JS复制文件(转)

<script type="text/javascript">
    var fso, f;
    function copyFile()
    {
        fso = new ActiveXObject("Scripting.FileSystemObject");
        f = fso.CreateTextFile("c://testfile.txt", true);
        f.WriteLine("This is a test.");
        f.Close();
        f = fso.GetFile("c://aaa//111.txt");
        f.Copy("c://bbb//111.txt");
    }
</script>