<view class="tag-box" bindtap="addTags">
    <view class="systemtag" wx:for="{{systemtag}}" wx:key="item">
        {{item}}
    </view>
    <view class="datatag" wx:for="{{datatag}}" wx:key="item">
        {{item}}
    </view>
    <view class="add" wx:if="{{add}}">
        <van-icon name="plus" style="margin-right: 6rpx;" />添加
    </view>
</view>