scroll-view
优质
小牛编辑
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2023-12-01
scroll-view
可滚动视图区域。
属性名 | 类型 | 默认值 | 说明 |
---|---|---|---|
scroll-x | Boolean | false | 允许横向滚动 |
scroll-y | Boolean | false | 允许纵向滚动 |
upper-threshold | Number | 50 | 距顶部/左边多远时(单位px),触发 scrolltoupper 事件 |
lower-threshold | Number | 50 | 距底部/右边多远时(单位px),触发 scrolltolower 事件 |
scroll-top | Number | 设置竖向滚动条位置 | |
scroll-left | Number | 设置横向滚动条位置 | |
scroll-into-view | String | 值应为某子元素id(id不能以数字开头)。设置哪个方向可滚动,则在哪个方向滚动到该元素 | |
scroll-with-animation | Boolean | false | 在设置滚动条位置时使用动画过渡 |
enable-back-to-top | Boolean | false | iOS点击顶部状态栏、安卓双击标题栏时,滚动条返回顶部,只支持竖向 |
bindscrolltoupper | EventHandle | 滚动到顶部/左边,会触发 scrolltoupper 事件 | |
bindscrolltolower | EventHandle | 滚动到底部/右边,会触发 scrolltolower 事件 | |
bindscroll | EventHandle | 滚动时触发,event.detail = {scrollLeft, scrollTop, scrollHeight, scrollWidth, deltaX, deltaY} |
使用竖向滚动时,需要给<scroll-view/>
一个固定高度,通过 JXSS 设置 height。
示例代码
<!--scroll-view.jxml-->
<view class="section ">
<view class="section-title">
<text>纵向滑动 scroll-y</text>
</view>
<view class="">
<scroll-view
style="height: 300rpx;"
scroll-y
bindscrolltoupper="upper"
bindscrolltolower="lower"
bindscroll="scroll"
>
<view class="scroll-view_H">
<view id="A1" class="scroll-view-item_H scroll-1">A1</view>
<view id="A2" class="scroll-view-item_H scroll-2">A2</view>
<view id="A3" class="scroll-view-item_H scroll-3">A3</view>
</view>
<view class="scroll-view_H">
<view id="B1" class="scroll-view-item_H scroll-2">B1</view>
<view id="B2" class="scroll-view-item_H scroll-3">B2</view>
<view id="B3" class="scroll-view-item_H scroll-1">B3</view>
</view>
<view class="scroll-view_H">
<view id="C1" class="scroll-view-item_H scroll-3">C1</view>
<view id="C2" class="scroll-view-item_H scroll-1">C2</view>
<view id="C3" class="scroll-view-item_H scroll-2">C3</view>
</view>
</scroll-view>
</view>
</view>
<view class="section section-vertical-spacing">
<view class="section-title">
<text>横向滑动 scroll-x</text>
</view>
<view class="section-spacing">
<scroll-view
style="height: 300rpx;"
scroll-x
bindscrolltoupper="upper"
bindscrolltolower="lower"
bindscroll="scroll"
>
<view class="scroll-view_H">
<view id="A1" class="scroll-view-item_H scroll-1">A1</view>
<view id="A2" class="scroll-view-item_H scroll-2">A2</view>
<view id="A3" class="scroll-view-item_H scroll-3">A3</view>
</view>
<view class="scroll-view_H">
<view id="B1" class="scroll-view-item_H scroll-2">B1</view>
<view id="B2" class="scroll-view-item_H scroll-3">B2</view>
<view id="B3" class="scroll-view-item_H scroll-1">B3</view>
</view>
<view class="scroll-view_H">
<view id="C1" class="scroll-view-item_H scroll-3">C1</view>
<view id="C2" class="scroll-view-item_H scroll-1">C2</view>
<view id="C3" class="scroll-view-item_H scroll-2">C3</view>
</view>
</scroll-view>
</view>
</view>
Bug & Tip
tip
: 请勿在scroll-view
中使用textarea
、map
、canvas
、video
组件tip
:scroll-into-view
的优先级高于scroll-top
tip
: 在滚动scroll-view
时会阻止页面回弹,所以在scroll-view
中滚动,是无法触发onPullDownRefresh