ant-design/components/rate/demo/clear.md

order	title
4	zh-CN en-US 清除 Clear star

zh-CN

支持允许或者禁用清除。

en-US

Support set allow to clear star when click again.

import { Rate } from 'antd';

ReactDOM.render(
  <div>
    <Rate defaultValue={3} /> allowClear: true
    <br />
    <Rate allowClear={false} defaultValue={3} /> allowClear: false
  </div>,
  mountNode);