this <size:20>activity</size> is <b>very</b> <color:red>long2</color> and defined on several lines that contains many <i>text</i>" as A1 -up-> "Another activity\n on several lines" A1 --> "Short activity <img:sourceforge.jpg>" @enduml

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注释

@startuml (*) --> "Some Activity" note right: This activity has to be defined "Some Activity" --> (*) note left This note is on several lines end note @enduml

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分区

@startuml partition Conductor { (*) --> "Climbs on Platform" --> === S1 === --> Bows } partition Audience #LightSkyBlue { === S1 === --> Applauds } partition Conductor { Bows --> === S2 === --> WavesArmes Applauds --> === S2 === } partition Orchestra #CCCCEE { WavesArmes --> Introduction --> "Play music" } @enduml

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显示参数

• 在图示定义中
• 在引入的文件中
• 在命令行或ANT任务提供的配置文件中。

@startuml skinparam backgroundColor #AAFFFF skinparam activity { StartColor red BarColor SaddleBrown EndColor Silver BackgroundColor Peru BackgroundColor<< Begin >> Olive BorderColor Peru FontName Impact } (*) --> "Climbs on Platform" << Begin >> --> === S1 === --> Bows --> === S2 === --> WavesArmes --> (*) @enduml

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八边形活动

@startuml 'Default is skinparam activityShape roundBox skinparam activityShape octagon (*) --> "First Activity" "First Activity" --> (*) @enduml

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一个完整的例子

@startuml title Servlet Container (*) --> "ClickServlet.handleRequest()" --> "new Page" if "Page.onSecurityCheck" then ->[true] "Page.onInit()" if "isForward?" then ->[no] "Process controls" if "continue processing?" then -->[yes] ===RENDERING=== else -->[no] ===REDIRECT_CHECK=== endif else -->[yes] ===RENDERING=== endif if "is Post?" then -->[yes] "Page.onPost()" --> "Page.onRender()" as render --> ===REDIRECT_CHECK=== else -->[no] "Page.onGet()" --> render endif else -->[false] ===REDIRECT_CHECK=== endif if "Do redirect?" then ->[yes] "redirect request" --> ==BEFORE_DESTROY=== else if "Do Forward?" then -left->[yes] "Forward request" --> ==BEFORE_DESTROY=== else -right->[no] "Render page template" --> ==BEFORE_DESTROY=== endif endif --> "Page.onDestroy()" -->(*) @enduml