// 引入模块

const Koa = require('koa');

const router = require('koa-router')(); /*引入是实例化路由 推荐*/

// 实例化

let app = new Koa();

router.get('/', async (ctx) => {

  ctx.body = '首页';

})

router.get('/news', async (ctx) => {

  ctx.body = '新闻列表页面';

})

router.get('/newscontent', async (ctx) => {

  ctx.body = '新闻详情';

})

app.use(router.routes());

app.use(router.allowedMethods());

app.listen(3000);