Vue实现导航栏点击当前标签变色功能

<template> <div class="now-time"> <div class="timebox"> <a href="#" rel="external nofollow" v-for="(item,index) in nowTime" v-on:click="addClass(index)"  v-bind:class="{ bgColors:index==current}"> <p>{{item.time}}</p> <p>{{item.start}}</p> </a> </div> </div>  </template> <script> export default { name: "Nowtime", methods: { addClass:function(index){  this.current=index; } }, mounted() {  }, data(){ return{  current:0,  nowTime:[  {  time:"9:00",  start:"已开抢"  },  {  time:"10:00",  start:"已开抢"  },  {  time:"11:00",  start:"已开抢"  },  {  time:"12:00",  start:"已开抢"  },  {  time:"13:00",  start:"未开抢"  },  {  time:"14:00",  start:"未开抢"  },  {  time:"15:00",  start:"未开抢"  },  ], } } }</script> <style scoped>.now-time{ width: 100%; height: .8rem; background: #282832; display: flex; overflow-x:scroll;}.timebox{ width: 100%; height: .8rem; display: flex; background: #282832;} .now-time a{ display: flex; flex-direction: column; width: 1.35rem; height: .79rem; align-items: center; flex-shrink: 0; }.now-time a p:first-child{ font-size: .23rem; color: white; font-weight: bold;}.now-time a p:last-child{ font-size: .16rem; color: white;}.timebox .bgColors{ background: #ff5700;}</style>