ant-design/components/carousel/demo/fade.md

order	title
2	渐显

切换效果为渐显。

import { Carousel } from 'antd';

ReactDOM.render(
  <Carousel effect="fade">
    <div><h3>1</h3></div>
    <div><h3>2</h3></div>
    <div><h3>3</h3></div>
    <div><h3>4</h3></div>
  </Carousel>
, mountNode);