这是我的后台，用<li
nk rel='stylesheet' type='text/css' href='../Public/css/ht.css'>为何进入不了CSS文件
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>后台管理系统</title>
<link rel='stylesheet' type='text/css' href='../Public/css/ht.css'>
</head>
<frameset rows="80,*" cols="*" framespacing="15" frameborder="yes" border="15" bordercolor="#999999">
<frame src="__URL__/top" name="top" scrolling="No" noresize="noresize" id="topframe" title="topframe" />
<frameset rows="*" cols="180,*" framespacing="15" frameborder="yes" border="15" bordercolor="#999999">
<frame src="__URL__/left" name="left" scrolling="No" noresize="noresize" id="leftframe" title="leftframe" />
<frame src="__URL__/main" name="main" id="mainframe" title="mainframe" />
</frameset>
</frameset>
<noframes><body>
</body></noframes>
</html>
