<div class='niubi'>
<p :class="active===index ? 'isActive' : ''" @click="bb(index)" v-for="(item,index) in arrow" :key="index">
{{item.name}}
</p>
</div>
arrow:[ { name:'大哥' }, { name:'小弟' }, { name:'第中弟' } ], active:0
方法:
bb(index){
this.active=index
},
樣式自己去寫
