ElementUI 表格合并单元格
### 文章目录
- [ElementUI 表格合并单元格](#文章目录 ElementUI 表格合并单元格 @TOC 一、表头合并 二、单元格合并 1、示例代码 2、示例效果)
- [@[TOC](文章目录)](#文章目录 ElementUI 表格合并单元格 @TOC 一、表头合并 二、单元格合并 1、示例代码 2、示例效果)
- [一、表头合并](#文章目录 ElementUI 表格合并单元格 @TOC 一、表头合并 二、单元格合并 1、示例代码 2、示例效果)
- [二、单元格合并](#文章目录 ElementUI 表格合并单元格 @TOC 一、表头合并 二、单元格合并 1、示例代码 2、示例效果)
- [1、示例代码](#文章目录 ElementUI 表格合并单元格 @TOC 一、表头合并 二、单元格合并 1、示例代码 2、示例效果)
- [2、示例效果](#文章目录 ElementUI 表格合并单元格 @TOC 一、表头合并 二、单元格合并 1、示例代码 2、示例效果)
一、表头合并
参考: https://www.jianshu.com/p/2befeb356a31
二、单元格合并
1、示例代码
bash
<template>
<div>
<el-table
size="small"
border
class="custom-tab"
:data="tableBody"
:span-method="objectMergeMethod"
:cell-style="columnStyle"
:row-class-name="rowStyle"
:header-cell-style="{
background: '#87CEFA',
color: '#38434F',
fontWeight: '500',
fontSize: '14px',
}"
>
<!-- <el-table-column type="index" label="序号" width="58" align="center"></el-table-column> -->
<el-table-column prop="type" label="姓名" align="center" width="140px"></el-table-column>
<el-table-column prop="name" label="科目" align="center"></el-table-column>
<el-table-column prop="sysData" label="成绩" align="center"></el-table-column>
<el-table-column prop="contractData" label="排名" align="center"></el-table-column>
</el-table>
</div>
</template>
<script>
export default {
props: {
DiffData: {},
isShowOpr: {
default: false
},
},
data() {
return {
// 表体数据
tableBody: [
{
type: "小明",
name: "语文",
sysData: 10,
contractData: "1",
isDiff: "是",
fhsj: "",
},
{
type: "小明",
name: "数学",
sysData: 20,
contractData: "2",
isDiff: "是"
},
{
type: "小明",
name: "英语",
sysData: 30,
contractData: "1",
isDiff: "是"
},
{
type: "小明",
name: "地理",
sysData: 30,
contractData: "1",
isDiff: "是"
},
{
type: "小明",
name: "生物",
sysData: 30,
contractData: "1",
isDiff: "是"
},
{
type: "小李",
name: "语文",
sysData: 88,
contractData: "1",
isDiff: "是"
},
{
type: "小李",
name: "数学",
sysData: 44,
contractData: "1",
isDiff: "是"
},
{
type: "小李",
name: "英语",
sysData: 44,
contractData: "1",
isDiff: "是"
},
{
type: "小李",
name: "历史",
sysData: 44,
contractData: "1",
isDiff: "是"
},
{
type: "小李",
name: "生物",
sysData: 44,
contractData: "1",
isDiff: "是"
},
{
type: "小王",
name: "语文",
sysData: 1001,
contractData: "1",
isDiff: "是"
},
{
type: "小王",
name: "数学",
sysData: 1001,
contractData: "1",
isDiff: "是"
},
{
type: "小王",
name: "英语",
sysData: 1001,
contractData: "1",
isDiff: "是"
},
{
type: "小王",
name: "地理",
sysData: 1001,
contractData: "1",
isDiff: "是"
},
{
type: "小王",
name: "生物",
sysData: 1001,
contractData: "1",
isDiff: "是"
},
],
cellList: [], // 单元格数组
count: null, // 计数
};
},
watch: {
tableBody: {
immediate: true,
deep: true,
handler() {
this.computedColumns(this.tableBody)
},
},
},
// mounted() {
// // 第1步,根据表体信息,计算合并单元格的信息
// this.computedColumns(this.DiffData);
// },
methods: {
columnStyle({row, column, rowIndex, columnIndex}) {
if(columnIndex === 0) {
// 表头样式
// return "background: #F5F6FA; color: #171A23; font-weight: 500; font-size: 14px; ";
if(row.type == '小明') {
return 'row-m1'
} else if(row.type == '小李') {
return 'row-m2'
} else if(row.type == '小王') {
return 'row-m3'
} else if(row.type == 'xxx') {
return 'row-m4'
}
}
},
rowStyle({ row, rowIndex }) {
if(row.type == '小明') {
return 'row-m1'
} else if(row.type == '小李') {
return 'row-m2'
} else if(row.type == '小王') {
return 'row-m3'
} else if(row.type == 'xxx') {
return 'row-m4'
}
// 指定行或列信息样式
// if(rowIndex === 7) {
// return 'target-row'
// }
},
// 第1步,遍历表格数据
computedColumns(tableBody) {
// 循环遍历表体数据
for (let i = 0; i < tableBody.length; i++) {
if (i == 0) {
// 先设置第一项,往 cellList 中追加 1, 若下一项与当前项相同,则往 cellList中追加 0
// count 初始值为 0
this.cellList.push(1);
this.count = 0;
// console.log("索引", 0, this.count);
} else {
// 判断当前项与上一项的类别(type)是否相同,若相同则合并这一列的单元格
if (tableBody[i].type == tableBody[i - 1].type) {
// 如果相同, this.cellList 增加计数 1 ,并向数组追加数据 0
this.cellList[this.count] += 1;
this.cellList.push(0);
// console.log("索引", this.count);
} else {
// 如果不同,往cellList数组中追加 1,并将索引赋值给 count
this.cellList.push(1);
this.count = i;
// console.log("索引", this.count);
}
}
}
},
// 第2步,将计算好的结果返回给el-table,表格会根据结果做出对应合并列渲染
objectMergeMethod({ row, column, rowIndex, columnIndex }) {
// 给第一列做单元格合并。0 是第一列,1 是第二列。
if (columnIndex === 0) {
const rowCell = this.cellList[rowIndex];
if (rowCell > 0) {
const colCell = 1;
return {
rowspan: rowCell,
colspan: colCell,
};
} else {
// 清除所有单元格数据,防止动态数据出现表格偏移现象
return {
rowspan: 0,
colspan: 0,
};
}
}
},
},
};
</script>
<style lang="scss" scoped>
.vueWrap {
.custom-tab {
margin: 0 0 20px 0;
}
}
.data-box {
display: flex;
align-items: center;
justify-content: center;
.icon {
height: 7px;
width: 7px;
background-color: '#333';
margin: 0 2px 0 0;
}
}
::v-deep .el-table--enable-row-transition .el-table__body td.el-table__cell {
}
::v-deep .target-row {
color: #3363FF;
font-weight: 500;
}
::v-deep .row-m1 {
background-color: #BBFFFF;
color: #333;
}
::v-deep .row-m2 {
background-color: #FFF8DC;
color: #333;
}
::v-deep .row-m3 {
background-color: #F0FFF0;
color: #333;
}
::v-deep .row-m4 {
background-color: #E0EEE0;
color: #333;
}
.update-btn {
color: #4597EB;
cursor: pointer;
}
</style>