对于asp下的不用fso，使用adodb.stream对象实现文件的保存与读取，避免一些虚拟主机不支持fso的机器。

''*************************************
''读取文件
''*************************************

Function LoadFromFile(ByVal File)
Dim objStream
Dim RText
RText = Array(0, "")
Set objStream = Server.CreateObject("ADODB.Stream")
With objStream
.Type = 2
.Mode = 3
.Open
.Charset = "utf-8"
.Position = objStream.Size
On Error Resume Next
.LoadFromFile Server.MapPath(File)
If Err Then
RText = Array(Err.Number, Err.Description)
LoadFromFile = RText
Err.Clear
Exit Function
End If
RText = Array(0, .ReadText)
.Close
End With
LoadFromFile = RText
Set objStream = Nothing
End Function

''*************************************
''保存文件
''*************************************

Function SaveToFile(ByVal strBody, ByVal File)
Dim objStream
Dim RText
RText = Array(0, "")
Set objStream = Server.CreateObject("ADODB.Stream")
With objStream
.Type = 2
.Open
.Charset = "utf-8"
.Position = objStream.Size
.WriteText = strBody
On Error Resume Next
.SaveToFile Server.MapPath(File), 2
If Err Then
RText = Array(Err.Number, Err.Description)
SaveToFile = RText
Err.Clear
Exit Function
End If
.Close
End With
RText = Array(0, "保存文件成功!")
SaveToFile = RText
Set objStream = Nothing
End Function