tab切换样式改变

<template>

 <div @click="cur=0"  :class="[cur==0? 'nav-userh':'nav-user']">数据统计</div>

      <div @click="cur=1"  :class="[cur==1? 'nav-userh':'nav-user']">用户总人数</div>

    <div class="tab-content">

      <div v-show="cur==0">内容一</div>

      <div v-show="cur==1">内容二</div>

    </div>

</template>

<script lang="ts">

import { defineComponent, ref } from 'vue'

export default defineComponent({

  setup () {

    const cur = ref(1)

    return { cur }

  }

})

</script>

<style scoped lang="less">

.nav-userh {

  color: red;

}

.nav-user {

  color: blue;

}

.tab-content{

  width: 100px;

  height: 100px;

  border: 1px solid red;

}

</style>