elementui表格自定义合并单元格根据相同值合并单元格;指定列合并;解决自定义合并后单元格样式错乱
elementui表格根据指定相同属性值合并单元格josn数据,id相同的单元格合并,前3column和后7column合并letarr=[{"op":"Susan","marketingID":"US","stockQty":208,"id":"1","labelSKU":"VPH-B0EA"},{"op":"Leon","marketingID":"IDWUS","stockQty":32,"