G2输入公式:=MINUTE("8:00"-TIME(HOUR(d2),MINUTE(d2),0))下拉复制公式
在G2输入公式=IF(HOUR(D2)<8,"",MINUTE(TIME(HOUR(D2),MINUTE(D2),0)-"8:00"))然后下拉公式
G2输入=if(hour(D2)*60+minute(D2)<=8*60, "未迟到", hour(D2)*60+minute(D2)-8*60)