效果图是上面这样的，将第一列的名字一样的合并在一起；

<template><div class="table-wrap"><Table stripe :columns="columns" :data="data" :span-method="handleSpan"></Table></div>
</template><script>
import * as _ from 'lodash'
export default {components: {},props: {},watch: {},data() {return {data: [],columns: [{title: '水质净化厂',key: 'factoryName',width: 300},{title: '污泥浓度',key: 'date'},{title: '污泥处理量',key: 'date'},{title: '污泥运输量',key: 'date'},{title: '离心污泥含水率',key: 'date'},{title: '板框污泥含水率',key: 'date'},{title: '干化污泥含水率',key: 'date'},{title: '产泥率',key: 'date'}]}},computed: {},created() {this.getData()},mounted() {},methods: {getData() {for (var i = 1; i < 6; ++i) {this.data.push({factoryName: '滨河水质净化厂'})}for (var i = 1; i < 4; ++i) {this.data.push({factoryName: '洪湖水质净化厂'})}},// row: 当前行 column: 当前列 rowIndex: 当前行索引 columnIndex: 当前列索引handleSpan({ row, column, rowIndex, columnIndex }) {if (columnIndex === 0) {// 只对 type 列进行处理const rowspan = this.getRowspan(row, rowIndex)if (rowspan >= 1) {return {rowspan,colspan: 1}} else {return {rowspan: 0,colspan: 0}}}},getRowspan(row, rowIndex) {const currentFactorMainNumber = row.factoryNamelet rowspan = 1 // 默认rowspan为1，也就是每个单元格只占一行// 如果当前行不是第一行，则先查看前一行，如果前一行的值（同列单元格）与当前行（同列单元格）相同，则将当前单元格与前一行合并（当前单元格占0行，rowspan=0）if (rowIndex > 0) {const previousRow = this.data[rowIndex - 1]const previousFactorMainNumber = previousRow.factoryNameif (currentFactorMainNumber === previousFactorMainNumber) {return 0}}// 然后向查看，如果后面行（同列单元格）的值与当前行（同列单元格）相同，则每找到一行rowspan加1，直到找到与当前行（同列单元格）的值不同的行为止。（也就是说只能合并连续的行）for (let i = rowIndex + 1; i < this.data.length; i++) {const nextRow = this.data[i]const nextFactorMainNumber = nextRow.factoryNameif (currentFactorMainNumber === nextFactorMainNumber) {rowspan++} else {break}}return rowspan}}
}
</script>