小程序如何点击获取下标

Question

<view class="buy-course-box">        <view class="buy-selects buy-card">             <label class="course-label" wx:for="{{cardName}}" bindtap="setCard">                 <input type="radio" class="course-card-input"/>                 <view>{{item.name}}</view>             </label>                      </view>     </view>我想点击取下标但是没有成功，应该怎么做

Answer 1

Carousel:function(event){    var idx=event.target.dataset.index;    this.setData({
        indx:idx
      })
  }

就是这样，请采纳