能加一张效果图吗?是要yes和false一起显示吗?还是说A1空了就不用取比较了?
方案一:if(len(A1)==0,"YES","NO")+","+if(len(A1)==0,"YES",IF(A1=B1,TRUE,FALSE))
方案二:if(len(A1)==0,"YES",IF(A1=B1,TRUE,FALSE))