的功能,可以通过以下步骤实现:
Dim currentDate As Date = Now
Dim yearStart As Date = DateSerial(currentDate.Year, 1, 1)
Dim daysSinceYearStart As Integer = DateDiff(DateInterval.Day, yearStart, currentDate)
Dim yearToDate As Date = yearStart.AddDays(daysSinceYearStart)
完成以上步骤后,yearToDate
变量将包含年初至今的日期。
在vb.net中添加年初至今的功能的示例代码如下:
Dim currentDate As Date = Now
Dim yearStart As Date = DateSerial(currentDate.Year, 1, 1)
Dim daysSinceYearStart As Integer = DateDiff(DateInterval.Day, yearStart, currentDate)
Dim yearToDate As Date = yearStart.AddDays(daysSinceYearStart)
Console.WriteLine("年初至今的日期:" & yearToDate.ToString("yyyy-MM-dd"))
这样,你就可以在vb.net中添加年初至今的功能了。
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