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fix(accordion): Accordion组件默认开启的状态时 state wrapperHeight 初始设置为0会导致动画错误 #1036

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leidenglai
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wrapperHeight默认值 0时,toggleWithAnimation设置startHeight时 会导致css3错误触发动画;现在的示例第二个就有这个问题:https://taro-ui.jd.com/#/docs/accordion
fix: 将组件的state wrapperHeight 默认值设置为 ’unset‘,可以防止toggleWithAnimation方法设置初始高度是错误的出现动画。
希望采纳,或者用更优雅的方式解决下,谢谢

@leidenglai leidenglai changed the title fix(accordion): Accordion组件默认开启的状态时 state height 初始为0 导致动画错误 fix(accordion): Accordion组件默认开启的状态时 state wrapperHeight 初始设置为0会导致动画错误 Apr 27, 2020
@Garfield550 Garfield550 self-requested a review April 27, 2020 05:32
@b2nil
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b2nil commented Sep 21, 2020

问题

如果一个页面使用了两个以上 AtAccordion 组件, toggleWithAnimation(): void 获取到的高度永远是第一个 AtAccordion 组件的 '.at-accordion__body' 高度。

当第一个 AtAccordion 组件内容较少(即高度较矮)时, 其他 AtAccordion 组件展开或收起时的动画会异常,默认开启时会快速收起, 默认关闭时, 展开或收起时,动画到达第一个 AtAccordion 组件的高度后,就会一下变快。

当第一个 AtAccordion 组件的高度较高时,就会发现高度矮的 AtAccordion 组件的动画效果会溢出到空白的区域。

private toggleWithAnimation(): void {
    const { open, isAnimation } = this.props
    if (!this.isCompleted || !isAnimation) return

    this.isCompleted = false
    delayQuerySelector(this, '.at-accordion__body', 0).then(rect => {
        const height = parseInt(rect[0].height.toString())
        ...
    })
}

建议

可以在这里加一个动态 id:

<View id="{uniqueDynamicID}" className='at-accordion__body'>{this.props.children}</View>

然后在 toggleWithAnimation(): void 中获取该 id 的高度, 确保拿到具体 AtAccordion 组件的高度:

delayQuerySelector(this, `#{uniqueDynamicID}.at-accordion__body`, 0).then(rect => {
   const height = parseInt(rect[0].height.toString())
   ...
})

@yuwangjuan
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yuwangjuan commented Aug 16, 2022

添加.at-accordion__content的height:auto !important 覆盖原本height,亲测有效

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3 participants