koa-static cnpm i koa-static -d const static = requiere('koa-static') 新建static文件夹 static文件夹下面新建1.html server.js加上 server.use(static('./static')); 即可 let staticRouter = new Router(); server.use(static('./static'),{ maxage:864000*1000, //缓存时间，可降低服务器压力 index: '1.html' //默认文件 }) staticRouter.all(/(\.jpg|\.png|\.gif)/i,static('./static',{ maxage:60*86400*1000 })) //如果是jpg,png,gif文件那就缓存两个月 staticRouter.all(/(\.css)$/i,static('./static',{ maxage:1*86400*1000 })); //如果是css文件那就缓存一天 staticRouter.all(/(\.html|\.htm|\.shtml)$/i,static('./static',{ maxage:20*86400*1000 })); staticRouter.all('',static('./static',{ maxage:30*86400*1000 })); //其他文件缓存30天 server.use(staticRouter.roures()); ----------------------------------------------------- koa-beffer-body cnpm i koa-better-body -D ctx.request.fields const Koa = require('koa'); const Router = require('koa-router'); consst body = require('koa-better-body'); let server = new Koa(); server.listen(8520); server.use(body({ //上传的文件储存在这里 uploadDir:'./static/upload' })) server.use(async ctx=>{ //文件和post数据 console.log(ctx.request.fields); ctx.body='aaa'; }); 接着form表单设置文件上传enctype='multipart/.....' ------------------------------------------------------- koa里cookie是自带的 const Koa = require('koa'); const Router = require('koa-router'); let server = new Koa(); server.listen(8520); server.keys=['asdfasdf','asdfasdfa',''...]; //滚动秘钥,加密 server.use(async ctx=>{ ctx.cookies.set('user','blue',{ maxAge: 14*86400*1000, signed: true //签名 }); ctx.cookies.get(); }) 来源：博客园
作者：Comedyy
链接：https://www.cnblogs.com/comedy/p/11802633.html