tab
```
<view class="flex text-center"> <view class="cu-item flex-sub {{index==TabCur?'text-orange cur':''}}" wx:for="{{4}}" wx:key bindtap="tabSelect" data-id="{{index}}"> Tab{{index}} </view> </view>
```
tab中有圖標
```
<view class="cu-item {{0==TabCur?'text-white cur':''}}" bindtap="tabSelect" data-id="0"> <text class="cuIcon-camerafill"></text> 數碼 </view> <view class="cu-item {{1==TabCur?'text-white cur':''}}" bindtap="tabSelect" data-id="1"> <text class="cuIcon-upstagefill"></text> 排行榜 </view> <view class="cu-item {{2==TabCur?'text-white cur':''}}" bindtap="tabSelect" data-id="2"> <text class="cuIcon-clothesfill"></text> 皮膚 </view>
```
