mirror of
https://github.com/ant-design/ant-design.git
synced 2024-12-02 07:39:36 +08:00
79 lines
4.1 KiB
Markdown
79 lines
4.1 KiB
Markdown
---
|
||
category: Components
|
||
type: Data Entry
|
||
title: Cascader
|
||
cover: https://gw.alipayobjects.com/zos/alicdn/UdS8y8xyZ/Cascader.svg
|
||
---
|
||
|
||
Cascade selection box.
|
||
|
||
## When To Use
|
||
|
||
- When you need to select from a set of associated data set. Such as province/city/district, company level, things classification.
|
||
- When selecting from a large data set, with multi-stage classification separated for easy selection.
|
||
- Chooses cascade items in one float layer for better user experience.
|
||
|
||
## API
|
||
|
||
```jsx
|
||
<Cascader options={options} onChange={onChange} />
|
||
```
|
||
|
||
| Property | Description | Type | Default | Version |
|
||
| --- | --- | --- | --- | --- |
|
||
| allowClear | Whether allow clear | boolean | true | |
|
||
| autoFocus | If get focus when component mounted | boolean | false | |
|
||
| bordered | Whether has border style | boolean | true | |
|
||
| changeOnSelect | Change value on each selection if set to true, see above demo for details | boolean | false | |
|
||
| className | The additional css class | string | - | |
|
||
| defaultValue | Initial selected value | string\[] \| number\[] | \[] | |
|
||
| disabled | Whether disabled select | boolean | false | |
|
||
| displayRender | The render function of displaying selected options | (label, selectedOptions) => ReactNode | label => label.join(`/`) | |
|
||
| dropdownRender | Customize dropdown content | (menus: ReactNode) => ReactNode | - | 4.4.0 |
|
||
| expandIcon | Customize the current item expand icon | ReactNode | - | 4.4.0 |
|
||
| expandTrigger | expand current item when click or hover, one of `click` `hover` | string | `click` | |
|
||
| fieldNames | Custom field name for label and value and children | object | { label: `label`, value: `value`, children: `children` } | |
|
||
| 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. [example](https://codepen.io/afc163/pen/zEjNOy?editors=0010) | function(triggerNode) | () => document.body | |
|
||
| loadData | To load option lazily, and it cannot work with `showSearch` | (selectedOptions) => void | - | |
|
||
| notFoundContent | Specify content to show when no result matches | string | `Not Found` | |
|
||
| options | The data options of cascade | [Option](#Option)\[] | - | |
|
||
| placeholder | The input placeholder | string | `Please select` | |
|
||
| popupClassName | The additional className of popup overlay | string | - | |
|
||
| popupPlacement | Use preset popup align config from builtinPlacements：`bottomLeft` `bottomRight` `topLeft` `topRight` | string | `bottomLeft` | |
|
||
| popupVisible | Set visible of cascader popup | boolean | - | |
|
||
| showSearch | Whether show search input in single mode | boolean \| [Object](#showSearch) | false | |
|
||
| size | The input size | `large` \| `middle` \| `small` | - | |
|
||
| style | The additional style | CSSProperties | - | |
|
||
| suffixIcon | The custom suffix icon | ReactNode | - | |
|
||
| value | The selected value | string\[] \| number\[] | - | |
|
||
| onChange | Callback when finishing cascader select | (value, selectedOptions) => void | - | |
|
||
| onPopupVisibleChange | Callback when popup shown or hidden | (value) => void | - | |
|
||
|
||
### showSearch
|
||
|
||
| Property | Description | Type | Default | Version |
|
||
| --- | --- | --- | --- | --- |
|
||
| filter | 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 | function(inputValue, path): boolean | - | |
|
||
| limit | Set the count of filtered items | number \| false | 50 | |
|
||
| matchInputWidth | Whether the width of list matches input, ([how it looks](https://github.com/ant-design/ant-design/issues/25779)) | boolean | true | |
|
||
| render | Used to render filtered options | function(inputValue, path): ReactNode | - | |
|
||
| sort | Used to sort filtered options | function(a, b, inputValue) | - | |
|
||
|
||
### Option
|
||
|
||
```typescript
|
||
interface Option {
|
||
value: string | number;
|
||
label?: React.ReactNode;
|
||
disabled?: boolean;
|
||
children?: Option[];
|
||
}
|
||
```
|
||
|
||
## Methods
|
||
|
||
| Name | Description | Version |
|
||
| ------- | ------------ | ------- |
|
||
| blur() | Remove focus | |
|
||
| focus() | Get focus | |
|