//在server/interface/city.js import Router from 'koa-router'; const router = new Router({ prefix:'/city' //给路由添加前缀 }) router.get('/list', async (ctx) => { ctx.body=['北京','天津'] }) export default router; //在server/index.js import cityInterface from './interface/city' app.use(cityInterface.routes()).use(cityInterface.allowedMethods()) //固定写法 测试一下curl http://localhost:3000/city/list 或者浏览器输入http://localhost:3000/city/list