<view class="section" bindtap=“click1”> <view class="section__title">flex-direction: column</view> <view class="flex-wrp" style="height: 300px;flex-direction:column;" > <view class="flex-item bc_green" hover-stop-propagation catchtap="click2>1</view> <view class="flex-item bc_red">2</view> <view class="flex-item bc_blue">3</view> </view></view>点击click2时组织触发其父元素；点击使用catchtap
给当前元素加上hover-stop-propagation，
click1(){console.log("111")},click2(){console.log("222")}
