VBA Excel的日期格式有问题
我有一个Excel工具,可以将当前时间和日期转换为UTC时间,然后将该时间和日期保存在数据库中(这也是一个Excel文件)。问题是,例如,当墨西哥有人试图使用此工具时,日期的格式不同(DD-MM-YY而不是MM-DD-YY),并且在数据库中的保存不正确。以下是将当前时间和日期转换为UTC的代码:VBA Excel的日期格式有问题,vba,excel,date,format,Vba,Excel,Date,Format,我有一个Excel工具,可以将当前时间和日期转换为UTC时间,然后将该时间和日期保存在数据库中(这也是一个Excel文件)。问题是,例如,当墨西哥有人试图使用此工具时,日期的格式不同(DD-MM-YY而不是MM-DD-YY),并且在数据库中的保存不正确。以下是将当前时间和日期转换为UTC的代码: Option Explicit Public Declare Function SystemTimeToFileTime Lib _ "kernel32" (lpSystemTime As SYS
Option Explicit
Public Declare Function SystemTimeToFileTime Lib _
"kernel32" (lpSystemTime As SYSTEMTIME, _
lpFileTime As FILETIME) As Long
Public Declare Function LocalFileTimeToFileTime Lib _
"kernel32" (lpLocalFileTime As FILETIME, _
lpFileTime As FILETIME) As Long
Public Declare Function FileTimeToSystemTime Lib _
"kernel32" (lpFileTime As FILETIME, lpSystemTime _
As SYSTEMTIME) As Long
Public Type FILETIME
dwLowDateTime As Long
dwHighDateTime As Long
End Type
Public Type SYSTEMTIME
wYear As Integer
wMonth As Integer
wDayOfWeek As Integer
wDay As Integer
wHour As Integer
wMinute As Integer
wSecond As Integer
wMilliseconds As Integer
End Type
Public Function LocalTimeToUTC(dteTime As Date) As Date
Dim dteLocalFileTime As FILETIME
Dim dteFileTime As FILETIME
Dim dteLocalSystemTime As SYSTEMTIME
Dim dteSystemTime As SYSTEMTIME
dteLocalSystemTime.wYear = CInt(Year(dteTime))
dteLocalSystemTime.wMonth = CInt(Month(dteTime))
dteLocalSystemTime.wDay = CInt(Day(dteTime))
dteLocalSystemTime.wHour = CInt(Hour(dteTime))
dteLocalSystemTime.wMinute = CInt(Minute(dteTime))
dteLocalSystemTime.wSecond = CInt(Second(dteTime))
Call SystemTimeToFileTime(dteLocalSystemTime, _
dteLocalFileTime)
Call LocalFileTimeToFileTime(dteLocalFileTime, _
dteFileTime)
Call FileTimeToSystemTime(dteFileTime, dteSystemTime)
LocalTimeToUTC = CDate(dteSystemTime.wMonth & "/" & _
dteSystemTime.wDay & "/" & _
dteSystemTime.wYear & " " & _
dteSystemTime.wHour & ":" & _
dteSystemTime.wMinute & ":" & _
dteSystemTime.wSecond)
End Function
然后这里是写入日期和时间的公式:localtimetoutc(NOW())
然后我只需将此单元格的值保存到VBA中的变量(变量变量)中,然后将该变量的值粘贴到数据库中。它非常适合美国用户,但有时也不适合非美国用户。我怎样才能确保它不会失败?也就是说,如何强制VBA使用所需的格式
关于,请尝试:
Public Function LocalTimeToUTC(dteTime As Date) As Date
Dim dteLocalFileTime As FILETIME
Dim dteFileTime As FILETIME
Dim dteLocalSystemTime As SYSTEMTIME
Dim dteSystemTime As SYSTEMTIME
dteLocalSystemTime.wYear = CInt(Year(dteTime))
dteLocalSystemTime.wMonth = CInt(Month(dteTime))
dteLocalSystemTime.wDay = CInt(Day(dteTime))
dteLocalSystemTime.wHour = CInt(Hour(dteTime))
dteLocalSystemTime.wMinute = CInt(Minute(dteTime))
dteLocalSystemTime.wSecond = CInt(Second(dteTime))
Call SystemTimeToFileTime(dteLocalSystemTime, _
dteLocalFileTime)
Call LocalFileTimeToFileTime(dteLocalFileTime, _
dteFileTime)
Call FileTimeToSystemTime(dteFileTime, dteSystemTime)
LocalTimeToUTC = DateSerial(dteSystemTime.wYear, dteSystemTime.wMonth, dteSystemTime.wDay) + TimeSerial(dteSystemTime.wHour, dteSystemTime.wMinute, dteSystemTime.wSecond)
End Function
这不是一个完整的解决方案,但您可以检查“MM”的值,如果它超过12,那么您就知道它们是MM/DD/YYYY,因为没有第13、14个月等。不幸的是,这不会捕获所有内容……也许您可以检查环境变量并查看。可能有帮助。不要使用
CDate
而是使用DateSerial(年、月、日)+TimeSerial(小时、分钟、秒)
。这样,无论哪个地区,它都不会误解日期和时间结果。然后您可以按自己的意愿格式化单元格。@tigeravatar然后我应该替换该行代码的LocalTimeToUTC=CDate(…wssecond)
?是的,这是正确的,使用您的变量名称表示年份、月份、,etc@tigeravatar你能核对一下我刚才加上你的建议的答案吗?还有,在参考了你的原文之后,变量不应该来自dteSystemTime
而不是dteLocalSystemTime
?好的,我会解决这个问题。我测试了它,它对我来说很好,但我仍然需要墨西哥的人来测试它,这可能需要一段时间。。。我在加拿大,我的电脑系统时钟设置为YYMMDD,我会成为一只合适的豚鼠吗?是的,会的,如果你能帮我这个忙,那就太好了。