import { get, put, post, del, patch } from 'koa-router-decors';
class User {
    @get('/user')
    async get(ctx) {
        ctx.body = {
            user: {},
        };
    }
}

import * as Koa from 'koa';
import { load } from 'koa-router-decors';

const app = new Koa();
app.use(load('/api', 'router_path').routes());
app.listen(9100);

// 给User类上所有路由添加中间件
@middlewares([setResponseTime])
class User {
    // 一个方法可以生成多个路由；针对特定路由，可以修改前缀，也可以添加中间件
    @get('/method')
    @get('/method', { prefix: '', middlewares: [] })
    async get(ctx: Koa.Context) {
        ctx.body = {
            method: ctx.method,
        };
    }
}

async function setResponseTime(ctx, next) {
    let date = new Date();
    await next();
    ctx.set('X-Response-Time', String(new Date().getTime() - date.getTime()));
}

const app = new Koa();
// 可以多次调用`load`分别加载不同的目录
app.use(load('/api', `${__dirname}/router/api`).routes());
app.use(load('/web', `${__dirname}/router/web`).routes());
export default app.listen(9100);