1.npm安装
npm install babel-polyfill
npm install es6-promise
package.json中会出现
babel-polyfill: ^6.26.0,
es6-promise: ^4.1.1,
2.main.js引入
import 'babel-polyfill'
import Vue from 'vue'
import Es6Promise from 'es6-promise'
require('es6-promise').polyfill()
Es6Promise.polyfill()
3.webpack.base.
