<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>框架集</title>
</head>
<frameset rows="20%,*">
<frame src="hy.html"></frame>
<frameset cols="30%,*">
<frame src="zuo.html"></frame>
<frame name="wind2"></frame>
</frameset>
</frameset>
</html>
frameset 分两块frame2个，frameset接着分割
rows横着割，cols竖着割
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>zuo</title>
</head>
<body>
<center>
<a href="sjx.html" target="wind2">收件箱</a><br>
<a href="fjx.html" target="wind2">发件箱</a><br>
<a href="cgx.html" target="wind2">草稿箱</a>
</center>
</body>
</html>