mirror of
https://gitee.com/ant-design/ant-design.git
synced 2024-12-16 01:41:02 +08:00
e5451a95cb
* feat: add pointAtCenter prop for dropdown * feat: dropdown support arrow pointing at center * chore: code clean * chore: use getPlacements in tooltip * feat: dropdown support 'top' and 'bottom' * chore: update snapshot * chore: move placements to util folder * feat: make 'topCenter' and 'bottomCenter' in Dropdown deprecated * test: update snapshot * test: add test for topCenter and bottomCenter
76 lines
1.9 KiB
Markdown
76 lines
1.9 KiB
Markdown
---
|
|
order: 3
|
|
title:
|
|
zh-CN: 箭头指向
|
|
en-US: Arrow pointing at the center
|
|
---
|
|
|
|
## zh-CN
|
|
|
|
设置 `arrow` 为 `{ pointAtCenter: true }` 后，箭头将指向目标元素的中心。
|
|
|
|
## en-US
|
|
|
|
By specifying `arrow` prop with `{ pointAtCenter: true }`, the arrow will point to the center of the target element.
|
|
|
|
```jsx
|
|
import { Menu, Dropdown, Button } from 'antd';
|
|
|
|
const menu = (
|
|
<Menu>
|
|
<Menu.Item>
|
|
<a target="_blank" rel="noopener noreferrer" href="https://www.antgroup.com">
|
|
1st menu item
|
|
</a>
|
|
</Menu.Item>
|
|
<Menu.Item>
|
|
<a target="_blank" rel="noopener noreferrer" href="https://www.aliyun.com">
|
|
2nd menu item
|
|
</a>
|
|
</Menu.Item>
|
|
<Menu.Item>
|
|
<a target="_blank" rel="noopener noreferrer" href="https://www.luohanacademy.com">
|
|
3rd menu item
|
|
</a>
|
|
</Menu.Item>
|
|
</Menu>
|
|
);
|
|
|
|
ReactDOM.render(
|
|
<>
|
|
<Dropdown overlay={menu} placement="bottomLeft" arrow={{ pointAtCenter: true }}>
|
|
<Button>bottomLeft</Button>
|
|
</Dropdown>
|
|
<Dropdown overlay={menu} placement="bottom" arrow={{ pointAtCenter: true }}>
|
|
<Button>bottom</Button>
|
|
</Dropdown>
|
|
<Dropdown overlay={menu} placement="bottomRight" arrow={{ pointAtCenter: true }}>
|
|
<Button>bottomRight</Button>
|
|
</Dropdown>
|
|
<br />
|
|
<Dropdown overlay={menu} placement="topLeft" arrow={{ pointAtCenter: true }}>
|
|
<Button>topLeft</Button>
|
|
</Dropdown>
|
|
<Dropdown overlay={menu} placement="top" arrow={{ pointAtCenter: true }}>
|
|
<Button>top</Button>
|
|
</Dropdown>
|
|
<Dropdown overlay={menu} placement="topRight" arrow={{ pointAtCenter: true }}>
|
|
<Button>topRight</Button>
|
|
</Dropdown>
|
|
</>,
|
|
mountNode,
|
|
);
|
|
```
|
|
|
|
```css
|
|
#components-dropdown-demo-arrow-center .ant-btn {
|
|
margin-right: 8px;
|
|
margin-bottom: 8px;
|
|
}
|
|
.ant-row-rtl #components-dropdown-demo-arrow-center .ant-btn {
|
|
margin-right: 0;
|
|
margin-bottom: 8px;
|
|
margin-left: 8px;
|
|
}
|
|
```
|