DOM部分
<ul>
<li class="liMenu"
:class="idx==index?'hover':''" @click="son(item,idx)" v-for="(item,idx) in menu"
:key="idx">{{item}}
</li>...
DOM部分
<ul>
<li class="liMenu"
:class="idx==index?'hover':''" @click="son(item,idx)" v-for="(item,idx) in menu"
:key="idx">{{item}}
</li>
</ul>JS
data(){
return{
menu:['首页','列表页','详情页'],
index:0
}
},
methods:{
son(item,idx){
this.index=idx;
}
}CSS
.liMenu{
margin-right: 20px;
cursor:pointer;
}
.liMenu.hover{
color:red;
}
