# 可选卡片 · SelectableCard

- 页面: https://jiguang132.com/zh/resources/astryx/docs/selectable-card
- 资源: Astryx (https://jiguang132.com/zh/resources/astryx.md)
- 全部指南: https://jiguang132.com/zh/resources/astryx/docs.md

通过卡片选择一个或多个选项。

## 安装与前置条件

```bash
npm install @astryxdesign/core@0.7.1 @astryxdesign/theme-neutral@0.7.1 @stylexjs/stylex@0.19.0
```

需要 React 19+，按顺序导入基础 CSS 和主题，并设置 Theme Provider。参见[开始使用](/resources/astryx/docs/getting-started)。

## 示例与使用方式

- **可选卡片 · 综合展示 1**：首先体验这个示例，再查看代码理解组件的组合方式。
- **可选卡片 · 交互示例 2**：可交互查看这一用法的行为，复制代码时保留它实际使用的属性与导入。
- **可选卡片 · 交互示例 3**：可交互查看这一用法的行为，复制代码时保留它实际使用的属性与导入。

## API 与上游详细参考

优先使用 0.7.1 官方中文说明；上游尚未提供中文的条目保留英文。属性名、类型及默认值保持原生 API，不把示例状态名称当成组件属性。

## Selectable Card

A card that toggles between selected and unselected states with an accent border. For navigation use ClickableCard.

| 属性 | 类型 | 默认值 | 说明 |
|---|---|---|---|
| label * | string |  | Accessibility label. |
| isSelected * | boolean |  | Controlled selection state. |
| onChange * | (isSelected: boolean) => void |  | Called when toggled. |
| isDisabled | boolean | false | Disables the card. |
| children | ReactNode |  | Card content. |
| padding | 0 \| 0.5 \| 1 \| 1.5 \| 2 \| 3 \| 4 \| 5 \| 6 \| 8 \| 10 | 4 | Inner padding. |
| variant | 'default' \| 'transparent' \| 'muted' \| 'blue' \| 'cyan' \| 'gray' \| 'green' \| 'orange' \| 'pink' \| 'purple' \| 'red' \| 'teal' \| 'yellow' | 'default' | Background color variant. |
| elevation | 'none' \| 'low' \| 'med' \| 'high' | 'none' | Resting shadow depth. The selection ring composes on top, so a selected card keeps its shadow. |
| width | SizeValue |  | Card width. |
| height | SizeValue |  | Card height. |
| maxWidth | SizeValue |  | Maximum card width. |
| xstyle | StyleXStyles |  | StyleX styles for layout customization (margins, positioning, sizing). Must be a stylex.create() value, not an inline style object like style={{}}. |

### 使用建议

- Use for plan pickers, filter chips, or option grids.
- For single-select track one ID; for multi-select use a Set.
- When focused, toggle selection with Space or Enter.
- 避免：Use for navigation; use ClickableCard for that.

### 主题 API

```json
{
  "container": true,
  "targets": [
    {
      "className": "astryx-selectable-card",
      "visualProps": [
        "selected",
        "variant"
      ]
    }
  ],
  "vars": [
    {
      "name": "--selectable-card-ring-color",
      "description": "Colour of the selection ring drawn for a variant a theme added. The built-in variants each ring in their own border token and ignore this; a theme that adds a variant sets it in the same rule as that variant's `backgroundColor`, because no token the component could pick is guaranteed to contrast with a fill it cannot know.",
      "default": "var(--color-accent)"
    },
    {
      "name": "--_press-overlay",
      "description": "Fill of the ::after interaction overlay: transparent at rest, the hover overlay token on hover (hover-capable pointers), the pressed overlay token while pressed (`:active` on a mouse; `data-astryx-press=\"on\"` written by the touch press controller under a finger) and the hover token for the release fade. Set on the card element by its own interaction arms.",
      "default": "transparent",
      "private": true
    },
    {
      "name": "--_press-overlay-transition",
      "description": "Duration of the overlay's background-color transition: the fast duration token, except 0s while a believed touch press paints so it lands on the first frame.",
      "default": "var(--duration-fast)",
      "private": true
    }
  ]
}
```

### 组件结构

- **Container**: Interactive div with accent border on selection.
- **Content**: Children rendered inside the card.

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