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132 lines
4.9 KiB
Markdown
132 lines
4.9 KiB
Markdown
---
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category: Components
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group: 数据展示
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title: Collapse
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subtitle: 折叠面板
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description: 可以折叠/展开的内容区域。
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cover: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*B7HKR5OBe8gAAAAAAAAAAAAADrJ8AQ/original
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coverDark: https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*sir-TK0HkWcAAAAAAAAAAAAADrJ8AQ/original
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---
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## 何时使用
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- 对复杂区域进行分组和隐藏，保持页面的整洁。
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- `手风琴` 是一种特殊的折叠面板，只允许单个内容区域展开。
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```tsx | pure
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// >= 5.6.0 可用，推荐的写法 ✅
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const text = `
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A dog is a type of domesticated animal.
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Known for its loyalty and faithfulness,
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it can be found as a welcome guest in many households across the world.
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`;
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const items: CollapseProps['items'] = [
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{
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key: '1',
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label: 'This is panel header 1',
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children: <p>{text}</p>,
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},
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{
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key: '2',
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label: 'This is panel header 2',
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children: <p>{text}</p>,
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},
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{
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key: '3',
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label: 'This is panel header 3',
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children: <p>{text}</p>,
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},
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];
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<Collapse items={items} defaultActiveKey={['1']} />;
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// <5.6.0 可用，>=5.6.0 时不推荐 🙅🏻♀️
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<Collapse defaultActiveKey={['1']} onChange={onChange}>
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<Panel header="This is panel header 1" key="1">
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<p>{text}</p>
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</Panel>
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<Panel header="This is panel header 2" key="2">
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<p>{text}</p>
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</Panel>
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<Panel header="This is panel header 3" key="3">
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<p>{text}</p>
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</Panel>
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</Collapse>;
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```
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## 代码演示
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<!-- prettier-ignore -->
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<code src="./demo/basic.tsx">折叠面板</code>
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<code src="./demo/size.tsx">面板尺寸</code>
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<code src="./demo/accordion.tsx">手风琴</code>
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<code src="./demo/mix.tsx">面板嵌套</code>
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<code src="./demo/borderless.tsx">简洁风格</code>
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<code src="./demo/custom.tsx">自定义面板</code>
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<code src="./demo/noarrow.tsx">隐藏箭头</code>
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<code src="./demo/extra.tsx">额外节点</code>
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<code src="./demo/ghost.tsx">幽灵折叠面板</code>
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<code src="./demo/collapsible.tsx">可折叠触发区域</code>
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<code src="./demo/component-token.tsx" debug>组件 Token</code>
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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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### Collapse
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --- | --- | --- | --- | --- |
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| accordion | 手风琴模式 | boolean | false | |
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| activeKey | 当前激活 tab 面板的 key | string\[] \| string <br/> number\[] \| number | [手风琴模式](#collapse-demo-accordion)下默认第一个元素 | |
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| bordered | 带边框风格的折叠面板 | boolean | true | |
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| collapsible | 所有子面板是否可折叠或指定可折叠触发区域 | `header` \| `icon` \| `disabled` | - | 4.9.0 |
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| defaultActiveKey | 初始化选中面板的 key | string\[] \| string<br/> number\[] \| number | - | |
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| destroyInactivePanel | 销毁折叠隐藏的面板 | boolean | false | |
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| expandIcon | 自定义切换图标 | (panelProps) => ReactNode | - | |
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| expandIconPosition | 设置图标位置 | `start` \| `end` | - | 4.21.0 |
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| ghost | 使折叠面板透明且无边框 | boolean | false | 4.4.0 |
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| size | 设置折叠面板大小 | `large` \| `middle` \| `small` | `middle` | 5.2.0 |
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| onChange | 切换面板的回调 | function | - | |
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| items | 折叠项目内容 | [ItemType](#itemtype) | - | 5.6.0 |
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### ItemType
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --- | --- | --- | --- | --- |
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| classNames | 语义化结构 className | [`Record<header \| body, string>`](#semantic-dom) | - | 5.21.0 |
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| collapsible | 是否可折叠或指定可折叠触发区域 | `header` \| `icon` \| `disabled` | - | |
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| children | body 区域内容 | ReactNode | - | |
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| extra | 自定义渲染每个面板右上角的内容 | ReactNode | - | |
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| forceRender | 被隐藏时是否渲染 body 区域 DOM 结构 | boolean | false | |
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| key | 对应 activeKey | string \| number | - | |
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| label | 面板标题 | ReactNode | - | - |
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| showArrow | 是否展示当前面板上的箭头（为 false 时，collapsible 不能设为 icon） | boolean | true | |
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| styles | 语义化结构 style | [`Record<header \| body, CSSProperties>`](#semantic-dom) | - | 5.21.0 |
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### Collapse.Panel
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<!-- prettier-ignore -->
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:::info{title=已废弃}
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版本 >= 5.6.0 时请使用 items 方式配置面板。
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:::
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| 参数 | 说明 | 类型 | 默认值 | 版本 |
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| --- | --- | --- | --- | --- |
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| collapsible | 是否可折叠或指定可折叠触发区域 | `header` \| `icon` \| `disabled` | - | 4.9.0 (icon: 4.24.0) |
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| extra | 自定义渲染每个面板右上角的内容 | ReactNode | - | |
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| forceRender | 被隐藏时是否渲染 body 区域 DOM 结构 | boolean | false | |
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| header | 面板标题 | ReactNode | - | |
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| key | 对应 activeKey | string \| number | - | |
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| showArrow | 是否展示当前面板上的箭头（为 false 时，collapsible 不能设为 icon） | boolean | true | |
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## Semantic DOM
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<code src="./demo/_semantic.tsx" simplify="true"></code>
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## 主题变量（Design Token）
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<ComponentTokenTable component="Collapse"></ComponentTokenTable>
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