koa初探

const router = require('koa-router')()router.get('/', async (ctx, next) => {    await ctx.render('index', {        title: 'Hello Koa 2!'    })})router.get('/string', async (ctx, next) => {    ctx.body = 'koa2 string'})router.get('/json', async (ctx, next) => {    // http://localhost:3000/json?name=lius&age=26&sex=true    ctx.body = {        url: ctx.url,        ctx_query: ctx.query,        ctx_querystring: ctx.querystring    }    // {    //     "url": "/json?name=lius&age=26&sex=true",    //     "ctx_query": {    //         "name": "lius",    //         "age": "26",    //         "sex": "true"    //     },    //     "ctx_querystring": "name=lius&age=26&sex=true"    // }})router.post('/json',async (ctx,next)=>{    await ctx.cookies.set('name',ctx.request.body.name)    console.log('name',ctx.cookies.get('name'))        ctx.body =  ctx.request.body})module.exports = router