代码如下: 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> new document </title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="generator" content="editplus" />
<meta name="author" content="" />
<meta name="keywords" content="" />
<meta name="description" content="" />
</head>
<body>
<script language="javascript" type="text/javascript">
//<![CDATA[
alert('对不起，你没有权限访问此页面！');
window.opener = null;
window.open('', '_self');
window.close();
//]]>
</script>
</body>
</html>


[Ctrl+A 全选 提示:你可先修改部分代码,再点运行代码]