<form method='post' action='save.asp'>
<input type="text" name="ct"/><input type='submit' value='提交'/>
</form>

------解决方案--------------------
VBScript code
<%
dim filesys, filetxt
Const ForReading = 1, ForWriting = 2, ForAppending = 8 
Set filesys = CreateObject("Scripting.FileSystemObject")
Set filetxt = filesys.OpenTextFile("somefile.txt", ForAppending, True) 
filetxt.WriteLine("Your text goes here.")
filetxt.Close 
%>

------解决方案--------------------
参考#2的。是追加内容的，1#是重写原文件