<!-- 决定将二维数组数据遍历出来 -->
<view class="card-swiper">
    <view wx:for="{{swiperData}}" wx:key="index" data-index="{{index}}" data-src="{{item.url}}" style="background: {{back}};" class="{{'card-swiper-item curdistance' + (swiperCurIndex + index) +  (!!item.slideClass? item.slideClass: '')}}" bindtap="next" catchtouchstart="touchCard.start" catchtouchmove="touchCard.move" catchtouchend="touchCard.end" catchtouchcancel="touchCard.cancel">
        <image class="img_css" src="{{item.url}}" mode="scaleToFill"/>
    </view>
</view>