Sub LoopThroughFiles()
Dim MyObj As Object, MySource As Object, file As Variant
Set MySource = MyObj.GetFolder("c:\testfolder\")
For Each file In MySource.Files
If InStr(file.name, "test") > 0 Then
MsgBox "found"
Exit Sub
End If
Next file
End Sub
问题解决：
我的问题已通过以下解决方案解决，使用 Dir 特定方式（15000 个文件需要 20 秒）并使用命令检查时间戳 FileDateTime .
Private Sub CommandButton3_Click()
Dim FileExtStr As String
Dim FileFormatNum As Long
Dim xWs As Worksheet
Dim xWb As Workbook
Dim FolderName As String
Application.ScreenUpdating = False
Set xWb = Application.ThisWorkbook
DateString = Format(Now, "yyyy-mm-dd hh-mm-ss")
FolderName = xWb.Path & "\" & xWb.Name & " " & DateString
MkDir FolderName
For Each xWs In xWb.Worksheets
xWs.Copy
If Val(Application.Version) < 12 Then
FileExtStr = ".xls": FileFormatNum = -4143
Else
Select Case xWb.FileFormat
Case 51:
FileExtStr = ".xlsx": FileFormatNum = 51
Case 52:
If Application.ActiveWorkbook.HasVBProject Then
FileExtStr = ".xlsm": FileFormatNum = 52
Else
FileExtStr = ".xlsx": FileFormatNum = 51
End If
Case 56:
FileExtStr = ".xls": FileFormatNum = 56
Case Else:
FileExtStr = ".xlsb": FileFormatNum = 50
End Select
End If
xFile = FolderName & "\" & Application.ActiveWorkbook.Sheets(1).Name & FileExtStr
Application.ActiveWorkbook.SaveAs xFile, FileFormat:=FileFormatNum
Application.ActiveWorkbook.Close False
Next
MsgBox "You can find the files in " & FolderName
Application.ScreenUpdating = True
End Sub
Sub test()
Dim c As Collection
Set c = LoopThroughFiles(ThisWorkbook.Path, ".xlsx")
For Each f In c
Debug.Print f
Next
End Sub
Function LoopThroughFiles(inputDirectoryToScanForFile, filenameCriteria) As Collection
Dim col As New Collection
Dim StrFile As String
'Debug.Print "in LoopThroughFiles. inputDirectoryToScanForFile: ", inputDirectoryToScanForFile
StrFile = Dir(inputDirectoryToScanForFile & "\*" & filenameCriteria)
Do While Len(StrFile) > 0
'//Debug.Print StrFile
col.Add StrFile
StrFile = Dir
Loop
Set LoopThroughFiles = col
End Function
Private m_asFilters() As String
Private m_asFiles As Variant
Private m_lNext As Long
Private m_lMax As Long
Public Function GetFileList(ByVal ParentDir As String, Optional ByVal sSearch As String, Optional ByVal Deep As Boolean = True) As Variant
m_lNext = 0
m_lMax = 0
ReDim m_asFiles(0)
If Len(sSearch) Then
m_asFilters() = Split(sSearch, "|")
Else
ReDim m_asFilters(0)
End If
If Deep Then
Call RecursiveAddFiles(ParentDir)
Else
Call AddFiles(ParentDir)
End If
If m_lNext Then
ReDim Preserve m_asFiles(m_lNext - 1)
GetFileList = m_asFiles
End If
End Function
Private Sub RecursiveAddFiles(ByVal ParentDir As String)
Dim asDirs() As String
Dim l As Long
On Error GoTo ErrRecursiveAddFiles
'Add the files in 'this' directory!
Call AddFiles(ParentDir)
ReDim asDirs(-1 To -1)
asDirs = GetDirList(ParentDir)
For l = 0 To UBound(asDirs)
Call RecursiveAddFiles(asDirs(l))
Next l
On Error GoTo 0
Exit Sub
ErrRecursiveAddFiles:
End Sub
Private Function GetDirList(ByVal ParentDir As String) As String()
Dim sDir As String
Dim asRet() As String
Dim l As Long
Dim lMax As Long
If Right(ParentDir, 1) <> "\" Then
ParentDir = ParentDir & "\"
End If
sDir = Dir(ParentDir, vbDirectory Or vbHidden Or vbSystem)
Do While Len(sDir)
If GetAttr(ParentDir & sDir) And vbDirectory Then
If Not (sDir = "." Or sDir = "..") Then
If l >= lMax Then
lMax = lMax + 10
ReDim Preserve asRet(lMax)
End If
asRet(l) = ParentDir & sDir
l = l + 1
End If
End If
sDir = Dir
Loop
If l Then
ReDim Preserve asRet(l - 1)
GetDirList = asRet()
End If
End Function
Private Sub AddFiles(ByVal ParentDir As String)
Dim sFile As String
Dim l As Long
If Right(ParentDir, 1) <> "\" Then
ParentDir = ParentDir & "\"
End If
For l = 0 To UBound(m_asFilters)
sFile = Dir(ParentDir & "\" & m_asFilters(l), vbArchive Or vbHidden Or vbNormal Or vbReadOnly Or vbSystem)
Do While Len(sFile)
If Not (sFile = "." Or sFile = "..") Then
If m_lNext >= m_lMax Then
m_lMax = m_lMax + 100
ReDim Preserve m_asFiles(m_lMax)
End If
m_asFiles(m_lNext) = ParentDir & sFile
m_lNext = m_lNext + 1
End If
sFile = Dir
Loop
Next l
End Sub
Sub LoopThroughFiles()
Dim MyObj As Object, MySource As Object, file As Variant
file = Dir("c:\testfolder\")
While (file <> "")
If InStr(file, "test") > 0 Then
MsgBox "found " & file
Exit Sub
End If
file = Dir
Wend
End Sub
Sub LoopThroughFiles()
Dim StrFile As String
StrFile = Dir("c:\testfolder\*test*")
Do While Len(StrFile) > 0
Debug.Print StrFile
StrFile = Dir
Loop
End Sub
