网络编程试验
<html>
<head>
<title>拒绝雾霾,绿色经济</title>
</head>
<frameset cols="20%,80%,20%" style="overflow:scroll" border="1">
<frame noresize= "noresize"src="left.html">
<frame noresize= "noresize"src="middle.html">
<frame noresize= "noresize"src="right.html">
</frameset>
</html>
评论0
最新资源