ant-design/components/date-picker/demo/format.md

order	title
2	[{zh-CN 日期格式} {en-US Date Format}]

zh-CN

使用 format 属性，可以自定义日期显示格式。

en-US

We can set the date format by format.

import { DatePicker } from 'antd';
import moment from 'moment';

const { RangePicker } = DatePicker;

const dateFormat = 'YYYY/MM/DD';
const monthFormat = 'YYYY/MM';

const dateFormatList = ['DD/MM/YYYY', 'DD/MM/YY'];

ReactDOM.render(
  <>
    <DatePicker defaultValue={moment('2015/01/01', dateFormat)} format={dateFormat} />
    <br />
    <DatePicker defaultValue={moment('01/01/2015', dateFormatList[0])} format={dateFormatList} />
    <br />
    <DatePicker defaultValue={moment('2015/01', monthFormat)} format={monthFormat} picker="month" />
    <br />
    <RangePicker
      defaultValue={[moment('2015/01/01', dateFormat), moment('2015/01/01', dateFormat)]}
      format={dateFormat}
    />
  </>,
  mountNode,
);