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’)
})