各位大侠帮忙解释一下这些代码
愿颖 2012-03-03 09:46:23 <%@ page language="java" pageEncoding="utf-8"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic"%>
<%@ taglib uri="http://struts.apache.org/tags-tiles" prefix="tiles"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>新建权重</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<link type="text/css" href="<%=path %>/jxgl/css/css.css" rel="stylesheet"/>
<link type="text/css" href="<%=path %>/jxgl/css/menu_top.css" rel="stylesheet"/>
<script type="text/javascript" src="<%=path %>/jxgl/js/ccorrect_btn.js"></script>
<script type="text/javascript" src="<%=path %>/jxgl/js/check.js"></script>
<script type="text/javascript">
function back()
{
var t='${type}';
var url="";
if(t=="1")url="centraljob.do?op=toExamIndex";
else if(t=="2")url="monopolyjob.do?op=toExamIndex";
else if(t=="3")url="financejob.do?op=toExamIndex";
else if(t=="4")url="netbuildjob.do?op=toExamIndex";
else url="partyjob.do?op=toExamIndex";
location.href=url;
}
</script>
</head>
<body>
<div id="navPanel">
<div id="navMenu">
<span class="big3">新建县局一级考核权重</span>
</div>
</div>
<table border="0" class="TableList" width="100%" align="center">
<tr class="TableContent"><td align="right">
<input type="button" value="返回" class="BigButton" onclick="back();"/></td></tr>
</table>
<form action="baseWeight.do?op=doAdd" method="post">
<input type="hidden" name="bw.type" value="${type }">
<table border="0" class="TableList" width="100%" align="center">
<tr>
<td>级别名称:</td><td><input type="text" name="bw.name" class="BigInput"/></td>
</tr>
<tr>
<td>级别权重:</td><td><input type="text" name="bw.classWeight" class="BigInput" size="4"/>%</td>
</tr>
<tr>
<td>得分占质量分值百分比:</td><td><input type="text" name="bw.scoreWeight" class="BigInput" size="4"/>%</td>
</tr>
<tr class="TableControl">
<td colspan="2"><input type="submit" value="新建" class="BigButton"/></td>
</tr>
</table>
</form>
<html:errors property="ms"/>
</body>
</html>