npm i element-react --save
npm install element-theme-default --save #主题

import React from ‘react‘;
import ReactDOM from ‘react-dom‘;
import { Button } from ‘element-react‘;

import ‘element-theme-default‘;

ReactDOM.render(<Button type="primary">Hello</Button>, document.getElementById(‘app‘));

Compiling...
Failed to compile.

./node_modules/element-react/dist/npm/es5/libs/animate/transition.js
Module not found: Can‘t resolve ‘react-hot-loader‘ in ‘E:\selfweb\git_dev\react\my-app2\node_modules\element-react\dist\npm\es5\libs\animate‘

npm install react-hot-loader@next