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---
category: Components
subtitle: 下拉菜单
type: 导航
title: Dropdown
---
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向下弹出的列表。
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## 何时使用
当页面上的操作命令过多时,用此组件可以收纳操作元素。点击或移入触点,会出现一个下拉菜单。可在列表中进行选择,并执行相应的命令。
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## API
属性如下
| 参数 | 说明 | 类型 | 默认值 | 版本 |
| --- | --- | --- | --- | --- |
| disabled | 菜单是否禁用 | boolean | - | |
| getPopupContainer | 菜单渲染父节点。默认渲染到 body 上,如果你遇到菜单滚动定位问题,试试修改为滚动的区域,并相对其定位。[示例](https://codepen.io/afc163/pen/zEjNOy?editors=0010) | Function(triggerNode) | `() => document.body` | |
| overlay | 菜单 | [Menu](/components/menu) \| () => Menu | - | |
| overlayClassName | 下拉根元素的类名称 | string | - | |
| overlayStyle | 下拉根元素的样式 | object | - | |
| placement | 菜单弹出位置:`bottomLeft` `bottomCenter` `bottomRight` `topLeft` `topCenter` `topRight` | String | `bottomLeft` | |
| trigger | 触发下拉的行为, 移动端不支持 hover | Array<`click`\|`hover`\|`contextMenu`> | `['hover']` | |
| visible | 菜单是否显示 | boolean | - | |
| onVisibleChange | 菜单显示状态改变时调用,参数为 visible | Function(visible) | - | |
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`overlay` 菜单使用 [Menu](/components/menu/),还包括菜单项 `Menu.Item`,分割线 `Menu.Divider`
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10 years ago
> 注意: Menu.Item 必须设置唯一的 key 属性。
>
> Dropdown 下的 Menu 默认不可选中。如果需要菜单可选中,可以指定 `<Menu selectable>`.
### Dropdown.Button
meger feature to master (#16421) * use ul in list * update snapshot * update comment * feat: TreeSelect support `showSearch` in multiple mode (#15933) * update rc-tree-select * typo * update desc &amp; snapshot * update desc &amp; snapshot * check default showSearch * feat: table customizing variable (#15971) * feat: added table selected row color variable * fix: @table-selected-row-color default is inherit * feat: Upload support customize previewFile (#15984) * support preview file * use promise * dealy load * use canvas of render * use domHook of test * update demo * add snapshot * update types * update testcase * feat: form customizing variables (#15954) * fix: added styling form input background-color * feat: added &#39;@form-warning-input-bg&#39; variable * feat: added &#39;@form-error-input-bg&#39; variable * use li wrap with comment * feat: Support append theme less file with less-variable (#16118) * add override * add override support * update doc * feat: dropdown support set right icon * docs: update doc of dropdown component * style: format dropdown-button.md * test: update updateSnapshot * style: format dropdown-button.md * test: update updateSnapshot * test: update updateSnapshot * style: change style of dropdown-button demo * fix: fix document table order * feat: Support SkeletonAvatarProps.size accept number (#16078) (#16128) * chore:update style of demo * feat: Notification functions accept top, bottom and getContainer as arguments * drawer: add afterVisibleChange * rm onVisibleChange * update * feat: 🇭🇷 hr_HR locale (#16258) * Added Croatian locale * fixed lint error * :white_check_mark: Add test cases for hr_HR * :memo: update i18n documentation * feat: add `htmlFor` in Form.Item (#16278) * add htmlFor in Form.Item * update doc * feat: Button support `link` type (#16289) close #15892 * feat: Add Timeline.Item.position (#16148) (#16193) * fix: Timeline.pendingDot interface documentation there is a small problem (#16177) * feat: Add Timeline.Item.position (#16148) * doc: add version infomation for Timeline.Item.position * refactor: Update Tree &amp; TreeSelect deps (#16330) * use CSSMotion * update snapshot * feat: Collapse support `expandIconPosition` (#16365) * update doc * support expandIconPosition * update snapshot * feat: Breadcrumb support DropDown (#16315) * breadcrumbs support drop down menu * update doc * add require less * fix test * fix md doc * less code * fix style warning * update snap * add children render test * feat: TreeNode support checkable * feat: add optional to support top and left slick dots (#16186) (#16225) * add optional to support top and left slick dots * update carousel snapshot * Update doc, add placement demo * update carousel placement demo snapshots * rename dots placement to position * update vertical as deprecated * rename dotsPosition to dotPosition * refine code * add warning testcase for vertical * remove unused warning * update expression * Additional test case for dotPosition * refactor: Upgrade `rc-tree-select` to support pure React motion (#16402) * upgrade `rc-tree-select` * update snapshot * 3.17.0 changelog * fix warning * fix review warning
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
| --- | --- | --- | --- | --- |
| disabled | 菜单是否禁用 | boolean | - | |
| icon | 右侧的 icon | ReactNode | - | |
| overlay | 菜单 | [Menu](/components/menu/) | - | |
| placement | 菜单弹出位置:`bottomLeft` `bottomCenter` `bottomRight` `topLeft` `topCenter` `topRight` | String | `bottomLeft` | |
| size | 按钮大小,和 [Button](/components/button/) 一致 | string | `default` | |
| trigger | 触发下拉的行为 | Array&lt;`click`\|`hover`\|`contextMenu`> | `['hover']` | |
| type | 按钮类型,和 [Button](/components/button/) 一致 | string | `default` | |
| visible | 菜单是否显示 | boolean | - | |
| onClick | 点击左侧按钮的回调,和 [Button](/components/button/) 一致 | Function | - | |
| onVisibleChange | 菜单显示状态改变时调用,参数为 visible | Function | - | |
| buttonsRender | 自定义左右两个按钮 | `([buttons: ReactNode[]]) => ReactNode` | - | |