<view class="top-tab flex-cm bg-white fixed left top">
    <view class="flex-lm">
        <block wx:for="{{list}}">
            <view class="black-font font32r {{item.isactive==true ? 'orange-font border-bottom' : ''}} top-tab-block flex-cm">{{item.title}}</view>
        </block>
    </view>
</view>