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使用我的代码，我必须编写一个文件名来搜索：“test.txt”。它工作正常，返回与所选路径中存在的 test.txt 一样多。

我希望它能够搜索：“txt”并获取所选路径中的所有 .txt 文件。

我的代码：

Option Explicit

Dim fso As New FileSystemObject
Dim fld As Folder

Private Sub Command1_Click()
   Dim nDirs As Long, nFiles As Long, lSize As Currency
   Dim sDir As String, sSrchString As String
   sDir = InputBox("Type the directory that you want to search for", _
                   "FileSystemObjects example", "C:\")
   sSrchString = InputBox("Type the file name that you want to search for", _
                   "FileSystemObjects example", "")
  ' MousePointer = vbHourglass
  ' Label1.Caption = "Searching " & vbCrLf & UCase(sDir) & "..."
   lSize = FindFile(sDir, sSrchString, nDirs, nFiles)
  ' MousePointer = vbDefault
   MsgBox Str(nFiles) & " files found in" & Str(nDirs) & _
          " directories", vbInformation
   MsgBox "Total Size = " & lSize & " bytes"
End Sub

Private Function FindFile(ByVal sFol As String, sFile As String, _
   nDirs As Long, nFiles As Long) As Currency
   Dim tFld As Folder, tFil As File, FileName As String

   On Error GoTo Catch
   Set fld = fso.GetFolder(sFol)
   FileName = Dir(fso.BuildPath(fld.path, sFile), vbNormal Or _
                  vbHidden Or vbSystem Or vbReadOnly)
   While Len(FileName) <> 0
      FindFile = FindFile + FileLen(fso.BuildPath(fld.path, _
      FileName))
      nFiles = nFiles + 1
   '   List1.AddItem fso.BuildPath(fld.Path, FileName)  ' Load ListBox
      FileName = Dir()  ' Get next file
      DoEvents
   Wend
  ' Label1 = "Searching " & vbCrLf & fld.Path & "..."
   nDirs = nDirs + 1
   If fld.SubFolders.Count > 0 Then
      For Each tFld In fld.SubFolders
         DoEvents
         FindFile = FindFile + FindFile(tFld.Path, sFile, nDirs, nFiles)
      Next
   End If
   Exit Function
Catch:  FileName = ""
       Resume Next
End Function

和一个提示，我发现了类似的东西：

For Each file In files
                    If Right(file, 3) = "pdf" Then
                        myMailItem.Attachments.Add CStr(file)
                        found = True
                    End If

但我无法让它在我的代码中工作。

谢谢！

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