微信小程序实现给循环列表添加点击样式实例

<view class="taga">
 <view class="tag-title">标签</view>
 <view class="tag-box">
 <view wx:for="{{taga}}" wx:key="id" wx:for-index="i">
 <view class="taga-item {{currentItem==item.id?'active-tag':''}}" data-id="{{item.id}}" bindtap="tagChoose">{{item.name}}</view>
 </view>
 </view>
 </view>

 tagChoose:function(options){
 var that = this
 var id = options.currentTarget.dataset.id;
 console.log(id)
 //设置当前样式
 that.setData({
 'currentItem':id
 })


 }