scroll-view组件里的属性bindscroll
。
链接: bindscroll.
//wxml
<scroll-view scroll-y bindscroll="bindscrollfx" class="videoList">
//内容
</scroll-view>
// js
//判断上下滚动方向)(deltaY小于0时,向下,向上则反之)
bindscrollfx: function (e) {
var that = this;
console.log(e.detail.deltaY);
var scrollfx=e.detail.deltaY;
if(scrollfx<0){
that.setData({
istrue_scroll:false //向下滚动
})
}else{
that.setData({
istrue_scroll:true
})
}
},