参考：https://blog.csdn.net/u010881899/article/details/80895661
例：引入element-ui
js：
mounted() { const oScript = document.createElement(‘script‘); oScript.type = ‘text/javascript‘; oScript.src = ‘https://unpkg.com/element-ui@2.3.7/lib/index.js‘; document.body.appendChild(oScript); }
css:
<style scoped> @import ‘https://unpkg.com/element-ui@2.3.7/lib/theme-chalk/index.css‘; </style>
原文：https://www.cnblogs.com/linjiangxian/p/11460851.html