由于每个月的天数是不一样的,因此每个月最后一天的日期也不固定的,因此本函数通过循环,判断是否出现新的月份,来确定该月的最后一日的日期.
Public Function MonLastDay(dFirst As Date) As Date
Dim dm As Date
Dim m As Integer
dm = dFirst
m = Month(dm)
Do While Month(dm) = m
dm = dm + 1
Loop
MonLastDay = dm - 1
End Function |
下面是由ACCESS中国的李啸林版主提供：
Public Function MonLastDay1(dFirst As Date) As Date
MonLastDay1 = DateAdd("d", -1, CDate(DatePart("yyyy", DateAdd("m", 1, dFirst)) & _
"-" & DatePart("m", DateAdd("m", 1, dFirst))))
End Function |
下面是由ACCESS中国的AlexLiu提供：
Public Function MonLastDay1(dFirst As Date) As Date
MonLastDay1 = DateSerial(Year(dFirst), Month(dFirst) + 1, 1) - 1
End Function |
