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* fix: input work with Upload * test: update snapshot
95 lines
3.9 KiB
Markdown
95 lines
3.9 KiB
Markdown
---
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category: Components
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group: 数据录入
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title: Radio
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subtitle: 单选框
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description: 用于在多个备选项中选中单个状态。
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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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## 何时使用
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- 用于在多个备选项中选中单个状态。
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- 和 Select 的区别是,Radio 所有选项默认可见,方便用户在比较中选择,因此选项不宜过多。
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## 代码演示
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<!-- prettier-ignore-start -->
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<code src="./demo/basic.tsx">基本</code>
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<code src="./demo/disabled.tsx">不可用</code>
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<code src="./demo/radiogroup.tsx">单选组合</code>
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<code src="./demo/radiogroup-more.tsx">Radio.Group 垂直</code>
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<code src="./demo/radiogroup-block.tsx" version="5.21.0">Block 单选组合</code>
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<code src="./demo/radiogroup-options.tsx">Radio.Group 组合 - 配置方式</code>
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<code src="./demo/radiobutton.tsx">按钮样式</code>
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<code src="./demo/radiogroup-with-name.tsx">单选组合 - 配合 name 使用</code>
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<code src="./demo/size.tsx">大小</code>
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<code src="./demo/radiobutton-solid.tsx">填底的按钮样式</code>
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<code src="./demo/badge.tsx" debug>测试 Badge 的样式</code>
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<code src="./demo/wireframe.tsx" debug>线框风格</code>
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<code src="./demo/component-token.tsx" debug>组件 Token</code>
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<code src="./demo/debug-upload.tsx" debug>Upload Debug</code>
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<!-- prettier-ignore-end -->
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## API
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通用属性参考:[通用属性](/docs/react/common-props)
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### Radio/Radio.Button
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<!-- prettier-ignore -->
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| 参数 | 说明 | 类型 | 默认值 |
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| --- | --- | --- | --- |
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| autoFocus | 自动获取焦点 | boolean | false |
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| checked | 指定当前是否选中 | boolean | false |
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| defaultChecked | 初始是否选中 | boolean | false |
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| disabled | 禁用 Radio | boolean | false |
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| value | 根据 value 进行比较,判断是否选中 | any | - |
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### Radio.Group
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单选框组合,用于包裹一组 `Radio`。
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<!-- prettier-ignore -->
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --- | --- | --- | --- | --- |
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| buttonStyle | RadioButton 的风格样式,目前有描边和填色两种风格 | `outline` \| `solid` | `outline` | | |
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| defaultValue | 默认选中的值 | any | - | | |
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| disabled | 禁选所有子单选器 | boolean | false | | |
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| name | RadioGroup 下所有 `input[type="radio"]` 的 `name` 属性 | string | - | | |
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| options | 以配置形式设置子元素 | string\[] \| number\[] \| Array<[CheckboxOptionType](#checkboxoptiontype)> | - | | |
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| optionType | 用于设置 Radio `options` 类型 | `default` \| `button` | `default` | 4.4.0 | |
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| size | 大小,只对按钮样式生效 | `large` \| `middle` \| `small` | - | | |
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| value | 用于设置当前选中的值 | any | - | | |
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| block | 将 RadioGroup 宽度调整为其父宽度的选项 | boolean | false | 5.21.0 | |
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| onChange | 选项变化时的回调函数 | 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 | 用于作为 Radio 选项展示的文本 | `string` | - | 4.4.0 |
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| value | 关联 Radio 选项的值 | `string` \| `number` \| `boolean` | - | 4.4.0 |
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| style | 应用到 Radio 选项的 style | `React.CSSProperties` | - | 4.4.0 |
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| disabled | 指定 Radio 选项是否要禁用 | `boolean` | `false` | 4.4.0 |
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| title | 添加 Title 属性值 | `string` | - | 4.4.0 |
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| id | 添加 Radio Id 属性值 | `string` | - | 4.4.0 |
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| onChange | 当 Radio Group 的值发送改变时触发 | `(e: CheckboxChangeEvent) => void;` | - | 4.4.0 |
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| required | 指定 Radio 选项是否必填 | `boolean` | `false` | 4.4.0 |
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## 方法
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### Radio
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| 名称 | 描述 |
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| ------- | -------- |
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| blur() | 移除焦点 |
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| focus() | 获取焦点 |
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## 主题变量(Design Token)
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<ComponentTokenTable component="Radio"></ComponentTokenTable>
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