vue鼠标划过移入移出触发函数介绍
<ul>>
<li class="" v-on:mouseover="changeActive($event)" v-on:mouseout="removeActive($event)"></li>
</ul>
methods:{
// 鼠标移入加入class
changeActive($event){
$event.currentTarget.className="active";
},
removeActive($event){
$event.currentTarget.className="";
}
}