将年和月转换为天。首先转换回年和月,现在要转换回天。代码如下所示
if len >366
len1 = cstr (math.floor(len/365))
len = len mod 365
len1 = len * 365
提前致谢
将年和月转换为天。首先转换回年和月,现在要转换回天。代码如下所示
if len >366
len1 = cstr (math.floor(len/365))
len = len mod 365
len1 = len * 365
提前致谢
Dim July as integer = 7
' daysInJuly gets 31.
Dim daysInJuly as integer = System.DateTime.DaysInMonth(2001, July);
然后得到一年中的天数:
Private Function GetDaysInAYear(year As Integer) As Integer
Dim days As Integer = 0
Dim i As Integer = 1
While i <= 13
days += DateTime.DaysInMonth(year, i)
i++
End While
Return days
End Function
要获得一年中的天数,您只需执行以下操作:
Dim year As Integer = 2012 ' Set year here
Dim totalDaysInYear As Integer = New Date(year, 12, 31).Subtract(New Date(year, 1, 1)).Days
或者:(容易理解)
Dim year As Integer = 2012 ' Set year here
Dim d1 As New Date(year, 1, 1)
Dim d2 As New Date(year, 12, 31)
Dim totalDaysInYear As Integer = d2.Subtract(d1).Days
获取月份中的天数:
Dim year As Integer = 2012
Dim DaysInMonth As Integer = Date.DaysInMonth(year, 11) ' Evaluates Nov 2012
days = years * 365.25
years = days / 365.25