vueµã»÷Çл»class

<div>
    <ul>
        <li v-for="(item,index) in movies"
                :class="{active:currentIndex === index}"
                @click="liclick(index)">
            {{index}}.{{item}}
        </li>
    </ul>
</div>

    const app = new vue({
        el:"#app",
        data:{
            movies:['°Ö°ÖÈ¥ÄĶù',"´óʦÐÖ","×îÇ¿´óÄÔ"],
            currentIndex:0
        },
        methods:{
            liclick(index){
               this.currentIndex = index
          }
        }
    })