<view class=“active-header {{titel?‘titel-list’:’’}}”>

<view class=“active-header-block {{ind==‘0’? ‘active’ : ‘’}}” data-index=“0” data-val=“1” bindtap=“changeBanner”>上新</view>

<view class=“active-header-block {{ind==‘1’? ‘active’ : ‘’}}” data-index=“1” data-val=“2” bindtap=“changeBanner”>热销</view>

<view class=‘active-header-block {{daindex2 ==“0”||daindex2 ==“1” ?“active”:""}}’ data-index=“2” data-index="{{daindex2}}" bindtap=“choosesort2”>

价格

<image src="{{imageurl2}}" wx:if="{{noticeContent}}"></image>

</view>

</view>

Page({

data: {

titel: false,

}，

onPageScroll(res) {

    var that = this

    if (res.scrollTop >that.data.scrollTop) {

    that.setData({

    titel: true

    })

    } else {

    that.setData({

    titel: false

    })

    }

}

onPageScroll做滚动吸顶在真机上反应迟钝，一点都不流畅，体验效果不好