Vue中elementUI的两种引入方式

全局引入elementUI
import ElementUI from ‘element-ui’;
import ‘element-ui/lib/theme-chalk/index.css’;
Vue.use(ElementUI);

按需引入elementUI
先下载插件 npm install babel-plugin-component -D
修改babel.config.js文件

plugins: [
   [
     'component',
     {
       libraryName: 'element-ui',
       styleLibraryName: 'theme-chalk'
     },
   ],
 ],`

import { Button } from ‘element-ui’;
import ‘element-ui/lib/theme-chalk/index.css’;
Vue.use(Button);