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ASP OpenAsTextStream 方法


❮ 文件对象完整参考

OpenAsTextStream 方法打开指定的文件并返回一个 TextStream 对象以访问该文件。

语法

FileObject.OpenAsTextStream(mode,format)

参数 描述
mode 可选。如何打开文件。
  • 1 = ForReading - 以只读方式打开文件。您无法写入此文件
  • 2 = ForWriting - 以写入方式打开文件
  • 8 = ForAppending - 打开文件并写入文件末尾
format 可选。文件的格式。
  • 0 = TristateFalse - 默认。以 ASCII 格式打开文件
  • -1 = TristateTrue - 以 Unicode 格式打开文件
  • -2 = TristateUseDefault - 使用系统默认值打开文件 

示例

<%
dim fs,f,ts
set fs=Server.CreateObject("Scripting.FileSystemObject")
Set f=fs.GetFile("c:\test.txt")
Set ts=f.OpenAsTextStream(ForWriting)
ts.Write("Hello World!")
ts.Close

Set ts=f.OpenAsTextStream(ForReading)
Response.Write(ts.ReadAll)
ts.Close
set ts=nothing
set f=nothing
set fs=nothing
%>

输出

Hello World!

❮ 文件对象完整参考
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