mermaid 文档

flowchart LR
Start --> Stop

flowchart LR
Start --> Stop

flowchart TD
Start ==> Stop

方向

可能的流程图方向是：

TB - 从上到下
TD - 自上而下/与自上而下相同
BT - 从下到上
RL - 右到左
LR - 左到右

节点形状

节点之间的链接

序列图 sequenceDiagram

类图 classDiagram

状态图 stateDiagram-v2

stateDiagram-v2
    [*] --> First
    state First {
        [*] --> second
        second --> [*]
    }

    [*] --> NamedComposite
    NamedComposite: Another Composite
    state NamedComposite {
        [*] --> namedSimple
        namedSimple --> [*]
        namedSimple: Another simple
    }

实体关系图 erDiagram


erDiagram
    CAR ||--o{ NAMED-DRIVER : allows
    CAR {
        string registrationNumber PK
        string make
        string model
        string[] parts
    }
    PERSON ||--o{ NAMED-DRIVER : is
    PERSON {
        string driversLicense PK "The license #"
        string(99) firstName "Only 99 characters are allowed"
        string lastName
        string phone UK
        int age
    }
    NAMED-DRIVER {
        string carRegistrationNumber PK, FK
        string driverLicence PK, FK
    }
    MANUFACTURER only one to zero or more CAR : makes