Vue3+Element plus 实现表格可编辑

<template>

  <div>
    <el-button type="primary" @click="handleAdd">
      新增
    </el-button>
  </div>
  <div>  
    <el-table
      :data="tableData"
      style="width: 100%"
      border
      @cell-click="showUnitInput"
      >
        <el-table-column prop="date" label="Date"></el-table-column>
        <el-table-column prop="name" label="Name">
          <template #default="{ row, column }">
            <el-input
                v-if="
                tableRowEditId === row.id &&tableColumnEditIndex === column.id"
                @blur="blurValueInput(row, column)"
                @keyup.enter="blurValueInput(row, column)"
                v-model="row.name"
            />
            <span v-else>{{ row.name }}</span>
        </template>
        </el-table-column>
        <el-table-column prop="address" label="Address">
          <template #default="{ row, column }">
            <el-input
                v-if="
                tableRowEditId === row.id &&tableColumnEditIndex === column.id"
                @blur="blurValueInput(row, column)"
                @keyup.enter="blurValueInput(row, column)"
                v-model="row.address"
            />
            <span v-else>{{ row.address }}</span>
        </template>
        </el-table-column>
        <el-table-column prop="value" label="Value">
          <template #default="{ row, column }">
            <el-input
                v-if="
                tableRowEditId === row.id 
                &&tableColumnEditIndex === column.id
                "
                @blur="blurValueInput(row, column)"
                @keyup.enter="blurValueInput(row, column)"
                v-model="row.value"
            />
            <span v-else>{{ row.value }}</span>
        </template>
      </el-table-column>
      <el-table-column label="Operate">
          <template #default="{ row }">
            <el-button type="danger" link @click="handleDelete(row)">Delete</el-button>
          </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script setup>
import { ref } from 'vue'

let tableRowEditId = ref(null) // 控制可编辑的每一行
let tableColumnEditIndex = ref(null) //控制可编辑的每一列

const showUnitInput = (row, column) => {
  //赋值给定义的变量
  tableRowEditId.value = row.id //确定点击的单元格在哪行 如果数据中有ID可以用ID判断，没有可以使用其他值判断，只要能确定是哪一行即可
  tableColumnEditIndex.value = column.id //确定点击的单元格在哪列 
}
const blurValueInput = (row, column) => {
  // tableRowEditId.value = null
  // tableColumnEditIndex.value = null
  //在此处调接口传数据
}
const tableData = ref([
  {
    id:1,
    date: '2016-05-03',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
    value: '1'
  },
  {
    id:2,
    date: '2016-05-02',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
    value: '2'
  },
  {
    id:3,
    date: '2016-05-04',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
    value: '3'
  },
  {
    id:4,
    date: '2016-05-01',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
    value: '4'
  }
])

const handleDelete = (row) => {
  const index = tableData.value.indexOf(row)
  if (index !== -1) {
    tableData.value.splice(index, 1)
  }
}

const handleAdd = () => {
  tableData.value.unshift({
    id:tableData.value.length+1,
    date: '2016-05-05',
    name: 'Tom',
    address: 'No. 189, Grove St, Los Angeles',
    value: tableData.value.length+1
  });
  
}
</script>

<style>
</style>