需求

vue3 项目中 使用UI组件库 ElementPlus 时，table 中嵌入 input输入框

分析

<template><div class="p-10"><el-table :data="tableData" border><el-table-column prop="date" label="Date"></el-table-column><el-table-column prop="name" label="Name"></el-table-column><el-table-column prop="address" label="Address"></el-table-column><el-table-column label="Value"><template #default="scope"><span v-show="scope.$index !== editIndex">{{ scope.row.value }}</span><el-inputv-show="scope.$index === editIndex"v-model="scope.row.value"></el-input></template></el-table-column><el-table-column label="Operate"><template #default="{ row }"><el-button link @click="handleEdit(row)">Edit</el-button><el-button type="primary" link @click="handleSave">Save</el-button><el-button type="danger" link @click="handleDelete(row)">Delete</el-button></template></el-table-column></el-table></div>
</template><script setup lang="ts">
import { ref } from 'vue'const tableData = ref([{date: '2016-05-03',name: 'Tom',address: 'No. 189, Grove St, Los Angeles',value: '1'},{date: '2016-05-02',name: 'Tom',address: 'No. 189, Grove St, Los Angeles',value: '2'},{date: '2016-05-04',name: 'Tom',address: 'No. 189, Grove St, Los Angeles',value: '3'},{date: '2016-05-01',name: 'Tom',address: 'No. 189, Grove St, Los Angeles',value: '4'}
])
const editIndex = ref(-1)const handleEdit = (row) => {editIndex.value = tableData.value.indexOf(row)
}const handleSave = () => {editIndex.value = -1console.log(tableData.value)
}const handleDelete = (row) => {tableData.value.splice(tableData.value.indexOf(row), 1)
}
</script>