<view class="tabbar" style="padding-bottom: {{safeAreaBot}}rpx;">
    <navigator url="#" class="tabbar-item" wx:for="{{showList}}" wx:key="index" data-item="{{item}}" bindtap="callback">
        <view class="icon" wx:if="{{item.icon}}">
            <text class="iconfont {{item.icon}}" />
        </view>
        <view wx:else class="num line-1">{{item.num}}</view>
        <view class="label line-1">{{item.label}}</view>
    </navigator>
</view>
<van-popup show="{{ show }}" position="bottom" bind:close="onClose" round>
    <view class="extend">
        <navigator url="#" class="tabbar-item" wx:for="{{extend}}" wx:key="index" data-item="{{item}}" bindtap="callback">
            <view class="icon" wx:if="{{item.icon}}">
                <text class="iconfont {{item.icon}}" />
            </view>
            <view wx:else class="num line-1">{{item.num}}</view>
            <view class="label line-1">{{item.label}}</view>
        </navigator>
    </view>
    <view style="height: 110rpx;" />
</van-popup>