html 伸缩htmlframeset rows25%,*,25%frame srcframe_a.htm /frame srcframe_b.htm /fr
html 伸缩
<html><frameset rows="25%,*,25%"> <frame src="frame_a.htm" /> <frame src="frame_b.htm" /> <frame src="frame_c.htm" /></frameset></html>
html 伸缩
<html><frameset rows="25%,*,25%"> <frame src="frame_a.htm" /> <frame src="frame_b.htm" /> <frame src="frame_c.htm" /></frameset></html>