vue点击tab跳转页面，给点击的tab添加样式，且解决刷新以后点击的tab样式消失问题

<ul class="nij">  
    <li v-for="item in nav" @click="selectNav(item.title)">  
        <p :class="isSelect === item.title ? ‘active‘ : ‘‘">{{item.title}}</p>  
    </li>  
</ul>  

data:function(){
　　return{
　　　　isSelect: ‘senUs‘,
　　　　nav: [
　　　　　　{title: ‘senUs‘},
　　　　　　{title: ‘senGermany‘},
　　　　　　{title: ‘senFrance‘},

　　　　　　{title: ‘senUk‘}
　　　　]
　　}
}，

methods:{
  selectNav (title) {  
     var that=this;
     this.$nextTick(function(){
        that.isSelect = that.$route.name  
     })
   　switch (title) {  
       case ‘senUs‘: this.$router.push(‘/sentiSectors/senUs‘)  
       break  
       case ‘senGermany‘: this.$router.push(‘/sentiSectors/senGermany‘)  
       break  
       case ‘senFrance‘: this.$router.push(‘/sentiSectors/senFrance‘)  
       break  
       case ‘senUk‘: this.$router.push(‘/sentiSectors/senUk‘)  
       break  
   　}  
　　}  
 },
 mounted(){
   　this.isSelect = this.$route.name;
 },

.nij{
    p{
        line-height:30px;
    }
}
.active{  
  color: #ffd100;  
}