ant-design/components/collapse/demo/basic.md
偏右 2bced36f0c New component styles (#7731)
* Tweak button padding

* upgrade input and button size

* update form controls size

* update components size

* Add lemon color and update rate color

* Add new icons

* update layout style

* breadcrumb and dropdown

* update menu arrow width

* update layout and menu

* update steps

* fix var name

* update cascasder style

* Update DatePicker

* update InputNumber and Mention

* radio and switch

* select and transfer

* TimePicker & Upload

* more components

* calendar and list

* Tree Timeline Popover Tag

* divider modal popover

* update search input

* update card style

* update switch disabled opacity

* update shoadow and mask

* Add v2-compatible-reset.less

* Fix undefined className

* update snahshotssssssssssssssssss 👻
2017-09-27 22:32:49 +08:00

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---
order: 0
title:
zh-CN: 折叠面板
en-US: Collapse
---
## zh-CN
可以同时展开多个面板,这个例子默认展开了第一个。
## en-US
More than one panel can be expanded at a time, the first panel is initialized to be active in this case.
````jsx
import { Collapse } from 'antd';
const Panel = Collapse.Panel;
function callback(key) {
console.log(key);
}
const text = `
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.
`;
ReactDOM.render(
<Collapse defaultActiveKey={['1']} onChange={callback}>
<Panel header="This is panel header 1" key="1">
<p>{text}</p>
</Panel>
<Panel header="This is panel header 2" key="2">
<p>{text}</p>
</Panel>
<Panel header="This is panel header 3" key="3" disabled>
<p>{text}</p>
</Panel>
</Collapse>
, mountNode);
````
<style>
p {
margin: 0;
}
</style>