=TEXT(DATE(RIGHT(LEFT(B2,FIND(" ",B2)-1),4),LEFT(B2,FIND("/",B2)-1),MID(LEFT(B2,FIND(" ",B2)-6),FIND("/",B2)+1,2))+MID(B2,FIND(" ",B2)+1,11)-(DATE(RIGHT(LEFT(A2,FIND(" ",A2)-1),4),LEFT(A2,FIND("/",A2)-1),MID(LEFT(A2,FIND(" ",A2)-6),FIND("/",A2)+1,2))+MID(A2,FIND(" ",A2)+1,11)),"d天h小时m分s秒")
C2=B2-A2,后点单元格格式-数字-选时间
要不要小数?