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80 lines
3.8 KiB
Markdown
80 lines
3.8 KiB
Markdown
---
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category: Components
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type: Navigation
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title: Dropdown
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cover: https://gw.alipayobjects.com/zos/alicdn/eedWN59yJ/Dropdown.svg
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---
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A dropdown list.
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## When To Use
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When there are more than a few options to choose from, you can wrap them in a `Dropdown`. By hovering or clicking on the trigger, a dropdown menu will appear, which allows you to choose an option and execute the relevant action.
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### Usage upgrade after 4.24.0
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```__react
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import Alert from '../alert';
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ReactDOM.render(<Alert message="After version 4.24.0, we provide a simpler usage <Dropdown menu={{ items: [...] }} /> with better performance and potential of writing simpler code style in your applications. Meanwhile, we deprecated the old usage in browser console, we will remove it in antd 5.0." />, mountNode);
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```
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```jsx
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// works when >=4.24.0, recommended ✅
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const items = [
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{ label: 'item 1', key: 'item-1' }, // remember to pass the key prop
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{ label: 'item 2', key: 'item-2' },
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];
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return (
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<Dropdown menu={{ items }}>
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<a>Hover me</a>
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</Dropdown>
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);
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// works when <4.24.0, deprecated when >=4.24.0 🙅🏻♀️
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const menu = (
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<Menu>
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<Menu.Item>item 1</Menu.Item>
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<Menu.Item>item 2</Menu.Item>
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</Menu>
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);
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return (
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<Dropdown overlay={menu}>
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<a>Hover me</a>
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</Dropdown>
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);
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```
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## API
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### Dropdown
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| arrow | Whether the dropdown arrow should be visible | boolean \| { pointAtCenter: boolean } | false | |
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| autoFocus | Focus element in `overlay` when opened | boolean | false | 4.21.0 |
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| disabled | Whether the dropdown menu is disabled | boolean | - | |
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| destroyPopupOnHide | Whether destroy dropdown when hidden | boolean | false | |
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| dropdownRender | Customize dropdown content | (menus: ReactNode) => ReactNode | - | 4.24.0 |
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| getPopupContainer | To set the container of the dropdown menu. The default is to create a div element in body, but you can reset it to the scrolling area and make a relative reposition. [Example on CodePen](https://codepen.io/afc163/pen/zEjNOy?editors=0010) | (triggerNode: HTMLElement) => HTMLElement | () => document.body | |
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| menu | The menu props | [MenuProps](/components/menu/#API) | - | 4.24.0 |
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| overlayClassName | The class name of the dropdown root element | string | - | |
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| overlayStyle | The style of the dropdown root element | CSSProperties | - | |
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| placement | Placement of popup menu: `bottom` `bottomLeft` `bottomRight` `top` `topLeft` `topRight` | string | `bottomLeft` | |
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| trigger | The trigger mode which executes the dropdown action. Note that hover can't be used on touchscreens | Array<`click`\|`hover`\|`contextMenu`> | \[`hover`] | |
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| open | Whether the dropdown menu is currently open. Use `visible` under 4.23.0 ([why?](/docs/react/faq#why-open)) | boolean | - | 4.23.0 |
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| onOpenChange | Called when the open state is changed. Not trigger when hidden by click item. Use `onVisibleChange` under 4.23.0 ([why?](/docs/react/faq#why-open)) | (open: boolean) => void | - | 4.23.0 |
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### Dropdown.Button
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Same props from Dropdown. And includes additional props:
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| buttonsRender | Custom buttons inside Dropdown.Button | (buttons: ReactNode\[]) => ReactNode\[] | - | |
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| loading | Set the loading status of button | boolean \| { delay: number } | false | |
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| danger | Set the danger status of button | boolean | - | 4.23.0 |
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| icon | Icon (appears on the right) | ReactNode | - | |
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| size | Size of the button, the same as [Button](/components/button/#API) | string | `default` | |
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| type | Type of the button, the same as [Button](/components/button/#API) | string | `default` | |
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| onClick | The same as [Button](/components/button/#API): called when you click the button on the left | (event) => void | - | |
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