vue3实现表格编辑和删除功能的示例代码

<template>
    <div class="table">
      <div class="tableTop">现有数据集</div>
      <el-table
        :data="filterTableData"
        style="width: 100%"
        class-name="elTable"
      >
        <template #empty>
          <el-empty description="暂无数据" :image-size="200" />
        </template>
        <el-table-column label="模型创建日期" prop="date" />
        <el-table-column label="模型名称" prop="name" />
        <el-table-column label="镜像地址" prop="address" />
        <el-table-column align="right">
          <template #header>
            <el-input
              v-model="search"
              size="small"
              placeholder="请输入您的模型名称"
            />
          </template>
          <template #default="scope">
            <el-button size="small" @click="handleEdit(scope.$index, scope.row)"
              >编辑</el-button
            >
            <el-button
              size="small"
              type="danger"
              @click="handleDelete(scope.$index)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <el-dialog v-model="dialogVisible">
        <el-form :model="editingRowData">
          <el-form-item label="模型名称">
            <el-input v-model="editingRowData.name" />
          </el-form-item>
        </el-form>
        <div slot="footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="handleUpdate">保存</el-button>
        </div>
      </el-dialog>
    </div>
</template>
 
<script setup>
import {
  ElInput,
  ElTable,
  ElTableColumn,
  ElIcon,
  ElButton,
  ElEmpty,
  ElMessageBox,
  ElMessage,
  ElDialog,
  ElForm,
  ElFormItem
} from 'element-plus'
 
import { computed, ref, reactive } from 'vue'
 
const search = ref('')
const editingRowData = ref({})
const dialogVisible = ref(false) // 编辑回显时的弹窗
let editIndex = -1 // 表示没有编辑的行
const tableData = reactive([
  {
    date: '2023-05-03',
    name: 'Tom',
    address: 'https://mirrors.aliyun.com/'
  },
  {
    date: '2023-05-02',
    name: 'John',
    address: 'http://mirrors.163.com/'
  },
  {
    date: '2023-05-04',
    name: 'Morgan',
    address: 'https://mirrors.hust.edu.cn/'
  },
  {
    date: '2023-05-01',
    name: 'Jessy',
    address: 'https://npm.taobao.org/'
  }
])
 
const handleEdit = (index, row) => {
  editIndex = index
  editingRowData.value = { ...row }
  dialogVisible.value = true
}
 
const handleUpdate = () => {
  if (editIndex !== -1) {
    tableData.splice(editIndex, 1, { ...editingRowData })
    dialogVisible.value = false
    // tableData.value = editingRowData.value  直接赋值会失败,因为直接赋值只是赋值,而这里需要一个对象
    tableData[editIndex] = Object.assign({}, editingRowData.value)
 
    ElMessage({
      type: 'success',
      message: '修改成功'
    })
  } else {
    ElMessage({
      type: 'error',
      message: '修改失败!'
    })
  }
}
 
const filterTableData = computed(function () {
  return tableData.filter(function (data) {
    return (
      !search.value ||
      data.name.toLowerCase().includes(search.value.toLowerCase())
    )
  })
})
 
// 删除数据集
const handleDelete = index => {
  ElMessageBox.confirm('您确定要删除该数据吗?', '警告', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(() => {
    tableData.splice(index, 1)
    ElMessage({
      type: 'success',
      message: '删除成功'
    })
  })
}
 
</script>