html部分:v-for循环出的结构
<div>
<p click=clickSize>{{item.name}}</p>
<transition name=opacityLeave>
<div class=condition-list v-show=isShowSize xss=removed>
<div class=size-wrap v-if=item.RingSize>
<p class=size :class={'active':item1.active} :key=index1