<div></div>主要是用来设置涵盖一个区块为主，所谓的区块是包含一行以上的数据，所以在<div></div>的开始之前与结束后，浏览都会自动换行，所以夹在<div></div>间的数据，自然会与其前后文隔开而自成一区快
主要设置页面的布局
定义方位，布局
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%@ taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles"%>
3 <%
4 String path = request.getContextPath();
5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
6 %>
7
8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
9 <html>
10 <head>
11 <base href="<%=basePath%>">
12 <title><tiles:insertAttribute name="title"/></title>
13 <link href="${pageContext.request.contextPath}/css/style.css" rel="stylesheet" type="text/css" />
14 <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-1.8.2.min.js"></script>
15 </head>
16 <body>
17
18 <tiles:insertAttribute name="header" />
19 <div style="position: absolute;margin-top: 88px">
20 <tiles:insertAttribute name="menu" />
21 </div>
22 <div style="position: absolute;margin-left:187px; margin-top: 88px">
23 <tiles:insertAttribute name="content" />
24 </div>
25
26 </body>
27 </html>