session和cookie

const Koa = require('koa')

const router = require('koa-router')()

const views = require('koa-views')

const nunjucks = require('nunjucks')

const session = require('koa-session')

const app = new Koa()

app.keys = ['123456']

app.use(

  session(

    {

      maxAge: 10*1000

    },

    app

  )

)

app.use(

  views(__dirname + '/views', {

    map: { html: 'nunjucks' }

  })

)

//cookie

router.get('/', ctx => {

  ctx.cookies.set('user', 'username')

  ctx.body = 'cookie'

})

router.get('/test', ctx => {

  let count = ctx.cookies.get('count') //获取cookie

  if (count > 0) {

    count++

    ctx.cookies.set('count', count, {

      maxAge: 2000 //设置cookie过期时间

    })

  } else {

    count = 1

    ctx.cookies.set('count', count)

  }

  ctx.body = count

})

//session

router.get('/session', async ctx => {

  ctx.session.user = 'admin'

  console.log(ctx.session.user)

  ctx.body = 'set session'

})

router.get('/sessionq', async ctx => {

  let user = ctx.session.user

  console.log(user)

  ctx.body = user

})

app.use(router.routes())

app.listen(3001, () => {

  console.log('server is running')

})