challengeFamily/pages/order/orderDetailList/index.wxml

<block wx:if="{{showData}}">
  <view class="orderList" wx:if="{{orderList.length>0}}">
    <radio-group bindchange="radioChange">
      <label class="weui-cell weui-check__label" wx:for="{{orderList}}" wx:key="index">
        <view class="weui-cell__hd">
          <radio value="{{item.orderid}}" />
          <view>订单{{index+1}}</view>
        </view>
        <view class="weui-cell__bd">参与者：{{item.attendantNames}}</view>
      </label>
    </radio-group>
  </view>
  <view class="noneList" wx:else>
    <view class="title">您尚未购买该活动</view>
    <button size="mini" type="warn" bindtap="jumpToHome">返回首页</button>
  </view>
</block>