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# Proposal: 后端 API 规范化
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## Why
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现有后端 API 存在以下问题:
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1. 接口设计风格不统一
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2. 响应格式不一致
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3. 错误处理不规范
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4. 缺乏 API 版本管理
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5. 部分接口性能低下
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## What
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规范化后端 API:
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1. 统一 RESTful API 设计规范
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2. 统一响应格式和错误码
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3. 优化接口性能
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4. 添加 API 文档(Swagger/OpenAPI)
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5. 重构 Service 层逻辑
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## Success Criteria
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1. 所有 API 遵循 RESTful 规范
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2. 响应格式 100% 统一
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3. 接口响应时间 < 200ms(P95)
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4. API 文档完整可访问
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5. 前端调用无兼容性问题
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## Non-Goals
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- 不改变数据库表结构
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- 不改变业务逻辑
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- 不引入新的数据库依赖
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## Dependencies
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- 依赖 refactor-architecture-analysis 的交互规范
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