koa2基础篇

目录

Hello world

---

/**
 * hello world
 */
const Koa = require('koa');
const App = new Koa();

console.log(Koa);

App.use(async (ctx)=>{
   ctx.body = 'hello world'
});
App.listen('3000',()=>{
    console.log('start-quick is starting at port 3000')
});