ant-design/components/float-button/index.zh-CN.md

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feat: Float Button (#37520) * feat: add FloatButton * feat: add FloatButton * feat: FloatButton * feat: FloatButton * fix: fix * feat: FloatButton * feat: FloatButton * feat: FloatButton * feat: FloatButton * feat: FloatButton * fix: add groupShape * feat: mergeShape * fix: fix * fix: fix style * fix: style fix * fix: fix * fix: style fix * fix: fix * fix: fix * fix: fix * fix: fix style * fix: fix style * fix: fix style * fix: style fix * feat: back-top * fix: style bug fix * fix: fix erroe * fix: add tiggerElement * fix: add tiggerElement * fix: add tiggerElement * fix: add tiggerElement * feat: add useMemo * docs: add docs * fix: bugFix * fix: bugFix * fix: bugfix * fix: style fix * fix: bugfix * test: add test case * fix: style fix * fix: style fix * fix: fix style * fix: fix style * fix: fix trigger action * fix: fix style * feat: add demo * fix: add demo * feat: add docs * fix: style ifx * feat: update maxSize of bundlesize * feat: add animation for group * fix: fix * fix: fix style * fix: fix test case * fix: fix test case * fix: fix type * fix: fix type * fix: update bundlesize * fix: fix * fix: fix style * fix: fix style * fix: updata snap * fix: fix CI * fix: fix style * fix: rename float button motion * fix: fix style * fix: bugFix * fix: fix style * fix: bugFix * fix: update docs * refactor: float button trigger * test: fix test case & update snapshot * fix: delete rest * docs: update demo * test: update snapshot * fix: fix eslint error * test: update snapshot * style: update icon fontSize to 18 * fix: fix style * fix: style fix * fix: test case fix * test: add test case * fix: style fix * test: update snap * fix: style fix * fix: style fix * fix: style fix * docs: demo update * fix: style fix * docs: update demo * test: update snapshot Co-authored-by: 黑雨 <wangning4567@163.com> Co-authored-by: MadCcc <1075746765@qq.com>
2022-09-23 14:31:16 +08:00
---
category: Components
type: 其他
subtitle: 悬浮按钮
title: FloatButton
cover: https://gw.alipayobjects.com/zos/bmw-prod/9b1b62fe-e677-4afc-b9fe-1b2993662611.svg
---
悬浮按钮。自 `5.0.0` 版本开始提供该组件。
## 何时使用
- 用于网站上的全局功能;
- 无论浏览到何处都可以看见的按钮。
## API
### 共同的 API
| 参数 | 说明 | 类型 | 默认值 | 版本 |
| --- | --- | --- | --- | --- |
| icon | 自定义图标 | ReactNode | - | |
| description | 文字及其它内容 | ReactNode | - | |
| tooltip | 气泡卡片的内容 | ReactNode \| () => ReactNode | - | |
| type | 设置按钮类型 | `default` \| `primary` | `default` | |
| shape | 设置按钮形状 | `circle` \| `square` | `circle` | |
| onClick | 点击按钮时的回调 | (event) => void | - | |
| href | 点击跳转的地址,指定此属性 button 的行为和 a 链接一致 | string | - | |
| target | 相当于 a 标签的 target 属性href 存在时生效 | string | - | |
### FloatButton.Group
| 参数 | 说明 | 类型 | 默认值 | 版本 |
| ------------ | -------------------------------- | ----------------------- | -------- | ---- |
| shape | 设置包含的 FloatButton 按钮形状 | `circle` \| `square` | `circle` | |
| trigger | 触发方式(有触发方式为菜单模式) | `click` \| `hover` | - | |
| open | 受控展开 | boolean | - | |
| onOpenChange | 展开收起时的回调 | (open: boolean) => void | - | |
### FloatButton.BackTop
| 参数 | 说明 | 类型 | 默认值 | 版本 |
| ---------------- | ---------------------------------- | ----------------- | ------------ | ---- |
| duration | 回到顶部所需时间ms | number | 450 | |
| target | 设置需要监听其滚动事件的元素 | () => HTMLElement | () => window | |
| visibilityHeight | 滚动高度达到此参数值才出现 BackTop | number | 400 | |
| onClick | 点击按钮的回调函数 | () => void | - | |