nunjucks模板和登录功能

const koa = require('koa') //引入koa构造函数

const app = new koa() //创建实例

const view = require('koa-views')

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

const nunjucks = require('nunjucks')

const parser = require('koa-parser')

app.use(parser())

app.use(view(__dirname + '/views', { map: { html: 'nunjucks' } }))

// app.use(async ctx => {

//   await ctx.render('index', { title: 'hello world nunjucks' })

// })

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

  await ctx.render('index', { title: '首页' })

})

router.post('/login', async ctx => {

  let username = ctx.request.body.username

  let password = ctx.request.body.password

  console.log(username)

  if ((username = 'admin' && password == 123456)) {

    await ctx.render('login', { text: '登录成功' })

  } else {

    await ctx.render('login', { text: '登录失败' })

  }

})

app.use(router.routes())

app.listen(3000, () => {

  console.log('server is running')

})