HTML <frameset> 标签

<html>

<frameset cols="25%,50%,25%">

  <frame src="/example/html/frame_a.html">
  <frame src="/example/html/frame_b.html">
  <frame src="/example/html/frame_c.html">

</frameset>

</html>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>网上商城</title>
</head>
<frameset rows="73,*,47" cols="*" frameborder="NO" border="0" framespacing="0">
  <frame src="3.asp?gsid=12" name="topFrame" scrolling="NO" noresize >
  <frameset cols="80,*" frameborder="NO" border="0" framespacing="0">
    <frame src="1.asp?gsid=12" name="leftFrame" noresize>
    <frame src="fenlei1.asp?gsid=12" name="mainFrame">
  </frameset>
<frame src="4.asp?gsid=12" name="bottomFrame" scrolling="NO" noresize >
</frameset>
<noframes><body>
</body></noframes>
</html>