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6.9 KiB
6.9 KiB
category | type | title | cover |
---|---|---|---|
Components | Data Entry | Select | https://gw.alipayobjects.com/zos/alicdn/_0XzgOis7/Select.svg |
Select component to select value from options.
When To Use
- A dropdown menu for displaying choices - an elegant alternative to the native
<select>
element. - Utilizing Radio is recommended when there are fewer total options (less than 5).
API
<a-select>
<a-select-option value="lucy">lucy</a-select-option>
</a-select>
Select props
Property | Description | Type | Default | Version |
---|---|---|---|---|
allowClear | Show clear button. | boolean | false | |
autoClearSearchValue | Whether the current search will be cleared on selecting an item. Only applies when mode is set to multiple or tags . |
boolean | true | |
autofocus | Get focus by default | boolean | false | |
bordered | Whether has border style | boolean | true | |
defaultActiveFirstOption | Whether active first option by default | boolean | true | |
disabled | Whether disabled select | boolean | false | |
dropdownClassName | className of dropdown menu | string | - | |
dropdownMatchSelectWidth | Determine whether the dropdown menu and the select input are the same width. Default set min-width same as input. Will ignore when value less than select width. false will disable virtual scroll |
boolean | number | true | |
dropdownRender | Customize dropdown content | ({menuNode: VNode, props}) => VNode | v-slot | - | |
dropdownStyle | style of dropdown menu | object | - | |
dropdownMenuStyle | additional style applied to dropdown menu | object | - | |
filterOption | If true, filter options by input, if function, filter options against it. The function will receive two arguments, inputValue and option , if the function returns true , the option will be included in the filtered set; Otherwise, it will be excluded. |
boolean or function(inputValue, option) | true | |
firstActiveValue | Value of action option by default | string|string[] | - | |
getPopupContainer | Parent Node which the selector should be rendered to. Default to body . When position issues happen, try to modify it into scrollable content and position it relative. |
function(triggerNode) | () => document.body | |
labelInValue | whether to embed label in value, turn the format of value from string to {key: string, label: vNodes} |
boolean | false | |
maxTagCount | Max tag count to show | number | - | |
maxTagPlaceholder | Placeholder for not showing tags | slot/function(omittedValues) | - | |
maxTagTextLength | Max text length to show | number | - | |
mode | Set mode of Select | 'multiple' | 'tags' | - | |
notFoundContent | Specify content to show when no result matches.. | string|slot | 'Not Found' | |
optionFilterProp | Which prop value of option will be used for filter if filterOption is true | string | value | |
optionLabelProp | Which prop value of option will render as content of select. | string | children | label (when use options) |
|
placeholder | Placeholder of select | string|slot | - | |
showSearch | Whether show search input in single mode. | boolean | false | |
showArrow | Whether to show the drop-down arrow | boolean | true | |
size | Size of Select input. default large small |
string | default | |
suffixIcon | The custom suffix icon | VNode | slot | - | |
removeIcon | The custom remove icon | VNode | slot | - | |
clearIcon | The custom clear icon | VNode | slot | - | |
menuItemSelectedIcon | The custom menuItemSelected icon | VNode | slot | - | |
tokenSeparators | Separator used to tokenize on tag/multiple mode | string[] | ||
value(v-model) | Current selected option. | string|number|string[]|number[] | - | |
options | Data of the selectOption, manual construction work is no longer needed if this property has been set | array<{value, label, [disabled, key, title]}> | [] | |
option | custom render option by slot | v-slot:option="{value, label, [disabled, key, title]}" | - | 2.2.5 |
defaultOpen | Initial open state of dropdown | boolean | - | |
open | Controlled open state of dropdown | boolean | - | |
loading | indicate loading state | Boolean | false |
Note, if you find that the drop-down menu scrolls with the page, or you need to trigger Select in other popup layers, please try to use
getPopupContainer={triggerNode => triggerNode.parentElement}
to fix the drop-down popup rendering node in the parent element of the trigger .
events
Events Name | Description | Arguments |
---|---|---|
blur | Called when blur | function |
change | Called when select an option or input value change, or value of input is changed in combobox mode | function(value, option:Option/Array<Option>) |
deselect | Called when a option is deselected, the params are option's value (or key) . only called for multiple or tags, effective in multiple or tags mode only. | function(value, option:Option) |
focus | Called when focus | function |
inputKeyDown | Called when key pressed | function |
mouseenter | Called when mouse enter | function |
mouseleave | Called when mouse leave | function |
popupScroll | Called when dropdown scrolls | function |
search | Callback function that is fired when input changed. | function(value: string) |
select | Called when a option is selected, the params are option's value (or key) and option instance. | function(value, option:Option) |
dropdownVisibleChange | Call when dropdown open | function(open) |
Select Methods
Name | Description |
---|---|
blur() | Remove focus |
focus() | Get focus |
Option props
Property | Description | Type | Default |
---|---|---|---|
disabled | Disable this option | boolean | false |
key | Same usage as value . If Vue request you to set this property, you can set it to value of option, and then omit value property. |
string | |
title | title of Select after select this Option |
string | - |
value | default to filter with this property | string|number | - |
class | additional class to option | string | - |
OptGroup props
Property | Description | Type | Default |
---|---|---|---|
key | string | - | |
label | Group label | string|slot | - |
FAQ
The dropdown is closed when click dropdownRender
area?
See the dropdownRender example.
Why is placeholder
not displayed?
placeholder
will only be displayed when value = undefined
, and other values such as null, 0,'', etc. are meaningful values for the JS language.
You can check JS Language Specification for further details.
You can also check antd issue to view the discussion.