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在脚本中使用正确的日期和时间戳

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在脚本中使用正确的日期和时间戳

在我使用的脚本中

Sub Saveaspdfandsend()
Dim xSht As Worksheet
Dim xFileDlg As FileDialog
Dim xFolder As String
Dim xYesorNo As Integer
Dim xOutlookObj As Object
Dim xEmailObj As Object
Dim xUsedRng As Range

Set xSht = ActiveSheet
Set xFileDlg = Application.FileDialog(msoFileDialogFolderPicker)

If xFileDlg.Show = True Then
   xFolder = xFileDlg.SelectedItems(1)
Else
   MsgBox "You must specify a folder to save the PDF into." & vbCrLf & vbCrLf & "Press OK to exit this macro.", vbCritical, "Must Specify Destination Folder"
   Exit Sub
End If
xFolder = xFolder + "\" + xSht.Name + Format(Now, " yyyy-mm-dd hmmAM/PM") + ".pdf"

'Check if file already exist
If Len(Dir(xFolder)) > 0 Then
    xYesorNo = MsgBox(xFolder & " already exists." & vbCrLf & vbCrLf & "Do you want to overwrite it?", _
                      vbYesNo + vbQuestion, "File Exists")
    On Error Resume Next
    If xYesorNo = vbYes Then
        Kill xFolder
    Else
        MsgBox "if you don't overwrite the existing PDF, I can't continue." _
                    & vbCrLf & vbCrLf & "Press OK to exit this macro.", vbCritical, "Exiting Macro"
        Exit Sub
    End If
    If Err.Number <> 0 Then
        MsgBox "Unable to delete existing file.  Please make sure the file is not open or write protected." _
                    & vbCrLf & vbCrLf & "Press OK to exit this macro.", vbCritical, "Unable to Delete File"
        Exit Sub
    End If
End If

Set xUsedRng = xSht.UsedRange
If Application.WorksheetFunction.CountA(xUsedRng.Cells) <> 0 Then
    'Save as PDF file
    xSht.ExportAsFixedFormat Type:=xlTypePDF, Filename:=xFolder, Quality:=xlQualityStandard

    'Create Outlook email
    Set xOutlookObj = CreateObject("Outlook.Application")
    Set xEmailObj = xOutlookObj.CreateItem(0)
    With xEmailObj
        .Display
        .To = ""
        .CC = "[email protected]"
        .Subject = xSht.Name + ".pdf"
        .Attachments.Add xFolder
        If DisplayEmail = False Then
            '.Send
        End If
    End With
Else
  MsgBox "The active worksheet cannot be blank"
  Exit Sub
End If
End Sub

将显示 2018 04 06 245PM。我尝试在 h 和 mm 之间放置 :，但运行脚本时出现错误。我可以使用空格或 .，但不能使用 :，这不可能吗？

答案1

在 Windows 中，文件名不能包含字符:。这就是当您尝试保存文件时出现运行时错误的原因。

您还应该使用 24 小时格式，而不是 AM/PM：hhmm对我来说似乎更安全。

查看格式函数（Visual Basic 应用程序）了解更多信息。

答案2

为了获得正确的日期和时间戳，您的 VB 命令行应该是，

Format(now(), "yyyy-MM-dd hh:mm:ss")

或者

Format(DateTime.Now, "yyyy-MM-dd hh:mm:ss")

注意：DateTime.Now返回日期类型的值。日期变量根据系统上设置的短日期和时间格式显示日期。

要显示 AM/PM，请将格式字符串更改为：

Format(TimeValue(Now), 'hh:mm AM/PM')

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