echartscreen

vue create echartscreen

npm install echarts --save

npm i koa-generator -g
koa2 service
cd service
npm i

const json = require('koa-json')
const Koa = require('koa')
const app = new Koa()

app.use(json())

app.use((ctx) => {
  ctx.body = { foo: 'bar' }
})

{
  "foo": "bar"
}

var Koa = require('koa')
var bodyParser = require('koa-bodyparser')

var app = new Koa()
app.use(bodyParser())

app.use(async (ctx) => {
  // the parsed body will store in ctx.request.body
  // if nothing was parsed, body will be an empty object {}
  ctx.body = ctx.request.body
})

app.use(require('koa-static')(__dirname + '/public'))

//npm install --save koa2-cors

var Koa = require('koa')
var cors = require('koa2-cors')

var app = new Koa()
app.use(cors())

npm run start

// 2. 安装前端包 并启动
cd echartscreen
npm i
npm run serve
// 3. 安装服务器包 并启动
cd service
npm i
npm run start