set fso=server.createobject("scripting.filesystemobject") 建立filesystemobject对象
filepath=server.mappath("a.txt") ’文档的路径
const forappending=8 '定义函数
set f=fso.opentextfile(filepath,forappending) ’打开文档
set f=fso.createtextfile(filepath) ‘或建立一个新文档
f.write s '将变量s写入文件
Const ForReading = 1 '定义。因为forreadinging不是vbscript内定的常数
Dim FileName
FileName = "Book.txt" ’文本文件
' 添加来宾留言
Sub AppendMessage(strMessage)
Dim objFSO, strFileName, objInStream, strAllMessage, objOutStream
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
strFileName = Server.MapPath(BookFileName)
If Not objFSO.FileExists(strFileName) Then
' 如果文件不存在建立此文件
Set objInStream = objFSO.CreateTextFile(strFileName, True, False)
objInStream.Write " "
objInStream.Close
Set objInStream = Nothing
End If
' 打开文本文件读取文件所有的内容
Set objInStream= objFSO.OpenTextFile(strFileName, ForReading, False, False)
strAllMessage = objinStream.ReadAll
Set objinStream = Nothing
' 将信息写回文件
strAllMessage = strMessage & strAllMessage
' 写入文本文件
Set objOutStream = objFSO.CreateTextFile(strFileName, True, False)
objOutStream.WriteLine(strAllMessage)
objOutStream.Close
Set objOutStream = Nothing
Set objFSO = Nothing
End Sub
' 显示文本信息
Function ShowMessages()
Dim objFSO, strFileName, objInStream, strAllMessage
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
strFileName = Server.MapPath(BookFileName)
If Not objFSO.FileExists(strFileName) Then
' 如果文件不存在,则建立此文件
Set objInStream = objFSO.CreateTextFile(strFileName, True, False)
objInStream.Write " "
objInStream.Close
Set objInStream = Nothing
End If
' 打开文本文件读取文件全部的内容
Set objInStream= objFSO.OpenTextFile(strFileName, ForReading, False, False)
strAllMessage = objInStream.ReadAll
objInStream.Close
Set objOutStream = Nothing
Set objFSO = Nothing
ShowMessages = strAllMessage
End Function
Sub CreateFile()
Dim fso, tf
Set fso = CreateObject("Scripting.FileSystemObject")
Set tf = fso.CreateTextFile("c:\testfile.txt", True)
' 写一行,并且带有新行字符。
tf.WriteLine("Testing 1, 2, 3.")
' 向文件写三个新行字符。
tf.WriteBlankLines(3)
' 写一行。
tf.Write ("This is a test.")
tf.Close
End Sub