ant-design/components/collapse/demo/borderless.md

order	title
3	zh-CN en-US 简洁风格 Borderless

zh-CN

一套没有边框的简洁样式。

en-US

A borderless style of Collapse.

import { Collapse } from 'antd';
const Panel = Collapse.Panel;

const text = (
  <p style={{ paddingLeft: 24 }}>
    A dog is a type of domesticated animal.
    Known for its loyalty and faithfulness,
    it can be found as a welcome guest in many households across the world.
  </p>
);

ReactDOM.render(
  <Collapse bordered={false} defaultActiveKey={['1']}>
    <Panel header="This is panel header 1" key="1">
      {text}
    </Panel>
    <Panel header="This is panel header 2" key="2">
      {text}
    </Panel>
    <Panel header="This is panel header 3" key="3">
      {text}
    </Panel>
  </Collapse>
, mountNode);