在这里插入代码片
<template>
<div class="hello">
<el-table :data="tableData" :span-method="objectSpanMethod" border style="width: 100%; margin-top: 20px">
<el-table-column prop="id" label="ID" width="180">
</el-table-column>
<el-table-column prop="name" label="类型">
</el-table-column>
<el-table-column prop="amount1" label="数值 1（元）">
</el-table-column>
<el-table-column prop="amount2" label="数值 2（元）">
</el-table-column>
</el-table>
</div>
</template>
<script>
import echarts from "@/utils/initEcharts";
export default {
name: "HelloWorld",
props: {
msg: String
},
data() {
return {
spanArr:[],
tableData: [{
id: 1,
name: java,
amount1: 234,
amount2: 3.2,
amount3: 10
}, {
id: 1,
name: java,
amount1: 165,
amount2: 4.43,
amount3: 12
}, {
id: 2,
name: java,
amount1: 324,
amount2: 1.9,
amount3: 9
}, {
id: 2,
name: C++,
amount1: 621,
amount2: 2.2,
amount3: 17
}, {
id: 2,
name: javaScript,
amount1: 539,
amount2: 4.1,
amount3: 15
}],
};
},
created() {
},
mounted() {
this.getSpanArr(this.tableData);
},
methods: {
getSpanArr(data) {
for (var i = 0; i < data.length; i++) {
if (i === 0) {
this.spanArr.push(1);
this.pos = 0
} else {
// 判断当前元素与上一个元素是否相同
if (data[i].id === data[i - 1].id) {
this.spanArr[this.pos] += 1;
this.spanArr.push(0);
} else {
this.spanArr.push(1);
this.pos = i;
}
}
console.log(this.spanArr)
}
},
objectSpanMethod({
row, column, rowIndex, columnIndex }) {
if (columnIndex === 0 || columnIndex === 1 || columnIndex === 2) {
const _row = this.spanArr[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>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
</style>
