npm install vue-resource --save
npm install json-server --save

// main.js
import VueResource from 'vue-resource'
Vue.use(VueResource)
   this.$http.get('api/getNewsList')
    .then(function (data) {
     console.log(data)
    }, function (err) {
     console.log(err)
    })

// dev-server.js
var jsonServer = require('json-server')
var apiServer = jsonServer.create()
var apiRouter = jsonServer.router('db.json')
var middlewares = jsonServer.defaults()

apiServer.use(middlewares)
apiServer.use('/api', apiRouter)
apiServer.listen(port + 1, function () {
 console.log('JSON Server is running')
})
// config/index.js
dev:{
  ...
  proxyTable: {
   '/api/': 'http://localhost:8081/'
  },
  ...
}