组件里面调用组建的方法

<template>
 <div>
    <a-menu mode="horizontal" @click="menuClick" v-model=current>
      <a-sub-menu>
        <span slot="title" class="submenu-title-wrapper">
          <a-icon type="DataCleaning" />测试数据清理</span>
        <a-menu-item key="DataCleaning_1">清除B2C购课用户信息</a-menu-item>
      </a-sub-menu>
    </a-menu>
     <DataCleaning class="position" v-if='selectnum=="DataCleaning_1"'> </DataCleaning>
 </div>
</template>

<script>
import DataCleaning from "../../../components/tool/b_end/DataCleaning"
 
  export default {
    data() {
      return {
        //控制默认选择
        current: ['DataCleaning_1'],
        selectnum:"DataCleaning_1",
      }
    },
   methods: {
    menuClick(e) {
      console.log(e.key);
      this.selectnum=e.key
    },
     
    },
    components:{
      DataCleaning,
    },
  }


</script>

<style>
.position{
   position:relative;top:50px;}

</style>