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.conf.js
module.exports = { entry: { "babel-polyfill":"babel-polyfill", app: ‘./src/main.js‘ },
原文：http://www.cnblogs.com/sophie_wang/p/7850596.html