vue实现顶部菜单栏

 <template>
<div>
 <div class="tab-content">
  <div class="tab-content1" @click="cur=1" :class="{active:cur==1}"><span>数据标注</span> </div>
  <div class="tab-content2" @click="cur=2" :class="{active:cur==2}">案件数</div>
 </div>
 <div class="tab">
 <div v-show="cur==1">
  <div>内容1</div>
 </div>
 <div v-show="cur==2">
  <div>内容2</div>
 </div>
 </div>
</div>
</template>

<script>

export default {
 data () {
  return{
   cur:1
  }
 },

methods:{
  
 }
}
</script>
<style scoped>
.tab-content .active{
 background-color: #194e84 !important;
 color: #fff; 
}
.tab-content1{
 text-align: center;
 cursor: pointer;
 width: 150px;
 height: 30px;
 border: 1px solid #ccc;
}
.tab-content2{
 margin-top:-30px;
 text-align: center;
  cursor: pointer;
  margin-left:200px;
 width: 150px;
 height: 30px;
 border: 1px solid #ccc;
}
</style>