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69 lines
2.6 KiB
Markdown
69 lines
2.6 KiB
Markdown
---
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category: Components
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group: Data Entry
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title: Switch
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description: Used to toggle between two states.
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*rtArRpBNDZcAAAAAAAAAAAAADrJ8AQ/original
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*al07RK8SGf4AAAAAAAAAAAAADrJ8AQ/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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- If you need to represent the switching between two states or on-off state.
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- The difference between `Switch` and `Checkbox` is that `Switch` will trigger a state change directly when you toggle it, while `Checkbox` is generally used for state marking, which should work in conjunction with submit operation.
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## Examples
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<!-- prettier-ignore -->
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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/text.tsx">Text & icon</code>
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<code src="./demo/size.tsx">Two sizes</code>
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<code src="./demo/loading.tsx">Loading</code>
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<code src="./demo/component-token.tsx" debug>Custom component token</code>
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## API
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Common props ref：[Common props](/docs/react/common-props)
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| Property | Description | Type | Default | Version |
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| --- | --- | --- | --- | --- |
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| autoFocus | Whether get focus when component mounted | boolean | false | |
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| checked | Determine whether the Switch is checked | boolean | false | |
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| checkedChildren | The content to be shown when the state is checked | ReactNode | - | |
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| className | The additional class to Switch | string | - | |
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| defaultChecked | Whether to set the initial state | boolean | false | |
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| defaultValue | Alias for `defaultChecked` | boolean | - | 5.12.0 |
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| disabled | Disable switch | boolean | false | |
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| loading | Loading state of switch | boolean | false | |
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| size | The size of the Switch, options: `default` `small` | string | `default` | |
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| unCheckedChildren | The content to be shown when the state is unchecked | ReactNode | - | |
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| value | Alias for `checked` | boolean | - | 5.12.0 |
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| onChange | Trigger when the checked state is changing | function(checked: boolean, event: Event) | - | |
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| onClick | Trigger when clicked | function(checked: boolean, event: Event) | - | |
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## Methods
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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="Switch"></ComponentTokenTable>
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## FAQ
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### Why not work in Form.Item?
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Form.Item default bind value to `value` property, but Switch value property is `checked`. You can use `valuePropName` to change bind property.
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```tsx | pure
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<Form.Item name="fieldA" valuePropName="checked">
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<Switch />
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</Form.Item>
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```
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