struts2标签的使用
（1）form<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<s:if test="employee==null || employee.employeeId == null">
<s:set name="title" value="%{'Add new employee'}"/>
</s:if>
<s:else>
<s:set name="title" value="%{'Update employee'}"/>
</s:else>
<html>
<head>
<link href="<s:url value='/css/main.css'/>" rel="stylesheet" type="text/css"/>
<style>td { white-space:nowrap; }</style>
<title><s:property value="#title"/></title>
</head>
<body>
<div class="titleDiv"><s:text name="application.title"/></div>
<h1><s:property value="#title"/></h1>
<s:actionerror />
<s:actionmessage />
<s:form action="crud!save" method="post">
<s:textfield name="employee.firstName" value="%{employee.firstName}" label="%{getText('label.firstName')}" size="40"/>
<s:textfield name="employee.lastName" value="%{employee.lastName}" label="%{getText('label.lastName')}" size="40"/>
<s:textfield name="employee.age" value="%{employee.age}" label="%{getText('label.age')}" size="20"/>
<s:select name="employee.department.departmentId" value="%{employee.department.departmentId}" list="departments" listKey="departmentId" listValue="name"/>
<s:hidden name="employee.employeeId" value="%{employee.employeeId}"/>
<s:submit value="%{getText('button.label.submit')}"/>
<s:submit value="%{getText('button.label.cancel')}" name="redirect-action:index"/>
</s:form>
</body>
</html>
（2）list
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<link href="<s:url value='/css/main.css'/>" rel="stylesheet" type="text/css"/>
<title><s:text name="label.employees"/></title>
</head>
<body>
<div class="titleDiv"><s:text name="application.title"/></div>
<h1><s:text name="label.employees"/></h1>
<s:url id="url" action="crud!input" />
<a href="<s:property value="#url"/>">Add New Employee</a>
<br/><br/>
<table class="borderAll">
<tr>
<th><s:text name="label.firstName"/></th>
<th><s:text name="label.lastName"/></th>
<th><s:text name="label.age"/></th>
<th><s:text name="label.department"/></th>
<th>&nbsp;</th>
</tr>
<s:iterator value="employees" status="status">
<tr class="<s:if test="#status.even">even</s:if><s:else>odd</s:else>">
<td class="nowrap"><s:property value="firstName"/></td>
<td class="nowrap"><s:property value="lastName"/></td>
<td class="nowrap"><s:property value="age"/></td>
<td class="nowrap"><s:property value="department.name"/></td>
<td class="nowrap">
<s:url action="crud!input" id="url">
<s:param name="employee.employeeId" value="employeeId"/>
</s:url>
<a href="<s:property value="#url"/>">Edit</a>
&nbsp;&nbsp;&nbsp;
<s:url action="crud!delete" id="url">
<s:param name="employee.employeeId" value="employeeId"/>
</s:url>
<a href="<s:property value="#url"/>">Delete</a>
</td>
</tr>
</s:iterator>
</table>
</body>
</html>
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