告诉你两种判断闰年的简单方法！

　　


                  Option Explicit



Private Sub Command1_Click()

Print 2000

Print IsLeapYearA(2000)

Print IsLeapYearB(2000)

Print 1999

Print IsLeapYearA(1999)

Print IsLeapYearB(1999)

Print 1998

Print IsLeapYearA(1998)

Print IsLeapYearB(1998)

Print 1997

Print IsLeapYearA(1997)

Print IsLeapYearB(1997)

Print 1996

Print IsLeapYearA(1996)

Print IsLeapYearB(1996)

End Sub



Function IsLeapYearA(ByVal yr As Integer) As Boolean

If ((yr Mod 4) = 0) Then IsLeapYearA = ((yr Mod 100) ＞ 0) Or ((yr Mod 400) = 0)

End If

End Function



Public Function IsLeapYearB(ByVal yr As Integer) As Boolean

IsLeapYearB = Day(DateSerial(yr, 2, 29)) = 29

End Function