<view class="hotWares">
    <view wx:for="{{wareCards}}" wx:key="{{index}}" class="hotWareCard" bindtap="openClass" data-classId="{{item.classId}}" data-title="{{item.title}}">
        <image class="wareCardImg" src="{{item.img}}" />
        <view class="resultData">
            <text class="wareCardTitle">{{item.title}}</text>
            <text class="wareCardTip">{{item.grade}}</text>
        </view>
        <!-- <view class="bottomData">
                    <text class="wareCardTip">{{item.grade}}</text>
                </view> -->
    </view>
     <myPlacerholder line1="{{'没有您想要的结果'}}" line2="{{'换个关键词再试'}}" wx:if="{{wareCards.length <= 0}}" />  
</view>