mermaid
官网地址:https://mermaid-js.github.io/mermaid/#/
线上解释器地址(点击跳转)
mermaid 美人鱼, 是一个类似 markdown,用文本语法来描述文档图形(流程图、 时序图、甘特图)的工具,可以在文档中嵌入一段 mermaid 文本来生成 SVG 形式的图形
词汇表
| 词汇 | 释意 | 说明 |
|---|---|---|
| mermaid | 美人鱼 | ˈmərˌmād |
| graph | 图片 | |
| flowchart | 流程图 | |
| Sequence | 顺序 | |
| diagram | 图标 | ˈdīəˌɡram |
| calss diagram | 类图 | |
| state | 州、状态 | |
| state diagram | 状态图 | |
| Entity Relationship Diagrams | 实体关系图 | |
| User Journey Diagram | 用户旅程图(用户体验链路图) | |
| gantt | 甘特图 | |
| pie | 饼图 |
Flowchart_流程图
graph TB;
id1((用户登录)) --> 验证是否有账号;
用户登录 --> 验证是否存在;
验证是否存在 --> 验证是否有账号;
验证是否有账号 --> 我们下一次确定要去;
我说了一定要去
Sequence diagram_顺序图
sequenceDiagram
participant Alice
participant Bob
Alice->>John: Hello John, how are you?
loop Healthcheck
John->>John: Fight against hypochondria
end
Note right of John: Rational thoughts <br/>prevail!
John-->>Alice: Great!
John->>Bob: How about you?
Bob-->>John: Jolly good!
Gantt diagram_甘特图
gantt
dateFormat YYYY-MM-DD
title Adding GANTT diagram to mermaid
excludes weekdays 2014-01-10
section A section
Completed task :done, des1, 2014-01-06,2014-01-08
Active task :active, des2, 2014-01-09, 3d
Future task : des3, after des2, 5d
Future task2 : des4, after des3, 5d
gantt
dateFormat YYYY-MM-DD
title Adding GANTT diagram to mermaid
excludes weekdays 2014-01-10
section A section
Completed task :done, des1, 2014-01-06,2014-01-08
Active task :active, des2, 2014-01-09, 3d
Future task : des3, after des2, 5d
Future task2 : des4, after des3, 5d
classDiagram_类图
classDiagram
Class01 <|-- AveryLongClass : Cool
Class03 *-- Class04
Class05 o-- Class06
Class07 .. Class08
Class09 --> C2 : Where am i?
Class09 --* C3
Class09 --|> Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
classDiagram
Class01 <|-- AveryLongClass : Cool
Class03 *-- Class04
Class05 o-- Class06
Class07 .. Class08
Class09 --> C2 : Where am i?
Class09 --* C3
Class09 --|> Class07
Class07 : equals()
Class07 : Object[] elementData
Class01 : size()
Class01 : int chimp
Class01 : int gorilla
Class08 <--> C2: Cool label
pie chart_饼图
pie
title X产品的关键要素
"Calcium" : 42.96
"Potassium" : 50.05
"Magnesium" : 10.01
"Iron" : 5

state diagram_状态图
stateDiagram
[*] --> Still
Still --> [*]
Still --> Moving
Moving --> Still
Moving --> Crash
Crash --> [*]

· ER diagram_实体关系图
erDiagram
CUSTOMER }|..|{ DELIVERY-ADDRESS : has
CUSTOMER ||--o{ ORDER : places
CUSTOMER ||--o{ INVOICE : "liable for"
DELIVERY-ADDRESS ||--o{ ORDER : receives
INVOICE ||--|{ ORDER : covers
ORDER ||--|{ ORDER-ITEM : includes
PRODUCT-CATEGORY ||--|{ PRODUCT : contains
PRODUCT ||--o{ ORDER-ITEM : "ordered in"

· Git graph
gitGraph:
options
{
"nodeSpacing": 150,
"nodeRadius": 10
}
end
commit
branch newbranch
checkout newbranch
commit
commit
checkout master
commit
commit
merge newbranch

· user journey_体验图
journey
title My working day
section Go to work
Make tea: 5: Me
Go upstairs: 3: Me
Do work: 1: Me, Cat
section Go home
Go downstairs: 5: Me
Sit down: 5: Me
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· user journey_体验图
journey
title My working day
section Go to work
Make tea: 5: Me
Go upstairs: 3: Me
Do work: 1: Me, Cat
section Go home
Go downstairs: 5: Me
Sit down: 5: Me

Mermaid 是一款创新工具,允许用户通过简单的文本语法创建复杂的文档图形,如流程图、时序图和甘特图等。它为文档中嵌入图形提供了便捷的方式,支持流程图、状态图、类图等多种图表类型。
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