假设日期在A1单元格 在B1中输入或复制资知矿观罗成粘贴下列公式之一=IF(A1="","",慢曲罪如犯结LOOKUP(D质蒸儿象肥生走由曾ATEDIF(A1,TODA且工Y(),"Y"),{0,1,2,3,4,5},{0,8,9,10,11推北略阶尔厂块角,12}))或或=IF(DATEDIF(A1,"2015/12/31","Y")<1,0,IF(下城被谈告约则历DATEDIF(A1,"2015/12/31","Y")>5,12,DATEDIF(A1,"2015/12/31","Y")+7))下拉填充