要计算日期之间的小时数,可以使用VB.net的DateTime类和TimeSpan类来实现。具体步骤如下:
Dim startDate As DateTime = DateTime.ParseExact("2022-01-01", "yyyy-MM-dd", CultureInfo.InvariantCulture)
Dim endDate As DateTime = DateTime.ParseExact("2022-01-05", "yyyy-MM-dd", CultureInfo.InvariantCulture)
Dim totalDays As Integer = endDate.Subtract(startDate).Days + 1
这里加1是因为要将起始日期和结束日期都计算在内。
Dim totalHours As Integer = totalDays * 8
Dim weekends As Integer = 0
Dim currentDay As DateTime = startDate
For i As Integer = 0 To totalDays - 1
If currentDay.DayOfWeek = DayOfWeek.Saturday OrElse currentDay.DayOfWeek = DayOfWeek.Sunday Then
weekends += 1
End If
currentDay = currentDay.AddDays(1)
Next
Dim weekendHours As Integer = weekends * 8 * 2
这里乘以2是因为周末每天都有8个小时。
Dim workHours As Integer = totalHours - weekendHours
至此,即可得到日期之间的小时数。
请注意,以上代码仅为示例,实际应用时需根据具体需求进行适当修改。
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