router.get('/user/login', function (req, res) {
 console.log(req,req.session)
})

// server/index.js文件
...
import session from 'express-session'
...
app.use(session)
...

router.get('/user/login', function (req, res) {
 console.log(req.session)
})

import {Router} from 'express'
const router = Router()
import request from 'superagent'
router.get('/user/login', function (req, res) {
  request
   .get(path)
   .query(req.query)
   .set('Content-Type', 'application/json;charset=UTF-8')
   .end((err, _res) => {
    if (_res.body.code === 200) {
     req.session.authUser = _res.body.data //将返回的用户数据存到session
    }
    res.json(_res.body)
   })
}

actions: {
 nuxtServerInit ({ commit }, { req }) {
  if (req.session.user) {
   commit('user', req.session.user)
  }
 }
}

export default{
  middleware: auth
}

export default function ({store,redirect}) {
 if (!store.state.authUser) {
    return redirect('/user/login')
  }
}

import express from 'express'
import {
 Nuxt,
 Builder
} from 'nuxt'
import session from 'express-session'
import redis from 'connect-redis'
import bodyParser from 'body-parser'
import api from './api'
import serverConfig from './config' //redis配置文件

const app = express()
const host = process.env.HOST || '127.0.0.1'
const port = process.env.PORT || 3000

const RedisStore = redis(session)
app.use(bodyParser.json())

app.use('/static', express.static('static'))

app.use(session({
 name: 'sid',
 secret: 'Asecret123-',
 resave: true,
 rolling: true,
 saveUninitialized: false,
 store: new RedisStore(serverConfig)
}))

app.set('port', port)

// Import API Routes
app.use('/api', api)

app.use('/', api)

// Import and Set Nuxt.js options
let config = require('../nuxt.config.js')
config.dev = !(process.env.NODE_ENV === 'production')

// Init Nuxt.js
const nuxt = new Nuxt(config)

// Build only in dev mode
if (config.dev) {
 const builder = new Builder(nuxt)
 builder.build()
}

// Give nuxt middleware to express
app.use(nuxt.render)

// Listen the server
app.listen(port, host)
console.log('Server listening on ' + host + ':' + port) // eslint-disable-line no-console