city-casereport/miniprogram_npm/tdesign-miniprogram/fab/README.md
2023-12-06 14:22:42 +08:00

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---
title: Fab 悬浮按钮
description: 当功能使用图标即可表意清楚时,可使用纯图标悬浮按钮,例如:添加、发布。
spline: form
isComponent: true
---
<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-100%25-blue" /></span>
<div style="background: #ecf2fe; display: flex; align-items: center; line-height: 20px; padding: 14px 24px; border-radius: 3px; color: #555a65">
<svg fill="none" viewBox="0 0 16 16" width="16px" height="16px" style="margin-right: 5px">
<path fill="#0052d9" d="M8 15A7 7 0 108 1a7 7 0 000 14zM7.4 4h1.2v1.2H7.4V4zm.1 2.5h1V12h-1V6.5z" fillOpacity="0.9"></path>
</svg>
该组件于 0.7.2 版本上线,请留意版本。
</div>
## 引入
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。
```json
"usingComponents": {
"t-fab": "tdesign-miniprogram/fab/fab"
}
```
## 代码演示
### 基础使用
{{ base }}
### 进阶使用
{{ advance }}
## API
### Fab Props
名称 | 类型 | 默认值 | 说明 | 必传
-- | -- | -- | -- | --
button-props | Object | - | 透传至 Button 组件 | N
icon | String | - | 图标 | N
style | String | right: 16px; bottom: 32px; | 悬浮按钮的样式,常用于调整位置(即将废弃,建议使用 `style` | N
text | String | - | 文本内容 | N
### Fab Events
名称 | 参数 | 描述
-- | -- | --
click | `({e: Event})` | 悬浮按钮点击事件
### CSS 变量
组件提供了下列 CSS 变量,可用于自定义样式。
名称 | 默认值 | 描述
-- | -- | --
--td-fab-shadow | @shadow-2 | -