安装koa
npm i koa
创建koa实例,创建index.js 文件
const Koa = require('koa');
const app = new Koa();
app.use(async ctx => { ctx.body = 'Hello World';});
app.listen(3000);
运行应用
node index.js
npm i koa
const Koa = require('koa');
const app = new Koa();
app.use(async ctx => { ctx.body = 'Hello World';});
app.listen(3000);
node index.js