vue 实现v-for循环回来的数据动态绑定id

如下所示： 代码效果图!!!!! <ul> <li v-for=(site,index) key=index id=forId(index)> <span class=channel-li-li-border> <span class=firstLevel>{{site.name}}</span> </span> </li> </ul> [removed] new Vue({ el: '#cat2s', data: function(){ return { brandList: [], sites: [ { name: '품