//主页面框架
<body style="padding: 0;margin: 0;">
<section class="top" style="width: 100%;height: 40px;background: #ab2727;color: #fff"></section>
<section class="menu" style="width: 80px;height: 100%;background: #000;color: #fff""></section>
<script type="text/javascript" src="jquery.min.js"></script>
<script>
$(".top").load("page/3.html");
$(".menu").load("page/2.html");
</script>
</body>
//引入页面
<section>
<span>我是菜单模块</span>
</section>