ant-design/components/badge/demo/overflow.md

order	title
2	zh-CN en-US 封顶数字 Overflow Count

zh-CN

超过 overflowCount 的会显示为 ${overflowCount}+，默认的 overflowCount 为 99。

en-US

${overflowCount}+ is displayed when count is larger than overflowCount. The default value of overflowCount is 99.

import { Badge } from 'antd';

ReactDOM.render(<div>
  <Badge count={99}>
    <a href="#" className="head-example" />
  </Badge>
  <Badge count={100}>
    <a href="#" className="head-example" />
  </Badge>
  <Badge count={99} overflowCount={10}>
    <a href="#" className="head-example" />
  </Badge>
  <Badge count={1000} overflowCount={999}>
    <a href="#" className="head-example" />
  </Badge>
</div>, mountNode);