272 lines
6.6 KiB
Markdown
272 lines
6.6 KiB
Markdown
# Hono OpenAPI规范
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## 常见不规范问题
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1. **路径参数问题**:
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- ❌ 使用冒号定义路径参数: `/:id`
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- ✅ 必须使用花括号: `/{id}`
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2. **参数Schema缺失**:
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- ❌ 未定义params Schema
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- ✅ 必须定义并添加OpenAPI元数据
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3. **参数获取方式**:
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- ❌ 使用`c.req.param()`
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- ✅ 必须使用`c.req.valid('param')`
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4. **URL参数类型转换**:
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- ❌ 直接使用z.number()验证URL查询参数
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- ✅ 必须使用z.coerce.number()自动转换字符串参数
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5. **OpenAPI元数据**:
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- ❌ 路径参数缺少OpenAPI描述
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- ✅ 必须包含example和description
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6. **api响应**:
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- ❌ 200响应码缺少
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- ✅ 200也必须写,c.json(result, 200)
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7. **认证中间件**:
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- ❌ security: [{ Bearer: [] }],
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- ✅ middleware: [authMiddleware],
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8. **子路由路径**:
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- ❌ path: '/users',
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- ✅ path: '/',
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- ❌ path: '/users/{id}',
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- ✅ path: '/{id}',
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## 核心规范
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### 1. 路由定义
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### 2. 查询参数处理
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- **URL参数类型**:
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- URL查询参数总是以字符串形式传递
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- 必须正确处理字符串到其他类型的转换
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- **数字参数处理**:
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```typescript
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// 错误方式 - 直接使用z.number()
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z.number().int().positive() // 无法处理字符串参数
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// 正确方式 - 使用z.coerce.number()
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z.coerce.number().int().positive() // 自动转换字符串参数
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```
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- **布尔参数处理**:
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```typescript
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// 错误方式 - 直接使用z.boolean()
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z.boolean() // 无法处理字符串参数
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// 正确方式 - 使用z.coerce.boolean()
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z.coerce.boolean() // 自动转换字符串参数
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```
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- **路径参数**:
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- 必须使用花括号 `{}` 定义 (例: `/{id}`)
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- 必须定义 params Schema 并添加 OpenAPI 元数据:
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```typescript
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const GetParams = z.object({
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id: z.string().openapi({
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param: { name: 'id', in: 'path' },
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example: '1',
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description: '资源ID'
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})
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});
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```
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- 路由定义中必须包含 params 定义:
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```typescript
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request: { params: GetParams }
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```
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- 必须使用 `c.req.valid('param')` 获取路径参数
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- **请求定义**:
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```typescript
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request: {
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body: {
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content: {
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'application/json': { schema: YourZodSchema }
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}
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}
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}
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```
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- **响应定义**:
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```typescript
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responses: {
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200: {
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description: '成功响应描述',
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content: { 'application/json': { schema: SuccessSchema } }
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},
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400: {
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description: '客户端错误',
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content: { 'application/json': { schema: ErrorSchema } }
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},
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500: {
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description: '服务器错误',
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content: { 'application/json': { schema: ErrorSchema } }
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}
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}
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```
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列表响应定义示例
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```typescript
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// 列表响应Schema, 响应时,data应统一用实体中定义的schema
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import { RackInfoSchema } from '@/server/modules/racks/rack-info.entity';
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const RackListResponse = z.object({
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data: z.array(RackInfoSchema),
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pagination: z.object({
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total: z.number().openapi({
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example: 100,
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description: '总记录数'
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}),
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current: z.number().openapi({
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example: 1,
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description: '当前页码'
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}),
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pageSize: z.number().openapi({
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example: 10,
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description: '每页数量'
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})
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})
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});
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```
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- **路由示例**:
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```typescript
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const routeDef = createRoute({
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method: 'post',
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path: '/',
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middleware: [authMiddleware],
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request: {
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body: {
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content: { 'application/json': { schema: CreateSchema } }
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}
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},
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responses: {
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200: { ... },
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400: { ... },
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500: { ... }
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}
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});
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```
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### 2. 错误处理
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- 错误响应必须使用统一格式: `{ code: number, message: string }`
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- 必须与OpenAPI定义完全一致
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- 处理示例:
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```typescript
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try {
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// 业务逻辑
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} catch (error) {
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return c.json({ code: 500, message: '操作失败' }, 500);
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}
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```
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### 3. dataSource引入
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- 示例:
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```typescript
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import { AppDataSource } from '@/server/data-source';
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```
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### 4. service初始化
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- 示例:
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```typescript
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import { WorkspaceService } from '@/server/modules/workspaces/workspace.service';
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const workspaceService = new WorkspaceService(AppDataSource);
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### 5. 用户context获取
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- 示例:
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```typescript
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const user = c.get('user');
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```
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- 注意: 确保 `c.get('user')` 已经在 `authMiddleware` 中设置
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### 6. AuthContext引用
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- 示例:
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```typescript
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import { AuthContext } from '@/server/types/context';
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```
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### 7. createRoute, OpenAPIHono 引入
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- 示例:
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```typescript
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import { createRoute, OpenAPIHono } from '@hono/zod-openapi';
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```
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### 8. ErrorSchema 引入
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- 示例:
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```typescript
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import { ErrorSchema } from '@/server/utils/errorHandler';
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```
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## 进阶规范
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### 1. 路由聚合
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当多个相关路由需要组合时:
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1. **文件结构**:
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- 拆分为独立文件 (`create.ts`, `list.ts` 等)
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- 创建 `index.ts` 聚合所有子路由
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```
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src/server/api/
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├── [resource]/ # 资源路由目录
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│ ├── [id]/ # 带ID的子路由
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│ │ ├── get.ts # 获取单条
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│ │ ├── put.ts # 更新单条
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│ │ └── delete.ts # 删除单条
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│ ├── get.ts # 列表查询
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│ ├── post.ts # 创建资源
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│ └── index.ts # 聚合导出
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```
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2. **实现**:
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```typescript
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import listRoute from './get';
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import createRackRoute from './post';
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import getByIdRoute from './[id]/get';
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import updateRoute from './[id]/put';
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import deleteRoute from './[id]/delete';
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import { OpenAPIHono } from '@hono/zod-openapi';
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const app = new OpenAPIHono()
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.route('/', listRoute)
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.route('/', createRackRoute)
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.route('/', getByIdRoute)
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.route('/', updateRoute)
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.route('/', deleteRoute)
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export default app;
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```
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3. **优势**:
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- 保持模块化
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- 简化维护
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- 统一API入口
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## 路由文件代码结构规范
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+imports: 依赖导入
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+serviceInit: 服务初始化
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+paramsSchema: 路径参数定义
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+responseSchema: 响应定义
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+errorSchema: 错误定义
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+routeDef: 路由定义
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+app: 路由实例
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## src/server/api.ts 统一引入
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```ts
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import authRoute from '@/server/api/auth/index'
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const routes = api.route('/api/v1/auth', authRoute)
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```
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## 完整示例
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```typescript
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// 路由实例
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const app = new OpenAPIHono<AuthContext>().openapi(routeDef, async (c) => {
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try {
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// 业务逻辑
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return c.json(result, 200);
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} catch (error) {
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return c.json({
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code: 500,
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message: error instanceOf Error ? error.message : '操作失败'
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}, 500);
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}
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});
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export default app;
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``` |