Hello World 示例
const Koa = require('koa')
const app = new Koa()
app.use(async ctx => {
ctx.body = 'Hello World'
})
app.listen(8080)
const Koa = require('koa')
const app = new Koa()
app.use(async ctx => {
ctx.body = 'Hello World'
})
app.listen(8080)