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上源码
<template>
<div>
<el-table :data="tableData" :span-method="objectSpanMethod" border style="width: 100%; margin-top: 20px" :cell-style="{background: '#FFF'}">
<el-table-column width="120" prop="t1Name" label="一级标题" align="center">
</el-table-column>
<el-table-column width="140" prop="t2Name" label="二级标题" align="center" >
</el-table-column>
<el-table-column width="140" prop="t3Name" label="三级标题" align="center">
</el-table-column>
<el-table-column width="140" prop="text" label="说明" align="center">
</el-table-column>
</el-table>
</div>
</template>
<script>
export default {
data() {
return {
spanArr1: [],
spanArr2: [],
spanArr3: [],
pos1: 0,
pos2: 0,
pos3: 0,
tableData: [{
t1Name: 'AAA',
t2Name: 'BBB',
t3Name: 'CCC',
text: '测试1',
}, {
t1Name: 'AAA',
t2Name: 'BBB',
t3Name: 'XXX',
text: '测试2',
}, {
t1Name: 'AAA',
t2Name: 'CCC',
t3Name: 'DDD',
text: '测试3',
}, {
t1Name: 'AAA',
t2Name: 'CCC',
t3Name: 'DDD',
text: '测试4',
}]
}
},
mounted() {
this.getSpanArr(this.tableData);
},
methods: {
// 合并单元格
getSpanArr(data) {
for (var i = 0; i < data.length; i++) {
if (i === 0) {
this.spanArr1.push(1);
this.spanArr2.push(1);
this.spanArr3.push(1);
this.pos1 = 0;
this.pos2 = 0;
this.pos3 = 0;
} else {
// 判断二级标题
if (data[i].t1Name === data[i - 1].t1Name) {
this.spanArr1[this.pos1] += 1;
this.spanArr1.push(0);
// 判断二级标题
if (data[i].t2Name === data[i - 1].t2Name) {
this.spanArr2[this.pos2] += 1;
this.spanArr2.push(0);
// 判断三级标题
if (data[i].t3Name === data[i - 1].t3Name) {
this.spanArr3[this.pos3] += 1;
this.spanArr3.push(0);
}else{
this.spanArr3.push(1);
this.pos3 = i
}
}else{
this.spanArr2.push(1);
this.spanArr3.push(1);
this.pos2 = i
this.pos3 = i
}
}else{
this.spanArr1.push(1);
this.spanArr2.push(1);
this.spanArr3.push(1);
this.pos1 = i
this.pos2 = i
this.pos3 = i
}
}
}
},
// 合并单元格
objectSpanMethod({
rowIndex,
columnIndex
}) {
if (columnIndex === 0) {
const _row = this.spanArr1[rowIndex];
const _col = _row > 0 ? 1 : 0;
// console.log(`rowspan:${_row} colspan:${_col}`)
return { // [0,0] 表示这一行不显示, [2,1]表示行的合并数
rowspan: _row,
colspan: _col
}
}
if (columnIndex === 1) {
const _row = this.spanArr2[rowIndex];
const _col = _row > 0 ? 1 : 0;
// console.log(`rowspan:${_row} colspan:${_col}`)
return { // [0,0] 表示这一行不显示, [2,1]表示行的合并数
rowspan: _row,
colspan: _col
}
}
if (columnIndex === 2) {
const _row = this.spanArr3[rowIndex];
const _col = _row > 0 ? 1 : 0;
// console.log(`rowspan:${_row} colspan:${_col}`)
return { // [0,0] 表示这一行不显示, [2,1]表示行的合并数
rowspan: _row,
colspan: _col
}
}
}
}
}
</script>
../../md/Vue/
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