模板 / flowchart
请求限流逻辑
包含配额检查和重试提示的限流判定逻辑,适合作为 API 行为文档模板。
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Mermaid 11 渲染器
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Mermaid 源码
flowchart
flowchart TD
req[Incoming request] --> auth{Valid API key?}
auth -->|no| deny401[Return 401]
auth -->|yes| quota{Quota remaining?}
quota -->|yes| serve[Process request]
quota -->|no| burst{Burst allowance left?}
burst -->|yes| serveSlow[Process at reduced priority]
burst -->|no| deny429[Return 429 + Retry-After]
serve --> log[Record usage]
serveSlow --> log