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91 lines
3.9 KiB
Markdown
91 lines
3.9 KiB
Markdown
---
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category: Components
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group: Data Entry
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title: Radio
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description: Used to select a single state from multiple options.
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*mrPVRope68wAAAAAAAAAAAAADrJ8AQ/original
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*xPfTSphsiA0AAAAAAAAAAAAADrJ8AQ/original
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demo:
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cols: 2
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---
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## When To Use
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- Used to select a single state from multiple options.
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- The difference from Select is that Radio is visible to the user and can facilitate the comparison of choice, which means there shouldn't be too many of them.
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## Examples
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<!-- prettier-ignore-start -->
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<code src="./demo/basic.tsx">Basic</code>
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<code src="./demo/disabled.tsx">disabled</code>
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<code src="./demo/radiogroup.tsx">Radio Group</code>
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<code src="./demo/radiogroup-more.tsx">Vertical Radio.Group</code>
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<code src="./demo/radiogroup-block.tsx" version="5.21.0">Block Radio.Group</code>
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<code src="./demo/radiogroup-options.tsx">Radio.Group group - optional</code>
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<code src="./demo/radiobutton.tsx">radio style</code>
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<code src="./demo/radiogroup-with-name.tsx">Radio.Group with name</code>
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<code src="./demo/size.tsx">Size</code>
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<code src="./demo/radiobutton-solid.tsx">Solid radio button</code>
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<code src="./demo/badge.tsx" debug>Badge style</code>
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<code src="./demo/wireframe.tsx" debug>Wireframe</code>
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<code src="./demo/component-token.tsx" debug>Component Token</code>
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<!-- prettier-ignore-end -->
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## API
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Common props ref：[Common props](/docs/react/common-props)
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### Radio/Radio.Button
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| Property | Description | Type | Default |
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| --- | --- | --- | --- |
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| autoFocus | Whether get focus when component mounted | boolean | false |
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| checked | Specifies whether the radio is selected | boolean | false |
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| defaultChecked | Specifies the initial state: whether or not the radio is selected | boolean | false |
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| disabled | Disable radio | boolean | false |
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| value | According to value for comparison, to determine whether the selected | any | - |
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### RadioGroup
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Radio group can wrap a group of `Radio`。
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| buttonStyle | The style type of radio button | `outline` \| `solid` | `outline` | |
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| defaultValue | Default selected value | any | - | |
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| disabled | Disable all radio buttons | boolean | false | |
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| name | The `name` property of all `input[type="radio"]` children | string | - | |
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| options | Set children optional | string\[] \| number\[] \| Array<[CheckboxOptionType](#checkboxoptiontype)> | - | |
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| optionType | Set Radio optionType | `default` \| `button` | `default` | 4.4.0 |
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| size | The size of radio button style | `large` \| `middle` \| `small` | - | |
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| value | Used for setting the currently selected value | any | - | |
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| block | Option to fit RadioGroup width to its parent width | boolean | false | 5.21.0 |
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| onChange | The callback function that is triggered when the state changes | function(e:Event) | - | |
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### CheckboxOptionType
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| label | The text used to display as the Radio option | `string` | - | 4.4.0 |
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| value | The value associated with the Radio option | `string` \| `number` \| `boolean` | - | 4.4.0 |
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| style | The style to apply to the Radio option | `React.CSSProperties` | - | 4.4.0 |
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| disabled | Specifies whether the Radio option is disabled | `boolean` | `false` | 4.4.0 |
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| title | Adds the Title attribute value | `string` | - | 4.4.0 |
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| id | Adds the Radio Id attribute value | `string` | - | 4.4.0 |
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| onChange | Triggered when the value of the Radio Group changes | `(e: CheckboxChangeEvent) => void;` | - | 4.4.0 |
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| required | Specifies whether the Radio option is required | `boolean` | `false` | 4.4.0 |
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## Methods
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### Radio
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| Name | Description |
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| ------- | ------------ |
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| blur() | Remove focus |
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| focus() | Get focus |
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## Design Token
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<ComponentTokenTable component="Radio"></ComponentTokenTable>
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