:span-method="objectSpanMethod"
mergeLineMethod (){//处理合并表格数据
let mergeLine=this.tableData
mergeLine.forEach((res,i) => {
if (i === 0) {
this.mergeLineArr.push(1);
this.mergeLineIndex= 0
} else {
// 判断当前元素与上一个元素是否相同,是就给之前相同的第一个+1,并且数组添加一个0
if (mergeLine[i].type_id === mergeLine[i - 1].type_id) {
this.mergeLineArr[this.mergeLineIndex] += 1;
this.mergeLineArr.push(0);
} else {//如果与前一个不相同,则追加一个新从1开始的数字,此时更新mergeLineIndex的值
this.mergeLineArr.push(1);
this.mergeLineIndex= i;
}
}
});
console.log(this.mergeLineArr,this.mergeLineIndex)
},
objectSpanMethod ({ row, column, rowIndex, columnIndex }){//合并表格
if (columnIndex === 0 || columnIndex === 1) {
const _row = this.mergeLineArr[rowIndex];
const _col = _row > 0 ? 1 : 0;
return {
rowspan: _row,
colspan: _col
}
}
}
文章参考:https://blog.csdn.net/qq_29468573/article/details/80742646