logic标签输出map和list

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<%@ page language="java" pageEncoding="GBK"%>
<%@ page import="java.util.*"%>
<%@ 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"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html:html lang="true">
<head>
<title>LogicDemo06.jsp</title>
</head>
<body>
<%
ArrayList testList=new ArrayList();
HashMap testMap1=new HashMap();
testMap1.put("grade","七年级");
testMap1.put("class","一班");
testMap1.put("master","张三");
testList.add(testMap1);
HashMap testMap2=new HashMap();
testMap2.put("grade","八年级");
testMap2.put("class","二班");
testMap2.put("master","张三");
testList.add(testMap2);
HashMap testMap3=new HashMap();
testMap3.put("grade","九年级");
testMap3.put("class","五班");
testMap3.put("master","李四");
testList.add(testMap3);
request.setAttribute("testList",testList);
%>
<logic:iterate id="element" indexId="ind" name="testList">
<tr>
<td>
<logic:iterate id="elementValue" indexId="idx" name="element">
<logic:equal name="elementValue" property="key" value="master">
<bean:write name="elementValue" property="value" />
</logic:equal>
</logic:iterate>
</td>
<td>
<logic:iterate id="elementValue" indexId="idx" name="element">
<logic:equal name="elementValue" property="key" value="class">
<bean:write name="elementValue" property="value" />
</logic:equal>
</logic:iterate>
</td>
<td>
<logic:iterate id="elementValue" indexId="idx" name="element">
<logic:equal name="elementValue" property="key" value="grade">
<bean:write name="elementValue" property="value" />
</logic:equal>
</logic:iterate>
</td>
</tr>
</logic:iterate>
</body>
</html:html>