请给出流程图的mermaid语法
时间: 2024-11-05 12:05:29 浏览: 89
Mermaid 是一款基于 Markdown 的图表生成工具,它允许用户使用简单的文本描述创建各种流程图、序列图、类图等。以下是 Mermaid 语法的一些基本例子:
```mermaid
// 流程图(Gantt Chart)
graph TD;
A[开始] --> B(任务1);
B --> C(任务2);
C --> D[结束];
// 循环流程图(Sequential Diagram)
sequenceDiagram
Alice ->> Bob: Hello Bob, how are you?
Bob->> Alice: I am good thanks! How about you?
Alice->> Bob: Fine, thanks for asking.
// 类图(Class Diagram)
classDiagram
Person{+name, +age}
Employee extends Person{-privateKey}
Manager extends Employee{+salary}
// 高级语法:状态机(State Machine)
stateDiagram-v
initial[A]
A -> B: some event
B -> C: another event
C -> A: back to initial state
```
在 Mermaid 中,`graph` 关键字用于表示流程图,然后定义节点和箭头之间的连接。`sequenceDiagram` 用于序列图,描述交互过程。`classDiagram` 则用于绘制类图,展示类及其关系。`stateDiagram-v` 表示状态机。
要在 Markdown 文件中使用 Mermaid,通常需要在前后添加特定的代码块标记,例如使用三个反引号 ````mermaid` 来开始和结束一个 Mermaid 图表区块。
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