asp中将相对路径转换为绝对路径的函数

'================================================
' 函数名：ChkMapPath
' 作 用：相对路径转换为绝对路径
' 参 数：strPath ----原路径
' 返回值：绝对路径
'================================================
Function ChkMapPath(ByVal strPath)
Dim fullPath
strPath = Replace(Replace(Trim(strPath), "/", "\"), "\\", "\")

If strPath = "" Then strPath = "."
If InStr(strPath,":\") = 0 Then
fullPath = Server.MapPath(strPath)
Else
strPath = Replace(strPath,"..\","")
fullPath = Trim(strPath)
If Right(fullPath, 1) = "\" Then
fullPath = Left(fullPath, Len(fullPath) - 1)
End If
End If
ChkMapPath = fullPath
End Function