ant-design/components/pagination/demo/changer.md

order	title
2	改变

改变每页显示条目数。

import { Pagination } from 'antd';

function onShowSizeChange(current, pageSize) {
  console.log(current, pageSize);
}

ReactDOM.render(
  <Pagination showSizeChanger onShowSizeChange={onShowSizeChange} defaultCurrent={3} total={500} />,
 mountNode);