1、安装 koa-static
npm install --save koa-static
2、引入配置中间件
const koaStatic= require('koa
static');app.use(koaStatic(
path.join( __dirname, 'public')
))
app.use(koaStatic(__
dirname, 'public'))
html写法
<link rel="stylesheet" href="public/css/reset.css">