<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<style>
*{margin:0;padding:0}
html, body {height:100%;100%;overflow:hidden}
table {height:100%;100%;table-layout:static;border-collapse:collapse}
iframe {height:100%;100%}
.header {border-bottom:1px solid #000}
.content {height:100%}
</style>
</head>
<body>
<table>
<tr><td class="content">
<iframe src="http://www.baidu.com/" frameborder="0"></iframe></td></tr>
</table>
</body>
</html>
方案1：↑
<!DOCTYPE html>
<html>
<head>
<title>iframe Test</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/css">
@charset "utf-8";
body {
margin: 0px;
padding: 0px;
}
/* iframe's parent node */
div#root {
position: fixed;
100%;
height: 100%;
}
/* iframe itself */
div#root > iframe {
display: block;
100%;
height: 100%;
border: none;
}
</style>
</head>
<body>
<div id="root">
<iframe src="http://www.baidu.com/">
Your browser does not support inline frames.
</iframe>
</div>
</body>
</html>
方案2：↑