取得某个目录下所有文件大小的总和
Private Sub Command1_Click()Dim tot As Long
tot = GetDirTotalByte("c:\tools\")
Debug.Print tot
End Sub
Private Function GetDirTotalByte(CurrentPath As String, Optional i As Long) As Long
Static totbyte As Long
Dim nI As Integer, nDirectory As Integer
Dim sFileName As String, sDirectoryList() As String
'Initial totbyte, if it is not the Recursive call the function
If i <> 1 Then
totbyte = 0
End If
'First list all normal files in this directory
sFileName = Dir(CurrentPath, vbNormal + vbHidden + vbReadOnly + vbSystem + vbArchive)
Do While sFileName <> ""
totbyte = totbyte + FileLen(CurrentPath + sFileName)
sFileName = Dir
Loop
'Next build temporary list of subdirectories
sFileName = Dir(CurrentPath, vbDirectory)
Do While sFileName <> ""
'Ignore current and parent directories
If sFileName <> "." And sFileName <> ".." Then
'Ignore nondirectories
If GetAttr(CurrentPath & sFileName) _
And vbDirectory Then
nDirectory = nDirectory + 1
ReDim Preserve sDirectoryList(nDirectory)
sDirectoryList(nDirectory) = CurrentPath & sFileName
End If
End If
sFileName = Dir
Loop
'Recursively process each directory
For nI = 1 To nDirectory
GetDirTotalByte sDirectoryList(nI) & "\", 1
Next nI
GetDirTotalByte = totbyte
End Function
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