x
1
<html>2
<frameset cols="25%,50%,25%">3
<frame src="/examples/frame_a.htm">4
<frame src="/examples/frame_b.htm">5
<frame src="/examples/frame_c.htm">6
<noframes>对不起，您的浏览器不支持框架！</noframes>7
</frameset>8
</html>9
<html><frameset cols="25%,50%,25%"> <frame src="/examples/frame_a.htm"> <frame src="/examples/frame_b.htm"> <frame src="/examples/frame_c.htm"> <noframes>对不起，您的浏览器不支持框架！</noframes></frameset></html>