=IF(A1="","",IF(B1="",TEXT(IF(B1>0,NOW(),""),"yyyy-m-d h:m"),B1)) =IF(A1="","",IF(B1="",TEXT(IF(B1>0,NOW(),""),"yyyy-m-d h:m"),B1))

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/21 08:33:25

=IF(A1="","",IF(B1="",TEXT(IF(B1>0,NOW(),""),"yyyy-m-d h:m"),B1))
=IF(A1="","",IF(B1="",TEXT(IF(B1>0,NOW(),""),"yyyy-m-d h:m"),B1))

如果A1为空,择本格也为空,如果A1不空,B1空且当B1>1时显示当前时间,当B1