105 lines
4.6 KiB
Markdown
105 lines
4.6 KiB
Markdown
---
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title: Switch 开关
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description: 用于控制某个功能的开启和关闭。
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spline: form
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isComponent: true
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---
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<span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20lines-100%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20functions-100%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20statements-100%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20branches-82%25-blue" /></span>
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## 引入
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全局引入，在 miniprogram 根目录下的`app.json`中配置，局部引入，在需要引入的页面或组件的`index.json`中配置。
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```json
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"usingComponents": {
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"t-switch": "tdesign-miniprogram/switch/switch"
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}
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```
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## 代码演示
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<a href="https://developers.weixin.qq.com/s/ea6Lpim37ISs" title="在开发者工具中预览效果" target="_blank" rel="noopener noreferrer"> 在开发者工具中预览效果 </a>
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<blockquote style="background-color: #d9e1ff; font-size: 15px; line-height: 26px;margin: 16px 0 0;padding: 16px; border-radius: 6px; color: #0052d9" >
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<p>Tips: 请确保开发者工具为打开状态。导入开发者工具后，依次执行：npm i > 构建npm包 > 勾选 "将JS编译成ES5"</p>
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</blockquote>
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### 基础开关
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{{ base }}
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### 带描述开关
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{{ label }}
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### 自定义颜色
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{{ color }}
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### 开关状态
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{{ status }}
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### 尺寸
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{{ size }}
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## API
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### Switch Props
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名称 | 类型 | 默认值 | 描述 | 必传
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-- | -- | -- | -- | --
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style | Object | - | 样式 | N
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custom-style | Object | - | 样式，一般用于开启虚拟化组件节点场景 | N
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custom-value | Array | [true, false] | 用于自定义开关的值，[打开时的值，关闭时的值]。默认为 [true, false]。示例：[1, 0]、['open', 'close']。TS 类型：`Array<SwitchValue>` | N
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disabled | Boolean | undefined | 是否禁用组件。优先级：Switch.disabled > Form.disabled | N
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icon | Array | [] | `0.27.0`。开关的图标；[打开时的图标，关闭时的图标]。TS 类型：`string[]` | N
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label | Array | [] | `0.27.0`。开关的标签；[打开时的标签，关闭时的标签]。TS 类型：`string[]` | N
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loading | Boolean | false | `0.27.0`。是否处于加载中状态 | N
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size | String | medium | `0.27.0`。开关尺寸。可选项：small/medium/large | N
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value | String / Number / Boolean | null | 开关值。TS 类型：`SwitchValue` `type SwitchValue = string \| number \| boolean`。[详细类型定义](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/switch/type.ts) | N
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default-value | String / Number / Boolean | undefined | 开关值。非受控属性。TS 类型：`SwitchValue` `type SwitchValue = string \| number \| boolean`。[详细类型定义](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/switch/type.ts) | N
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### Switch Events
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名称 | 参数 | 描述
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-- | -- | --
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change | `(value: SwitchValue)` | 数据发生变化时触发
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### CSS Variables
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组件提供了下列 CSS 变量，可用于自定义样式。
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名称 | 默认值 | 描述
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-- | -- | --
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--td-switch-checked-color | @brand-color | -
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--td-switch-checked-disabled-color | @brand-color-disabled | -
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--td-switch-dot-border-color | @bg-color-secondarycontainer | -
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--td-switch-dot-horizontal-margin | 6rpx | -
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--td-switch-dot-large-size | 52rpx | -
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--td-switch-dot-plain-horizontal-margin | 10rpx | -
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--td-switch-dot-plain-large-size | 44rpx | -
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--td-switch-dot-plain-size | 36rpx | -
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--td-switch-dot-plain-small-size | 28rpx | -
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--td-switch-dot-shadow | @shadow-1 | -
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--td-switch-dot-size | 44rpx | -
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--td-switch-dot-small-size | 36rpx | -
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--td-switch-height | 56rpx | -
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--td-switch-icon-large-size | 48rpx | -
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--td-switch-icon-size | 40rpx | -
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--td-switch-icon-small-size | 32rpx | -
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--td-switch-label-checked-color | @switch-checked-color | -
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--td-switch-label-color | @font-gray-4 | -
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--td-switch-label-font-size | 28rpx | -
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--td-switch-label-large-font-size | 32rpx | -
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--td-switch-label-small-font-size | 24rpx | -
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--td-switch-large-height | 64rpx | -
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--td-switch-large-radius | calc(@switch-large-height / 2) | -
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--td-switch-large-width | 104rpx | -
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--td-switch-radius | calc(@switch-height / 2) | -
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--td-switch-small-height | 48rpx | -
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--td-switch-small-radius | calc(@switch-small-height / 2) | -
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--td-switch-small-width | 78rpx | -
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--td-switch-unchecked-color | @font-gray-4 | -
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--td-switch-unchecked-disabled-color | @bg-color-component-disabled | -
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--td-switch-width | 90rpx | - |