minixyz/pages/index/index.wxml

<!-- pages/index/index.wxml -->
<swiper_message></swiper_message>
<view style="max-width: 750rpx;margin: auto;overflow-x: hidden;">
    <blockList  prop_special="{{prop_special}}" summery="{{summery}}" special_datas="{{special_datas}}"
                bind:wxButtonEvent='onWxButtonEvent'>
    </blockList>
    <image  bindtap='backTop' 
            style="display:{{isScroll?'block':'none'}}" 
            mode='widthFix' class='back_top_btn' src='../../image/back_top.png'></image>
</view>