mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-11 23:00:20 +08:00
cbcfd38ca7
* build: try to use dumi as doc tool
* docs: migrate demo structure to dumi way
* refactor: use type export & import
* docs: migrate demo previewer to dumi
* docs: create empty layout & components
* docs: apply custom rehype plugin
* docs: create empty extra pages
* docs: Add Banner component
* chore: move theme tsconfig.json
* docs: home page init
* docs: migrate header (#37896)
* docs: header
* docs: update
* docs: home init
* clean up
* test: fix site lint
* chore: tsc ignore demo
* chore: dumi demo migrate script
* chore: cards
* docs: home layout
* docs: Update locale logic
* docs: fix getLink logic
* chore: fix ci (#37899)
* chore: fix ci
* ci: remove check-ts-demo
* ci: preview build
* test: ignore demo.tsx
* chore: update script
* test: update snapshot
* test: update node and image test
* chore: add .surgeignore
* docs: layout providers (#37908)
* docs: add components sidebar (#37923)
* docs: sidebar
* docs: update docs title
* docs: update design doc
* chore: code clean
* docs: handle changelog page
* docs: add title
* docs: add subtitle
* docs: active header nav
* chore: code clean
* docs: overview
* chore: code clean
* docs: update intl (#37918)
* docs: update intl
* chore: code clean
* docs: update favicons
* chore: update testPathIgnorePatterns
* chore: code clean
* chore: code clean
* chore: copy 404.html (#37996)
* docs: Home page theme picker
* chore: Update migrate script
* docs: home page update
* docs: theme editor style
* docs: theme lang
* chore: update migrate.js
* docs: fix demo (#38094)
* chore: update migrate.js
* docs: update md
* docs: update demo
* test: fix snapshot
* chore: move debug to code attr in migrate script
* chore: update md
Co-authored-by: PeachScript <scdzwyxst@gmail.com>
* feat: overview page
* feat: Migrate `404` page (#38118)
* feat: migrate IconSearch component (#37916)
* feat<site/IconSearch>: copy IconDisplay from site to .dumi
* feat<site/IconSearch>: change docs of icon
* feat<site/IconSearch>: tweak
* feat<site/IconSearch>: use useIntl instead of injectIntl
* feat<site/IconSearch>: fix ts type error
* feat<site/IconSearch>: use intl.formatMessage to render text
* docs: Adjust home btn sizw
* docs: Update doc
* feat: v5 site overview page (#38131)
* feat: site
* fix: fix
* feat: v5 site overview page
* fix: fix path
* fix: fix
* fix: fix
* docs: fix margin logic
* feat: v5 site change-log page (#38137)
* feat: v5 site change-log page (#38162)
* docs: site redirect to home pag
* docs: theme picker
* docs: use react-intl from dumi (#38183)
* docs: Theme Picker
* docs: update dumi config
* docs: home back fix
* docs: picker colorful
* docs: locale of it
* docs: update components desc
* docs: site of links
* docs: update components list
* docs: update desc
* feat: Migrate `DemoWrapper` component (#38166)
* feat: Migrate `DemoWrapper` component
* feat: remove invalid comments and add comment for `key` prop
* docs: FloatButton pure panel
* chore: update demo
* chore: update dumi config
* Revert "chore: update demo"
This reverts commit 028265d3ba.
* chore: test logic adjust to support cnpm modules
* chore: add locale alias
* docs: /index to /
* docs: add locale redirect head script
* chore: adjust compact
* docs: fix missing token
* feat: compact switch
* chore: code clean
* docs: update home
* docs: fix radius token
* docs: hash of it
* chore: adjust home page
* docs: Add background map
* docs: site theme bac logic
* docs: avatar
* docs: update logo color
* docs: home banner
* docs: adjust tour size
* docs: purepanl update
* docs: transfooter
* docs: update banner gif
* docs: content (#38361)
* docs: title & EditButton
* docs: content
* chore: fix toc
* docs: resource page
* docs: transform resource data from hast
* docs: filename & Resource Card
* chore: enable prerender
* chore: remove less
* docs: toc style
* chore: fix lint
* docs: fix Layout page
* docs: fix CP page
* chore: update demos
* docs: workaround for export dynamic html
* chore: enable demo eslint
* docs: table style
* fix: header shadow
* chore: update snapshot
* fix: toc style
* docs: add title
* docs: Adjust site
* feat: helmet
* docs: site css
* fix: description
* feat: toc debug
* docs: update config-provider
* feat: use colorPanel
* fix: colorPanel value
* feat: anchor ink ball style
* feat: apply theme editor
* fix: code block style
* chore: update demo
* chore: fix lint
* chore: code clean
* chore: update snapshot
* feat: ts2js
* chore: description
* docs: site ready for ssr
includes:
- move client render logic to useEffect in site theme
- extract antd cssinjs to a single css file like bisheng
- workaround to support react@18 pipeableStream for emotion
* chore: bump testing lib
* docs: font size of title
* chore: remove react-sortable-hoc
* chore: update snapshot
* chore: update script
Co-authored-by: PeachScript <scdzwyxst@gmail.com>
Co-authored-by: MadCcc <1075746765@qq.com>
Co-authored-by: zqran <uuxnet@gmail.com>
Co-authored-by: TrickyPi <530257315@qq.com>
Co-authored-by: lijianan <574980606@qq.com>
180 lines
26 KiB
Markdown
180 lines
26 KiB
Markdown
---
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category: Components
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subtitle: 选择器
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group: 数据录入
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title: Select
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cover: https://gw.alipayobjects.com/zos/alicdn/_0XzgOis7/Select.svg
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demo:
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cols: 2
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---
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下拉选择器。
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## 何时使用
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- 弹出一个下拉菜单给用户选择操作，用于代替原生的选择器，或者需要一个更优雅的多选器时。
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- 当选项少时（少于 5 项），建议直接将选项平铺，使用 [Radio](/components/radio/) 是更好的选择。
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## 代码演示
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<code src="./demo/basic.tsx">基本使用</code>
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<code src="./demo/search.tsx">带搜索框</code>
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<code src="./demo/multiple.tsx">多选</code>
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<code src="./demo/size.tsx">三种大小</code>
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<code src="./demo/option-label-prop.tsx">定制回填内容</code>
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<code src="./demo/search-sort.tsx">带排序的搜索</code>
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<code src="./demo/tags.tsx">标签</code>
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<code src="./demo/optgroup.tsx">分组</code>
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<code src="./demo/coordinate.tsx">联动</code>
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<code src="./demo/search-box.tsx">搜索框</code>
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<code src="./demo/label-in-value.tsx">获得选项的文本</code>
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<code src="./demo/automatic-tokenization.tsx">自动分词</code>
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<code src="./demo/select-users.tsx">搜索用户</code>
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<code src="./demo/suffix.tsx" debug>后缀图标</code>
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<code src="./demo/custom-dropdown-menu.tsx">扩展菜单</code>
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<code src="./demo/hide-selected.tsx">隐藏已选择选项</code>
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<code src="./demo/bordered.tsx">无边框</code>
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<code src="./demo/custom-tag-render.tsx">自定义选择标签</code>
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<code src="./demo/responsive.tsx">响应式 maxTagCount</code>
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<code src="./demo/big-data.tsx">大数据</code>
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<code src="./demo/status.tsx">自定义状态</code>
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<code src="./demo/placement.tsx">弹出位置</code>
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<code src="./demo/debug.tsx" debug>4.0 Debug</code>
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<code src="./demo/render-panel.tsx" debug>\_InternalPanelDoNotUseOrYouWillBeFired</code>
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## API
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```jsx
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<Select>
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<Option value="lucy">lucy</Option>
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</Select>
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```
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### Select props
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| ------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- | ------------------------------------------------------ | ---------------- |
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| allowClear | 支持清除 | boolean | false | |
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| autoClearSearchValue | 是否在选中项后清空搜索框，只在 `mode` 为 `multiple` 或 `tags` 时有效 | boolean | true | |
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| autoFocus | 默认获取焦点 | boolean | false | |
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| bordered | 是否有边框 | boolean | true | |
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| clearIcon | 自定义的多选框清空图标 | ReactNode | - | |
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| defaultActiveFirstOption | 是否默认高亮第一个选项 | boolean | true | |
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| defaultOpen | 是否默认展开下拉菜单 | boolean | - | |
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| defaultValue | 指定默认选中的条目 | string \| string\[]<br />number \| number\[]<br />LabeledValue \| LabeledValue\[] | - | |
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| disabled | 是否禁用 | boolean | false | |
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| popupClassName | 下拉菜单的 className 属性 | string | - | 4.23.0 |
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| dropdownMatchSelectWidth | 下拉菜单和选择器同宽。默认将设置 `min-width`，当值小于选择框宽度时会被忽略。false 时会关闭虚拟滚动 | boolean \| number | true | |
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| dropdownRender | 自定义下拉框内容 | (originNode: ReactNode) => ReactNode | - | |
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| dropdownStyle | 下拉菜单的 style 属性 | CSSProperties | - | |
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| fieldNames | 自定义节点 label、value、options 的字段 | object | { label: `label`, value: `value`, options: `options` } | 4.17.0 |
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| filterOption | 是否根据输入项进行筛选。当其为一个函数时，会接收 `inputValue` `option` 两个参数，当 `option` 符合筛选条件时，应返回 true，反之则返回 false | boolean \| function(inputValue, option) | true | |
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| filterSort | 搜索时对筛选结果项的排序函数, 类似[Array.sort](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)里的 compareFunction | (optionA: Option, optionB: Option) => number | - | 4.9.0 |
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| 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://codesandbox.io/s/4j168r7jw0) | function(triggerNode) | () => document.body | |
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| labelInValue | 是否把每个选项的 label 包装到 value 中，会把 Select 的 value 类型从 `string` 变为 { value: string, label: ReactNode } 的格式 | boolean | false | |
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| listHeight | 设置弹窗滚动高度 | number | 256 | |
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| loading | 加载中状态 | boolean | false | |
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| maxTagCount | 最多显示多少个 tag，响应式模式会对性能产生损耗 | number \| `responsive` | - | responsive: 4.10 |
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| maxTagPlaceholder | 隐藏 tag 时显示的内容 | ReactNode \| function(omittedValues) | - | |
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| maxTagTextLength | 最大显示的 tag 文本长度 | number | - | |
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| menuItemSelectedIcon | 自定义多选时当前选中的条目图标 | ReactNode | - | |
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| mode | 设置 Select 的模式为多选或标签 | `multiple` \| `tags` | - | |
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| notFoundContent | 当下拉列表为空时显示的内容 | ReactNode | `Not Found` | |
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| open | 是否展开下拉菜单 | boolean | - | |
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| optionFilterProp | 搜索时过滤对应的 `option` 属性，如设置为 `children` 表示对内嵌内容进行搜索。若通过 `options` 属性配置选项内容，建议设置 `optionFilterProp="label"` 来对内容进行搜索。 | string | `value` | |
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| optionLabelProp | 回填到选择框的 Option 的属性值，默认是 Option 的子元素。比如在子元素需要高亮效果时，此值可以设为 `value`。[示例](https://codesandbox.io/s/antd-reproduction-template-tk678) | string | `children` | |
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| options | 数据化配置选项内容，相比 jsx 定义会获得更好的渲染性能 | { label, value }\[] | - | |
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| placeholder | 选择框默认文本 | string | - | |
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| placement | 选择框弹出的位置 | `bottomLeft` `bottomRight` `topLeft` `topRight` | bottomLeft | |
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| removeIcon | 自定义的多选框清除图标 | ReactNode | - | |
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| searchValue | 控制搜索文本 | string | - | |
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| showArrow | 是否显示下拉小箭头 | boolean | 单选为 true，多选为 false | |
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| showSearch | 配置是否可搜索 | boolean | 单选为 false，多选为 true | |
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| size | 选择框大小 | `large` \| `middle` \| `small` | `middle` | |
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| status | 设置校验状态 | 'error' \| 'warning' | - | 4.19.0 |
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| suffixIcon | 自定义的选择框后缀图标 | ReactNode | - | |
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| tagRender | 自定义 tag 内容 render，仅在 `mode` 为 `multiple` 或 `tags` 时生效 | (props) => ReactNode | - | |
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| tokenSeparators | 自动分词的分隔符，仅在 `mode="tags"` 时生效 | string\[] | - | |
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| value | 指定当前选中的条目，多选时为一个数组。（value 数组引用未变化时，Select 不会更新） | string \| string\[]<br />number \| number\[]<br />LabeledValue \| LabeledValue\[] | - | |
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| virtual | 设置 false 时关闭虚拟滚动 | boolean | true | 4.1.0 |
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| onBlur | 失去焦点时回调 | function | - | |
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| onChange | 选中 option，或 input 的 value 变化时，调用此函数 | function(value, option:Option \| Array<Option>) | - | |
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| onClear | 清除内容时回调 | function | - | 4.6.0 |
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| onDeselect | 取消选中时调用，参数为选中项的 value (或 key) 值，仅在 `multiple` 或 `tags` 模式下生效 | function(string \| number \| LabeledValue) | - | |
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| onDropdownVisibleChange | 展开下拉菜单的回调 | function(open) | - | |
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| onFocus | 获得焦点时回调 | function | - | |
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| onInputKeyDown | 按键按下时回调 | function | - | |
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| onMouseEnter | 鼠标移入时回调 | function | - | |
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| onMouseLeave | 鼠标移出时回调 | function | - | |
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| onPopupScroll | 下拉列表滚动时的回调 | function | - | |
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| onSearch | 文本框值变化时回调 | function(value: string) | - | |
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| onSelect | 被选中时调用，参数为选中项的 value (或 key) 值 | function(string \| number \| LabeledValue, option: Option) | - | |
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> 注意，如果发现下拉菜单跟随页面滚动，或者需要在其他弹层中触发 Select，请尝试使用 `getPopupContainer={triggerNode => triggerNode.parentElement}` 将下拉弹层渲染节点固定在触发器的父元素中。
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### Select Methods
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| 名称 | 说明 | 版本 |
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| ------- | -------- | ---- |
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| blur() | 取消焦点 | |
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| focus() | 获取焦点 | |
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### Option props
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --------- | ------------------------ | ---------------- | ------ | ---- |
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| className | Option 器类名 | string | - | |
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| disabled | 是否禁用 | boolean | false | |
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| title | 选项上的原生 title 提示 | string | - | |
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| value | 默认根据此属性值进行筛选 | string \| number | - | |
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### OptGroup props
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| ----- | ---- | ----------------------- | ------ | ---- |
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| key | Key | string | - | |
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| label | 组名 | string \| React.Element | - | |
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## FAQ
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### `mode="tags"` 模式下为何搜索有时会出现两个相同选项？
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这一般是 `options` 中的 `label` 和 `value` 不同导致的，你可以通过 `optionFilterProp="label"` 将过滤设置为展示值以避免这种情况。
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### 点击 `dropdownRender` 里的元素，下拉菜单不会自动消失？
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你可以使用受控模式，手动设置 `open` 属性：[codesandbox](https://codesandbox.io/s/ji-ben-shi-yong-antd-4-21-7-forked-gnp4cy?file=/demo.js)。
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### 反过来希望点击 `dropdownRender` 里元素不消失该怎么办？
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Select 当失去焦点时会关闭下拉框，如果你可以通过阻止默认行为避免丢失焦点导致的关闭：
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```jsx
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<Select
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dropdownRender={() => (
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<div
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onMouseDown={e => {
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e.preventDefault();
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e.stopPropagation();
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}}
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>
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Some Content
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</div>
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)}
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/>
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```
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### 自定义 Option 样式导致滚动异常怎么办？
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这是由于虚拟滚动默认选项高度为 `24px`，如果你的选项高度小于该值则需要通过 `listItemHeight` 属性调整，而 `listHeight` 用于设置滚动容器高度：
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```tsx
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<Select listItemHeight={10} listHeight={250} />
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```
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注意：`listItemHeight` 和 `listHeight` 为内部属性，如无必要，请勿修改该值。
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### 为何无障碍测试会报缺失 `aria-` 属性？
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Select 无障碍辅助元素仅在弹窗展开时创建，因而当你在进行无障碍检测时请先打开下拉后再进行测试。对于 `aria-label` 与 `aria-labelledby` 属性缺失警告，请自行为 Select 组件添加相应无障碍属性。
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