垂直框架
<frameset cols="25%,50%,25%"> <frame src="/example/html/frame_a.html" width="" height="">
<iframe src="" frameborder="0">
<iframe src="/example/html/demo_iframe.html" name="iframe_a"></iframe> <iframe src="" name="iframe_a"></a>
水平框架
<frameset rows="25%,50%,25%"> <frame src="/example/html/frame_a.html">
