mermaid
概述
主题支持在 文章中 嵌入由 Mermaid 。
该功能由 @vuepress/plugin-markdown-chart 提供支持。
配置
主题默认不启用该功能。
你需要在你的项目中安装 mermaid 库。
pnpm
pnpm add mermaidyarn
yarn add mermaidnpm
npm install mermaid然后在 .vuepress/config.ts 配置文件中，启用该功能：
export default defineUserConfig({
theme: plumeTheme({
markdown: {
mermaid: true,
},
})
})注
以下文档 Fork 自 @vuepress/plugin-markdown-chart, 遵循 MIT 许可证。
语法
```mermaid
<!-- 在此处放置 mermaid 代码 -->
```除了使用 mermaid 代码块，你也可以直接使用以下代码块：
- class:
classDiagram - c4c:
C4Context - er:
erDiagram - gantt:
gantt - git-graph:
gitGraph - journey:
journey - mindmap:
mindmap - pie:
pie - quadrant:
quadrantChart - requirement:
requirementDiagram - sankey:
sankey-beta - sequence:
sequenceDiagram - state:
stateDiagram-v2 - timeline:
timeline - xy:
xychart-beta
你不需要再声明图表类型，也不需要缩进图表代码。
当图表支持设置标题时，你可以直接在代码块信息后添加标题:
```sequence 代码标题
<!-- 顺序图代码内容
... -->
```配置文档详见 Mermaid 文档
高级
你可以在 客户端配置文件 中导入并使用 defineMermaidConfig 来自定义 Mermaid 配置:
import { defineMermaidConfig } from '@vuepress/plugin-markdown-chart/client'
import { defineClientConfig } from 'vuepress/client'
defineMermaidConfig({
// 在此设置 mermaid 选项
})
export default defineClientConfig({
// ...
})示例
流程图
输入：
```mermaid
---
title: Flowchart
---
flowchart TB
c1-->a2
subgraph one
a1-->a2
end
subgraph two
b1-->b2
end
subgraph three
c1-->c2
end
one --> two
three --> two
two --> c2
```输出：
循序图
输入：
```sequence Greetings
Alice ->> Bob: Hello Bob, how are you?
Bob-->>John: How about you John?
Bob--x Alice: I am good thanks!
Bob-x John: I am good thanks!
Note right of John: Bob thinks a long<br/>long time, so long<br/>that the text does<br/>not fit on a row.
Bob-->Alice: Checking with John...
Alice->John: Yes... John, how are you?
```输出：
类图
输入：
```class Animal Example
note "From Duck till Zebra"
Animal <|-- Duck
note for Duck "can fly\ncan swim\ncan dive\ncan help in debugging"
Animal <|-- Fish
Animal <|-- Zebra
Animal : +int age
Animal : +String gender
Animal: +isMammal()
Animal: +mate()
class Duck{
+String beakColor
+swim()
+quack()
}
class Fish{
-int sizeInFeet
-canEat()
}
class Zebra{
+bool is_wild
+run()
}
```输出：
状态图
输入：
```state Check if n is negative
state if_state <<choice>>
[*] --> IsPositive
IsPositive --> if_state
if_state --> False: if n < 0
if_state --> True : if n >= 0
```输出：
关系图
输入：
```er Er Example
CAR ||--o{ NAMED-DRIVER : allows
CAR {
string registrationNumber
string make
string model
}
PERSON ||--o{ NAMED-DRIVER : is
PERSON {
string firstName
string lastName
int age
}
```输出：
用户日记图
输入：
```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
```输出：
甘特图
输入：
查看代码
```gantt
dateFormat YYYY-MM-DD
title Adding GANTT diagram functionality to mermaid
excludes weekends
%% (`excludes` accepts specific dates in YYYY-MM-DD format, days of the week ("sunday") or "weekends", but not the word "weekdays".)
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
section Critical tasks
Completed task in the critical line :crit, done, 2014-01-06,24h
Implement parser :crit, done, after des1, 2d
Create tests for parser :crit, active, 3d
Future task in critical line :crit, 5d
Create tests for renderer :2d
Add to mermaid :1d
section Documentation
Describe gantt syntax :active, a1, after des1, 3d
Add gantt diagram to demo page :after a1 , 20h
Add another diagram to demo page :doc1, after a1 , 48h
section Last section
Describe gantt syntax :after doc1, 3d
Add gantt diagram to demo page :20h
Add another diagram to demo page :48h
```输出：
饼图
输入：
```pie
title What Voldemort doesn't have?
"FRIENDS" : 2
"FAMILY" : 3
"NOSE" : 45
```输出：
Git 图表
输入：
查看代码
```git-graph
commit
branch hotfix
checkout hotfix
commit
branch develop
checkout develop
commit id:"ash" tag:"abc"
branch featureB
checkout featureB
commit type:HIGHLIGHT
checkout main
checkout hotfix
commit type:NORMAL
checkout develop
commit type:REVERSE
checkout featureB
commit
checkout main
merge hotfix
checkout featureB
commit
checkout develop
branch featureA
commit
checkout develop
merge hotfix
checkout featureA
commit
checkout featureB
commit
checkout develop
merge featureA
branch release
checkout release
commit
checkout main
commit
checkout release
merge main
checkout develop
merge release
```输出：
C4C 图表
输入：
查看代码
```c4c
title System Context diagram for Internet Banking System
Person(customerA, "Banking Customer A", "A customer of the bank, with personal bank accounts.")
Person(customerB, "Banking Customer B")
Person_Ext(customerC, "Banking Customer C")
System(SystemAA, "Internet Banking System", "Allows customers to view information about their bank accounts, and make payments.")
Person(customerD, "Banking Customer D", "A customer of the bank, <br/> with personal bank accounts.")
Enterprise_Boundary(b1, "BankBoundary") {
SystemDb_Ext(SystemE, "Mainframe Banking System", "Stores all of the core banking information about customers, accounts, transactions, etc.")
System_Boundary(b2, "BankBoundary2") {
System(SystemA, "Banking System A")
System(SystemB, "Banking System B", "A system of the bank, with personal bank accounts.")
}
System_Ext(SystemC, "E-mail system", "The internal Microsoft Exchange e-mail system.")
SystemDb(SystemD, "Banking System D Database", "A system of the bank, with personal bank accounts.")
Boundary(b3, "BankBoundary3", "boundary") {
SystemQueue(SystemF, "Banking System F Queue", "A system of the bank, with personal bank accounts.")
SystemQueue_Ext(SystemG, "Banking System G Queue", "A system of the bank, with personal bank accounts.")
}
}
BiRel(customerA, SystemAA, "Uses")
BiRel(SystemAA, SystemE, "Uses")
Rel(SystemAA, SystemC, "Sends e-mails", "SMTP")
Rel(SystemC, customerA, "Sends e-mails to")
```输出：
思维导图
输入：
```mindmap
root((VuePress))
Out of box
Default theme
Navbar
Sidebar
Darkmode
I18n
Search
Search
DocSearch<br />by algolia
Customize
Theme
(hope)
Plugins
(components)
(md-enhance)
```输出：
时序图
输入：
```timeline
title Timeline of Industrial Revolution
section 17th-20th century
Industry 1.0 : Machinery, Water power, Steam <br>power
Industry 2.0 : Electricity, Internal combustion engine, Mass production
Industry 3.0 : Electronics, Computers, Automation
section 21st century
Industry 4.0 : Internet, Robotics, Internet of Things
Industry 5.0 : Artificial intelligence, Big data,3D printing
```输出：
桑基图
输入：
查看代码
```sankey
Agricultural 'waste',Bio-conversion,124.729
Bio-conversion,Liquid,0.597
Bio-conversion,Losses,26.862
Bio-conversion,Solid,280.322
Bio-conversion,Gas,81.144
Biofuel imports,Liquid,35
Biomass imports,Solid,35
Coal imports,Coal,11.606
Coal reserves,Coal,63.965
Coal,Solid,75.571
District heating,Industry,10.639
District heating,Heating and cooling - commercial,22.505
District heating,Heating and cooling - homes,46.184
Electricity grid,Over generation / exports,104.453
Electricity grid,Heating and cooling - homes,113.726
Electricity grid,H2 conversion,27.14
Electricity grid,Industry,342.165
Electricity grid,Road transport,37.797
Electricity grid,Agriculture,4.412
Electricity grid,Heating and cooling - commercial,40.858
Electricity grid,Losses,56.691
Electricity grid,Rail transport,7.863
Electricity grid,Lighting & appliances - commercial,90.008
Electricity grid,Lighting & appliances - homes,93.494
Gas imports,Ngas,40.719
Gas reserves,Ngas,82.233
Gas,Heating and cooling - commercial,0.129
Gas,Losses,1.401
Gas,Thermal generation,151.891
Gas,Agriculture,2.096
Gas,Industry,48.58
Geothermal,Electricity grid,7.013
H2 conversion,H2,20.897
H2 conversion,Losses,6.242
H2,Road transport,20.897
Hydro,Electricity grid,6.995
Liquid,Industry,121.066
Liquid,International shipping,128.69
Liquid,Road transport,135.835
Liquid,Domestic aviation,14.458
Liquid,International aviation,206.267
Liquid,Agriculture,3.64
Liquid,National navigation,33.218
Liquid,Rail transport,4.413
Marine algae,Bio-conversion,4.375
Ngas,Gas,122.952
Nuclear,Thermal generation,839.978
Oil imports,Oil,504.287
Oil reserves,Oil,107.703
Oil,Liquid,611.99
Other waste,Solid,56.587
Other waste,Bio-conversion,77.81
Pumped heat,Heating and cooling - homes,193.026
Pumped heat,Heating and cooling - commercial,70.672
Solar PV,Electricity grid,59.901
Solar Thermal,Heating and cooling - homes,19.263
Solar,Solar Thermal,19.263
Solar,Solar PV,59.901
Solid,Agriculture,0.882
Solid,Thermal generation,400.12
Solid,Industry,46.477
Thermal generation,Electricity grid,525.531
Thermal generation,Losses,787.129
Thermal generation,District heating,79.329
Tidal,Electricity grid,9.452
UK land based bioenergy,Bio-conversion,182.01
Wave,Electricity grid,19.013
Wind,Electricity grid,289.366
```输出：
依赖图
输入：
```requirement
requirement test_req {
id: 1
text: the test text.
risk: high
verifymethod: test
}
element test_entity {
type: simulation
}
test_entity - satisfies -> test_req
```输出：
象限图
输入：
```quadrant
title Reach and engagement of campaigns
x-axis Low Reach --> High Reach
y-axis Low Engagement --> High Engagement
quadrant-1 We should expand
quadrant-2 Need to promote
quadrant-3 Re-evaluate
quadrant-4 May be improved
Campaign A: [0.3, 0.6]
Campaign B: [0.45, 0.23]
Campaign C: [0.57, 0.69]
Campaign D: [0.78, 0.34]
Campaign E: [0.40, 0.34]
Campaign F: [0.35, 0.78]
```输出：
XY图
输入：
```xy
title "Sales Revenue"
x-axis [jan, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec]
y-axis "Revenue (in $)" 4000 --> 11000
bar [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]
line [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]
```输出：
块图
输入：
```block
columns 3
前端 blockArrowId6<[" "]>(right) 后端
space:2 down<[" "]>(down)
硬盘 left<[" "]>(left) Database[("数据库")]
classDef front fill:#696,stroke:#333;
classDef back fill:#969,stroke:#333;
class Frontend front
class Backend,Database back
```输出：
复杂例子
输入：
查看代码
```mermaid
graph TB
sq[Square shape] --> ci((Circle shape))
subgraph A
od>Odd shape]-- Two line<br/>edge comment --> ro
di{Diamond with <br/> line break} -.-> ro(Rounded<br>square<br>shape)
di==>ro2(Rounded square shape)
end
%% Notice that no text in shape are added here instead that is appended further down
e --> od3>Really long text with line break<br>in an Odd shape]
%% Comments after double percent signs
e((Inner / circle<br>and some odd <br>special characters)) --> f(,.?!+-*ز)
cyr[Cyrillic]-->cyr2((Circle shape));
classDef green fill:#9f6,stroke:#333,stroke-width:2px;
classDef orange fill:#f96,stroke:#333,stroke-width:4px;
class sq,e green
class di orange
```输出：
