【转】检测文件或文件夹是否存在的两个函数
时 间:2014-01-28 08:45:47
作 者:Allen Browne ID:43 城市:江阴
摘 要:检测文件或文件夹是否存在的两个函数
正 文:
Function FileExists(ByVal strFile As String, Optional bFindFolders As Boolean) As Boolean 'Purpose: Return True if the file exists, even if it is hidden. 'Arguments: strFile: File name to look for. Current directory searched if no path included. ' bFindFolders. If strFile is a folder, FileExists() returns False unless this argument is True. 'Note: Does not look inside subdirectories for the file. 'Author: Allen Browne. http://allenbrowne.com June, 2006. Dim lngAttributes As Long 'Include read-only files, hidden files, system files. lngAttributes = (vbReadOnly or vbHidden or vbSystem) If bFindFolders Then lngAttributes = (lngAttributes or vbDirectory) 'Include folders as well. Else 'Strip any trailing slash, so Dir does not look inside the folder. Do While Right$(strFile, 1) = "\" strFile = Left$(strFile, Len(strFile) - 1) Loop End If 'If Dir() returns something, the file exists. On Error Resume Next FileExists = (Len(Dir(strFile, lngAttributes)) > 0) End Function Function FolderExists(strPath As String) As Boolean On Error Resume Next FolderExists = ((GetAttr(strPath) And vbDirectory) = vbDirectory) End Function
调用示例:
MsgBox FileExists("Y:\供应商附件\测试.txt")
MsgBox FolderExists("Y:\供应商附件")
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