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从字符串中分离文件路径,文件名及其扩展名
作者:武汉SEO闵涛  文章来源:敏韬网  点击数857  更新时间:2009/4/23 14:58:31  文章录入:mintao  责任编辑:mintao
此函数从字符串中分离出路径
Function ParsePath (sPathIn As String) As String
 Dim I As Integer
 For I = Len(sPathIn) To 1 Step -1
  If InStr(":\", Mid$(sPathIn, I, 1)) Then Exit For
 Next
 ParsePath = Left$(sPathIn, I)
End Function
此函数从字符串中分离出文件名
Function ParseFileName (sFileIn As String) As String
 Dim I As Integer
 For I = Len(sFileIn) To 1 Step -1
  If InStr("\", Mid$(sFileIn, I, 1)) Then Exit For
 Next
 ParseFileName = Mid$(sFileIn, I + 1, Len(sFileIn) - I)
End Function
此函数从字符串中分离出文件扩展名
Function GetFileExt (sFileName As String) As String
 Dim P As Integer
 For P = Len(sFileName) To 1 Step -1
  If InStr(".", Mid$(sFileName, P, 1)) Then Exit For
 Next
 GetFileExt = Right$(sFileName, Len(sFileName) - P)
End Function

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