<html> <head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>視頻會議後臺管理_深圳視高科技有限公司</title>
<head> </head>
<frameset rows="130,*,40" frameborder="no" border="0" framespacing="0">
<frame src="top.html" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" />
<frame src="center.html" name="mainFrame" id="mainFrame" />
<frame src="bottom.html" name="bottomFrame" scrolling="No" noresize="noresize" id="bottomFrame" />
</frameset>
<noframes>
<body></body>
</noframes>
</html> 改過的代碼
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>視頻會議後臺管理_深圳視高科技有限公司</title>
<head> </head>
<frameset cols="*,1024,*" frameborder="no" border="0" framespacing="0">
<frame src="about:blank">
</frame>
<frameset rows="130,*,40" frameborder="no" border="0" framespacing="0">
<frame src="top.html" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" />
<frame src="center.html" name="mainFrame" id="mainFrame" />
<frame src="bottom.html" name="bottomFrame" scrolling="No" noresize="noresize" id="bottomFrame" />
</frameset>
<frame src="about:blank"></frame>
</frameset>
<noframes>
<body></body>
</noframes>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>視頻會議後臺管理_深圳視高科技有限公司</title>
<head> </head>
<frameset cols="*,1024,*" frameborder="no" border="0" framespacing="0">
<frame src="about:blank">
</frame>
<frameset rows="130,*,40" frameborder="no" border="0" framespacing="0">
<frame src="top.html" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" />
<frame src="center.html" name="mainFrame" id="mainFrame" />
<frame src="bottom.html" name="bottomFrame" scrolling="No" noresize="noresize" id="bottomFrame" />
</frameset>
<frame src="about:blank"></frame>
</frameset>
<noframes>
<body></body>
</noframes>
</html> 再套了一個框架，多了紅色部分的代碼，這樣就可以使得框架居中了........
