给自己发消息

@startuml

Alice -> Alice : This is a signal to self.\nIt also demonstrates \nmultiline text.

@enduml

PlantUML——4.实例演示1-LMLPHP

各种参与者

@startuml
title 各种参与者 '角色
actor Foo1
'边界
boundary Foo2
'控制
control Foo3
'实体
entity Foo4
'数据库
database Foo5
'一般参与者
participant Foo6 Foo1 -> Foo2 : To boundary
Foo1 -> Foo3 : To control
Foo1 -> Foo4 : To entity
Foo1 -> Foo5 : To database
Foo1 -> Foo6 : To participant @enduml

PlantUML——4.实例演示1-LMLPHP

各种箭头

@startuml

title 各种箭头

/'
• add a final x to denote a lost message
• use \ or / instead of < or > to have only the bottom or top part of the arrow
• repeat the arrow head (for example, >> or //) head to have a thin drawing
• use -- instead of - to have a dotted arrow
• add a final ”o” at arrow head
• use bidirectional arrow
'/ actor Bob as B
actor Alice as A B ->x A
B -> A
B ->> A
B -\ A
B \\- A
B //--A B ->o A
B o\\--A B <-> A
B <->o A @enduml

PlantUML&mdash;&mdash;4.实例演示1-LMLPHP

小综合

@startuml
'标题
title 综合:标题、别名、序列、颜色、图列 '别名,配色
actor Bob as B #red
actor Alice as A #green '消息序列编号
autonumber 2 ’箭头颜色
B -[#red]> A : hello
B --[#black]> A : hello2
B <[#0000FF]- A : ok '图例说明
legend right
这是一个图例说明
endlegend @enduml

PlantUML&mdash;&mdash;4.实例演示1-LMLPHP
05-16 19:22