0

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

4

3 回答 3

1

DateTime.DaysInMonth 方法

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
于 2012-10-30T03:30:42.147 回答
0

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
于 2012-11-20T08:09:37.977 回答
-2
days = years * 365.25
years = days / 365.25
于 2012-10-29T23:05:52.993 回答