npm install moment --save 
或
yarn add moment 

// mian.js
import Vue from 'vue'
import moment from 'moment'

// 设置本地时区
moment.locale('zh-cn')
Vue.prototype.$moment = moment

npm install echarts --save

// src/utils/echarts.js
// 按需引入需要的包
import echarts from 'echarts/dist/echarts.min.js'
import china from 'echarts/map/json/china.json'
echarts.registerMap('china', china)

// 引入需使用的模块包
require('echarts/lib/chart/line')
require('echarts/lib/chart/bar')
require('echarts/lib/chart/scatter')
require('echarts/lib/chart/pie')

// 引入提示框和title组件，图例
require('echarts/lib/component/tooltip')
require('echarts/lib/component/title')
require('echarts/lib/component/legend')
require('echarts/lib/component/legendScroll') // 图例滚动

export default echarts