Question

我有以下VB.NET代码：

Dim Date1 As New DateTime(2010,5,6)
Dim Date2 As New DateTime(2009,10,12)
Dim NumOfMonths = 0 ' This is where I am stumped

我想要做的是找出两个日期之间有多少个月。任何帮助将不胜感激。

Answer 1

以下是您可以使用的方法：

Public Shared Function MonthDifference(ByVal first As DateTime, ByVal second As DateTime) As Integer
    Return Math.Abs((first.Month - second.Month) + 12 * (first.Year - second.Year))
End Function

像这样：

Dim Date1 As New DateTime(2010,5,6)
Dim Date2 As New DateTime(2009,10,12)
Dim NumOfMonths = MonthDifference(Date1, Date2)

Answer 2

这也应该有效：

Dim Date1 As New DateTime(2010, 5, 6)
Dim Date2 As New DateTime(2009, 10, 12)
Dim timeDifference As TimeSpan = Date1 - Date2
Dim resultDate As DateTime = DateTime.MinValue + timeDifference
Dim monthDifference As Int32 = resultDate.Month - 1

但我认为DateDiff版本是最简单的（并且来自MS建议）。这是一个有趣的博客：http://blogs.msdn.com/b/vbfaq/archive/2004/05/30/144571.aspx

计算2个日期之间的月数

2 个答案: