效果图：
header.jsp
代码：
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
<form id="form1" name="form1" method="post" action="http://www.baidu.com/">
<style type="text/css">
#xsnazzy h1, #xsnazzy h2, #xsnazzy p {margin:0 10px; letter-spacing:1px;}
#xsnazzy h1 {font-size:2.5em; color:#fff;}
#xsnazzy h2 {font-size:2em;color:#06a; border:0;}
#xsnazzy p {padding-bottom:0.5em;}
#xsnazzy h2 {padding-top:0.5em;}
#xsnazzy {background: transparent; margin:1em;}
.xtop, .xbottom {display:block; background:transparent; font-size:1px;}
.xb1, .xb2, .xb3, .xb4 {display:block; overflow:hidden;}
.xb1, .xb2, .xb3 {height:1px;}
.xb2, .xb3, .xb4 {background:#ccc; border-left:1px solid #08c; border-right:1px solid #08c;}
.xb1 {margin:0 5px; background:#08c;}
.xb2 {margin:0 3px; border-0 2px;}
.xb3 {margin:0 2px;}
.xb4 {height:2px; margin:0 1px;}
.xboxcontent {display:block; background:#ccc; border:0 solid #08c; border-0 1px;}
</style>
<div id="xsnazzy">
<b class="xtop"><b class="xb1"></b><b class="xb2"></b><b class="xb3"></b><b class="xb4"></b></b>
<div class="xboxcontent">
footer.jsp
代码：
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
</div>
<b class="xbottom"><b class="xb4"></b><b class="xb3"></b><b class="xb2"></b><b class="xb1"></b></b>
</div>
login.jsp
代码:
<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>login page</title>
</head>
<head>
<title>login page</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
</head>
<body>
登录
<!--把下面代码加到<body>与</body>之间-->
<form id="form1" name="form1" method="post" action="">
<%@include file="header.jsp"%>
<table width="282" >
<tr>
<td>用户名：</td>
<td><label>
<input name="username" type="text" id="username" />
</label></td>
</tr>
<tr>
<td>密 码：</td>
<td><label>
<input name="password" type="password" id="password" />
</label></td>
</tr>
<tr>
<td> </td>
<td><label>
<input type="submit" name="Submit" value="提交" />
</label></td>
</tr>
</table>
<%@include file="footer.jsp"%>