这篇文章主要介绍了微信小程序 教程之wxapp视图容器 scroll-view的相关资料,需要的朋友可以参考下
相关文章:
- 微信小程序 教程之wxapp视图容器 swiper
- 微信小程序 教程之wxapp视图容器 scroll-view
- 微信小程序 教程之wxapp 视图容器 view
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,则滚动到该元素,元素顶部对齐滚动区域顶部 |
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 WXSS 设置 height。
示例代码:
<view class="section">
<view class="section__title">vertical scroll</view>
<scroll-view scroll-y="true" style="height: 200px;" bindscrolltoupper="upper" bindscrolltolower="lower" bindscroll="scroll" scroll-into-view="{{toView}}" scroll-top="{{scrollTop}}">
<view id="green" class="scroll-view-item bc_green"></view>
<view id="red" class="scroll-view-item bc_red"></view>
<view id="yellow" class="scroll-view-item bc_yellow"></view>
<view id="blue" class="scroll-view-item bc_blue"></view>
</scroll-view>
<view class="btn-area">
<button size="mini" bindtap="tap">click me to scroll into view </button>
<button size="mini" bindtap="tapMove">click me to scroll</button>
</view>
</view>
<view class="section section_gap">
<view class="section__title">horizontal scroll</view>
<scroll-view class="scroll-view_H" scroll-x="true" style="width: 100%">
<view id="green" class="scroll-view-item_H bc_green"></view>
<view id="red" class="scroll-view-item_H bc_red"></view>
<view id="yellow" class="scroll-view-item_H bc_yellow"></view>
<view id="blue" class="scroll-view-item_H bc_blue"></view>
</scroll-view>
</view>
var order = ['red', 'yellow', 'blue', 'green', 'red']
Page({
data: {
toView: 'red',
scrollTop: 100
},
upper: function(e) {
console.log(e)
},
lower: function(e) {
console.log(e)
},
scroll: function(e) {
console.log(e)
},
tap: function(e) {
for (var i = 0; i < order.length; ++i) {
if (order[i] === this.data.toView) {
this.setData({
toView: order[i + 1]
})
break
}
}
},
tapMove: function(e) {
this.setData({
scrollTop: this.data.scrollTop + 10
})
}
})
scroll-view
感谢阅读,希望能帮助到大家,谢谢大家对本站的支持! |