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43 lines
1.9 KiB
43 lines
1.9 KiB
3 years ago
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---
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category: Components
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subtitle: 开关
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type: 数据录入
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title: Switch
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cover: https://gw.alipayobjects.com/zos/alicdn/zNdJQMhfm/Switch.svg
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---
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开关选择器。
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## 何时使用
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- 需要表示开关状态/两种状态之间的切换时；
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- 和 `checkbox` 的区别是，切换 `switch` 会直接触发状态改变，而 `checkbox` 一般用于状态标记，需要和提交操作配合。
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## API
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| 参数 | 说明 | 类型 | 默认值 | 版本|
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| ----------------- | ----------------------------------- | ------------ | ------- | --- |
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| autofocus | 组件自动获取焦点 | boolean | false | |
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| checked(v-model) | 指定当前是否选中 | checkedValue \| unCheckedValue | false | |
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| disabled | 是否禁用 | boolean | false | |
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| loading | 加载中的开关 | boolean | false | |
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| size | 开关大小，可选值：`default` `small` | string | default | |
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| unCheckedChildren | 非选中时的内容 | string\|slot | | |
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| unCheckedChildren | 非选中时的内容 | string\|slot | | |
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| checkedValue | 选中时的值 | boolean \| string \| number | true | 2.2.1 |
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| unCheckedValue | 非选中时的值 | boolean \| string \| number | false | 2.2.1 |
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### 事件
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| 事件名称 | 说明 | 回调参数 |
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| -------- | -------------- | ---------------------------------------- |
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| change | 变化时回调函数 | Function(checked: boolean \| string \| number, event: Event) |
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| click | 点击时回调函数 | Function(checked: boolean \| string \| number, event: Event) | |
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## 方法
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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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