The table component bodyCell slot has been redrawing the problem

[menkeydyvh]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

3.1.0

Environment

正常环境

Reproduction link

https://www.antdv.com/components/table-cn#Table

Steps to reproduce

代码如下

<template>
  <a-table :dataSource="dataSource" :loading="loading" :columns="columns" :pagination="pagination">
    <template #bodyCell="{ column, record }">
      <template v-if="column.dataIndex === 't1'">
        <a :class="a1()">t1</a>
      </template>
      <template v-if="column.dataIndex === 't2'">
        <a>t2</a>
      </template>
    </template>
  </a-table>
</template>
<script>
import { defineComponent, ref, onMounted } from "vue";
import { Table } from "ant-design-vue";
export default defineComponent({
  components: { ATable: Table, },
  setup() {
    const dataSource = ref([]),
      loading = ref(false),
      columns = ref([
        { title: "操作", dataIndex: "t1", fixed: 'left' },
        { title: "姓名", dataIndex: "name", },
        { title: "年龄", dataIndex: "age", },
        { title: "住址", dataIndex: "address", },
        { title: "住址1", dataIndex: "address1", },
        { title: "操作", dataIndex: "t2", fixed: 'right' },
      ]);


    const getData = () => {
      loading.value = true;
      setTimeout(() => {
        dataSource.value = [
          {
            key: "1",
            name: "胡彦斌",
            age: 32,
            address1: "1号",
            address: "西湖区湖底公园1号",
          },
          {
            key: "2",
            name: "胡彦祖",
            age: 42,
            address1: "2号",
            address: "西湖区湖底公园1号",
          },
        ]
        loading.value = false;
      }, 1000)
    }, a1 = () => {
      console.log('a1')
    }

    onMounted(getData)

    return {
      pagination: ref({
        current: 1,
        pageSize: 10,
        total: 2,
      }),
      columns,
      loading,
      dataSource,
      a1,
    };
  },
});
</script>

在渲染结果的ui界面有两行数据，当你鼠标移入数据行中

What is expected?

渲染完成后 鼠标移入、移出、表格内输入框的输入清空 会导致整个行重新渲染这应该是不合理的！如果不是重新渲染如何说明控制台a1是怎么被调用的？

What is actually happening?

鼠标来回移动第一行和第二行 浏览器控制台疯狂打印 a1

---

在表格编辑的时候,输入值和清空值也有同样的打印
官方表格可编辑单元格可以拿来做测试
https://www.antdv.com/components/table-cn#components-table-demo-edit-row

[mqhe2007]

我和你遇到同样的问题，我以为这不是一个bug，所以我提交了一个新功能需求用来控制customRender方法只调用一次： #5454

[menkeydyvh]

我和你遇到同样的问题，我以为这不是一个bug，所以我提交了一个新功能需求用来控制customRender方法只调用一次： #5454

这肯定是个bug 因为"ant-design-vue": "3.0.0-beta.13",这个版本我都没出现这个问题，后续我直接更新到最新就发现这个问题了

[tangjinzhou]

做不到，不科学，也不合理

[tangjinzhou]

只保证渲染结果，不保证渲染过程

[github-actions]

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