This theme now supports the use of Mermaid to draw flowcharts, sequence diagrams, Gantt charts, state diagrams, relationship diagrams, and more in plain text format. With the gradual development of Mermaid, various types of diagrams will be introduced in the future. For more types and usage methods, please follow its official website:https://mermaid-js.github.io/.

Instructions for use

{{< note info >}}

• Create a new article using the hugo new command
• Write various types of diagrams using short code, with 2 built-in parameters: Align and bc (background color) can refer to the following usage examples

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Process diagram

{{</* mermaid align="left" */>}}
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
{{</* /mermaid */>}}

{{< mermaid align="left" >}} graph TD; A-->B; A-->C; B-->D; C-->D; {{< /mermaid >}}

Timing diagram

{{</* mermaid bc="#eee"  */>}}
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!
{{</* /mermaid */>}}

{{< mermaid bc="#eee" >}} 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
prevail! John-->>Alice: Great! John->>Bob: How about you? Bob-->>John: Jolly good! {{< /mermaid >}}

Class diagram

{{</* mermaid */>}}
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
{{</* /mermaid */>}}

{{< mermaid >}} 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 {{< /mermaid >}}

Gantt Chart

{{</* mermaid */>}}
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
{{</* /mermaid */>}}

{{< mermaid >}} 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 {{< /mermaid >}}

Entity Relationship Diagram

{{</* mermaid */>}}
erDiagram
CUSTOMER ||--o{ ORDER : places
ORDER ||--|{ LINE-ITEM : contains
CUSTOMER }|..|{ DELIVERY-ADDRESS : uses
{{</* /mermaid */>}}

{{< mermaid >}} erDiagram CUSTOMER ||--o{ ORDER : places ORDER ||--|{ LINE-ITEM : contains CUSTOMER }|..|{ DELIVERY-ADDRESS : uses {{< /mermaid >}}

User Journey

{{</* mermaid */>}}
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 */>}}

{{< mermaid >}} 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 >}}