大于等于15号 当前日期月份就+2,小于等于14号 当前日期月份就+1
比如现在 2021-03-26 那么值应该是 2021-05如果是 2021-03-13 那么值应该是 2021-4
if(day(today())>14,format(monthdelta(today(),+2),"yyyy-MM"),format(monthdelta(today(),+1),"yyyy-MM"))
if(day(today())>14,MONTHDELTA(today(),2),MONTHDELTA(today(),1))
试试这个
if(day(today())>14 ,monthdelta(today(),2) , monthdelte(today(),1) )
参考日期处理函数
https://help.fanruan.com/finereport/doc-view-876.html?source=1