hurole
63c1e4df63
- 新增装饰器支持(@Get, @Post, @Put, @Delete, @Patch, @Controller) - 实现路由自动注册机制(RouteScanner) - 添加全局异常处理中间件(Exception) - 实现统一响应体格式(ApiResponse) - 新增请求体解析中间件(BodyParser) - 重构控制器为类模式，支持装饰器路由 - 添加示例用户控制器(UserController) - 更新TypeScript配置支持装饰器 - 添加reflect-metadata依赖 - 完善项目文档 Breaking Changes: - 控制器现在返回数据而不是直接设置ctx.body - 新增统一的API响应格式
47 lines
1.2 KiB
TypeScript
47 lines
1.2 KiB
TypeScript
import type Koa from 'koa';
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import type { Middleware } from './types.ts';
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/**
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* 请求体解析中间件
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*/
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export class BodyParser implements Middleware {
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apply(app: Koa): void {
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// 使用动态导入来避免类型问题
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app.use(async (ctx, next) => {
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if (ctx.request.method === 'POST' ||
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ctx.request.method === 'PUT' ||
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ctx.request.method === 'PATCH') {
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// 简单的JSON解析
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if (ctx.request.type === 'application/json') {
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try {
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const chunks: Buffer[] = [];
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ctx.req.on('data', (chunk) => {
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chunks.push(chunk);
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});
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await new Promise((resolve) => {
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ctx.req.on('end', () => {
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const body = Buffer.concat(chunks).toString();
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try {
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(ctx.request as any).body = JSON.parse(body);
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} catch {
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(ctx.request as any).body = {};
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}
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resolve(void 0);
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});
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});
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} catch (error) {
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(ctx.request as any).body = {};
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}
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} else {
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(ctx.request as any).body = {};
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}
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}
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await next();
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});
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}
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}
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