ant-design/components/dropdown/demo/arrow.md
wendellhu 4512d467ab
feat: dropdown support arrow (#23869)
* feat: dropdown support arrow prop

close #22758

* test: update snapshot

* fix: fix dropdown cls names

* test: update snapshot

* test: update snapshot

* doc: update demo

* test: update demo snapshot

* demo

* fix: snapshot
2020-06-05 20:12:18 +08:00

76 lines
1.6 KiB
Markdown

---
order: 2
title:
zh-CN: 箭头
en-US: Arrow
---
## zh-CN
可以展示一个箭头。
## en-US
You could display an arrow.
```jsx
import { Menu, Dropdown, Button } from 'antd';
const menu = (
<Menu>
<Menu.Item>
<a target="_blank" rel="noopener noreferrer" href="http://www.alipay.com/">
1st menu item
</a>
</Menu.Item>
<Menu.Item>
<a target="_blank" rel="noopener noreferrer" href="http://www.taobao.com/">
2nd menu item
</a>
</Menu.Item>
<Menu.Item>
<a target="_blank" rel="noopener noreferrer" href="http://www.tmall.com/">
3rd menu item
</a>
</Menu.Item>
</Menu>
);
ReactDOM.render(
<>
<Dropdown overlay={menu} placement="bottomLeft" arrow>
<Button>bottomLeft</Button>
</Dropdown>
<Dropdown overlay={menu} placement="bottomCenter" arrow>
<Button>bottomCenter</Button>
</Dropdown>
<Dropdown overlay={menu} placement="bottomRight" arrow>
<Button>bottomRight</Button>
</Dropdown>
<br />
<Dropdown overlay={menu} placement="topLeft" arrow>
<Button>topLeft</Button>
</Dropdown>
<Dropdown overlay={menu} placement="topCenter" arrow>
<Button>topCenter</Button>
</Dropdown>
<Dropdown overlay={menu} placement="topRight" arrow>
<Button>topRight</Button>
</Dropdown>
</>,
mountNode,
);
```
```css
#components-dropdown-demo-arrow .ant-btn {
margin-right: 8px;
margin-bottom: 8px;
}
.ant-row-rtl #components-dropdown-demo-arrow .ant-btn {
margin-right: 0;
margin-bottom: 8px;
margin-left: 8px;
}
```