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console 命令行工具 X clear

                    
>
console
var app=new Vue({
    el:'#app',
    data:{
        tabsParam:['tab1','tab2'],//(这个也可以用对象key,value来实现)
        nowIndex:0,//默认第一个tab为激活状态
    },
    methods:{
        toggleTabs:function(index){
            this.nowIndex=index;
        },
    }
   })
<div id="app">
    <ul class="tabs">
        <li class="li-tab" v-for="(item,index) in tabsParam" 
        @click="toggleTabs(index)"
        :class="{active:index==nowIndex}">{{item}}</li>
    </ul>
    <div class="divTab" v-show="nowIndex===0">我是tab1</div>
    <div class="divTab" v-show="nowIndex===1">我是tab2</div>
</div>
      .active{
        background: #eee;
       }
       .tabs{
        width: 200px;
        height: 20px;
        font:0;
        padding:0;
       }
       .li-tab{
        width: 50%;
        height: 100%;
        display:inline-block;
        text-align: center;
       }
       .divTab{
        width: 200px;height: 300px;
       }