模板 / sequenceDiagram
用户登录时序图
包含令牌签发与失败分支的登录流程,适合用来说明鉴权接口和会话行为。
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Mermaid 源码
sequenceDiagram
sequenceDiagram
autonumber
actor User
participant App as Web app
participant API as Auth API
participant DB as User store
User->>App: Enter email and password
App->>API: POST /sessions
API->>DB: Look up user record
DB-->>API: User + password hash
alt Credentials valid
API-->>App: 201 session + JWT
App-->>User: Redirect to dashboard
else Credentials invalid
API-->>App: 401 unauthorized
App-->>User: Show error message
end