AntDesign -vue table 获取滚动条

<a-table 
    ref="tableRef" 
    :columns="columns" 
    :data-source="data" 
    :scroll="{ x: 1500, y: 300 }">
        <a slot="action" slot-scope="text">action</a>
  </a-table>

获取 ref节点

this.$refs.tableRef.$el.querySelector('.ant-table-body').scrollTop = 0