实现效果如下

封装的table表单

<template>
    <el-table
        :span-method="arraySpanMethod"
        :header-cell-style="rowClass"
        :cell-style="cellStyle"
        :data="tableData"
        style="width: 100%; height: 100%"
    >
        //暂无数据展示
        <template #empty>
            <div
                style="
                    width: 217px;
                    padding-left: 34%;
                    height: 154px;
                    line-height: 20px;
                "
            >
                <img src="@/assets/images/noData.png" alt="" />
                <span style="line-height: 20px">暂无数据</span>
            </div>
        </template>
         //多级表头
        <template v-for="(item, index) in tableList" :key="index">
            <el-table-column
                :type="item.type"
                :index="item.type ? indexMethod : 0"
                :fixed="item.fixed"
                :label="item.label"
                :prop="item.prop"
                :width="item.width"
                :min-width="item.minWidth"
            >
                <template v-if="item.children">
                    <el-table-column
                        :label="item.label"
                        :prop="item.prop"
                        :width="item.width"
                        v-for="(item, index) in item.children"
                        :key="index"
                    >
                        <template v-if="item.children">
                            <el-table-column
                                :width="item.width"
                                :label="item.label"
                                :prop="item.prop"
                                v-for="(item, index) in item.children"
                                :key="index"
                            >
                            </el-table-column>
                        </template>
                    </el-table-column>
                </template>
            </el-table-column>
        </template>
        <!-- 操作事件 -->
        <el-table-column
            v-if="props.formOperations.exist"
            :label="props.formOperations.label"
            :fixed="props.formOperations.fixed"
        >
            <template #default="scope">
                <el-button
                    size="small"
                    @click="handleEdit(scope.$index, scope.row)"
                    >Edit</el-button
                >
            </template>
        </el-table-column>
    </el-table>
</template>
    
  <script setup>
const props = defineProps({
    // 表单是否有最右侧的操作按钮有则调用change事件
    formOperations: {
        type: Object,
        default: () => {
            //固定到最左侧fixed:left，最右侧：fixed:right,默认固定：true,不固定：false，exist必传
            return { fixed: false, label: '', exist: false };
        },
    },
    tableData: {
        type: Array,
        default: function () {
            return [];
        },
    },
    tableList: {
        type: Array,
        default: function () {
            return [];
        },
    },
    // 最小宽度要统一放到config内部
    config: {
        type: Object,
        default: {},
    },
});
function indexMethod(index) {
    return index + 1;
}
function rowClass({ row, rowIndex }) {
    // console.log(rowIndex); //表头行标号为0
    // return { background: 'red' };
}
//cellStyle()查找行列中单个的表格元素
function cellStyle({ row, column, rowIndex, columnIndex }) {
    const colorEnumeration = {
        Ⅰ类: '#24bd5d',
        Ⅱ类: '#24bd5d',
        Ⅲ类: '#d8bc37',
        Ⅳ类: '#f87c12',
        Ⅴ类: '#f88d18',
        劣Ⅴ类: '#94004b',
    };
    if (columnIndex >= 2) {
        //指定坐标rowIndex ：行，columnIndex ：列
        let index = Object.keys(row)[columnIndex - 2];
        return { background: colorEnumeration[row[index]] }; //rgb(105,0,7)
    } else {
        return '';
    }
}
function arraySpanMethod({ row, column, rowIndex, columnIndex }) {
    // if (rowIndex % 2 === 0) {
    //     if (columnIndex === 0) {
    //         return [1, 2];
    //     } else if (columnIndex === 1) {
    //         return [0, 0];
    //     }
    // }
}

// const tableData = [
//     {
//         date: '2016-05-03',
//         name: 'Tom',
//         state: 'California',
//         city: 'Los Angeles',
//         address: 'No. 189, Grove St, Los Angeles',
//         zip: 'CA 90036',
//     },
//     {
//         date: '2016-05-02',
//         name: 'Tom',
//         state: 'California',
//         city: 'Los Angeles',
//         address: 'No. 189, Grove St, Los Angeles',
//         zip: 'CA 90036',
//     },
// ];

// const tableList = [
//     {
//         fixed: true,
//         label: 'Data',
//         prop: 'date',
//         width: '130',
//         // children: [{ prop: "date", width: "160" }],
//     },
//     {
//         label: 'Delivery Info',
//         children: [
//             { label: 'Name', prop: 'name', width: '120' },
//             {
//                 label: 'Address Info',
//                 children: [
//                     { label: 'State', prop: 'state', width: '120' },
//                     { label: 'City', prop: 'city', width: '120' },
//                     { label: 'Address', prop: 'address' },
//                     {
//                         label: 'zip',
//                         prop: 'zip',
//                         width: '120',
//                     },
//                 ],
//             },
//         ],
//     },
// ];
const emit = defineEmits(['change']);
function handleEdit(index, sum) {
    //   console.log(index, sum);
    emit('change', index, sum);
}
</script>
<style scoped>
/* 暂无数据样式 */
/* ::v-deep .el-table__empty-text {
    display: none !important;
}
::v-deep .el-table__body {
    min-height: 0.5px;
}
::v-deep .el-table__empty-block {
    width: 100% !important;
    margin: auto;
    height: 100% !important;
    min-height: 150px !important;
    line-height: 150px !important;
    box-sizing: border-box;
    background: url('@/assets/images/nodata.png') no-repeat center;
} */
</style>