<head>
<meta http-equiv="refresh" content="0;url=./exam" />
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>PPFRAME ?÷?</title>
<style>
body{font-size:14px}
.STYLE1 {
        font-size: 24px;
        font-weight: bold;
}
</style>
</head>


第二行为 打开页面后自动跳转的哪里