<?xml version="1.0" encoding="GBK"?>
<project name="struts" basedir="." default="">
<property name="dist" value="classes"/>
<property name="src" value="src"/>
<path id="classpath">
<fileset dir="lib">
<include name="*.jar"/>
</fileset>
<pathelement path="${dist}"/>
</path>
<target name="compile" description="Compile all source code">
<delete dir="${dist}"/>
<mkdir dir="${dist}"/>
<copy todir="${dist}">
<fileset dir="${src}">
<exclude name="**/*.java"/>
</fileset>
</copy>
<javac destdir="classes" debug="true" includeantruntime="yes"
deprecation="false" optimize="false" failonerror="true">
<src path="${src}"/>
<classpath refid="classpath"/>
</javac>
</target>
</project>
<?xml version="1.0" encoding="GBK"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">
<!-- 定义Struts 2的核心Filter -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<!-- 让Struts 2的核心Filter拦截所有请求 -->
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.i18n.encoding" value="GBK"/>
<package name="lee" extends="struts-default">
<action name="*">
<result>/WEB-INF/content/{1}.jsp</result>
</action>
</package>
</struts>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:append标签拼接集合和Map</title>
</head>
<body>
<!-- 使用append将List和Map集合拼接在一起
新集合实际上是Map集合，其名字为newList -->
<s:append var="newList">
<s:param value="#{'疯狂Java讲义':'李刚',
'疯狂iOS讲义':'李刚',
'经典Java EE企业应用实战':'李刚'}" />
<s:param value="#{'http://www.crazyit.org',
'http://www.fkit.org'}" />
</s:append>
<table border="1" width="280">
<!-- 使用iterator迭代newList集合 -->
<s:iterator value="#newList" status="st">
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<td><s:property value="key"/></td>
<td><s:property value="value"/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:generator生成集合</title>
</head>
<body>
<!-- 使用generator将一个字符串解析成一个集合
，指定了var和count属性 -->
<s:generator val="'疯狂Java讲义
,轻量级Java EE企业应用实战,
疯狂iOS讲义'" separator=","
var="books" count="2"/>
<table border="1" width="300">
<!-- 迭代输出Stack Congtext中的books集合 -->
<s:iterator value="#books">
<tr>
<td><s:property/></td>
</tr>
</s:iterator>
</table>
${requestScope.books}
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:generator生成集合</title>
</head>
<body>
<table border="1" width="240">
<!-- 使用generator标签将指定字符串解析成Iterator集合
在generator标签内，得到的List集合位于ValueStack顶端 -->
<s:generator val="'疯狂Java讲义
,轻量级Java EE企业应用实战,
疯狂iOS讲义'" separator=",">
<!-- 没有指定迭代哪个集合，直接迭代ValueStack顶端的集合 -->
<s:iterator status="st">
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<td><s:property/></td>
</tr>
</s:iterator>
</s:generator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>s:if标签测试</title>
</head>
<body>
<!-- 在Stack Context中定义一个age属性，其值为29 -->
<s:set name="age" value="29"/>
<!-- 如果Stack Context中的age属性大于60 -->
<s:if test="#age>60">
老年人
</s:if>
<!-- 如果Stack Context中的age属性大于35 -->
<s:elseif test="#age>35">
中年人
</s:elseif>
<!-- 如果Stack Context中的age属性大于15 -->
<s:elseif test="#age>15">
青年人
</s:elseif>
<s:else>
少年
</s:else>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>s:itertor标签测试</title>
</head>
<body>
<table border="1" width="300">
<!-- 迭代输出List集合 -->
<s:iterator value="{'疯狂Java讲义',
'轻量级Java EE企业应用实战',
'疯狂iOS讲义'}"
id="name" status="st">
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<td><s:property value="name"/></td>
</tr>
</s:iterator>
</table>
<table border="1" width="350">
<tr>
<th>书名</th>
<th>作者</th>
</tr>
<!-- 对指定的Map对象进行迭代输出,并指定status属性 -->
<s:iterator value="#{'疯狂Java讲义':'李刚',
'轻量级Java EE企业应用实战':'李刚' ,
'疯狂iOS讲义':'李刚'}"
id="score" status="st">
<!-- 根据当前被迭代元素的索引是否为奇数来决定是否使用背景色 -->
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<!-- 输出Map对象里Entry的key -->
<td><s:property value="key"/></td>
<!-- 输出Map对象里Entry的value -->
<td><s:property value="value"/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:itertor标签迭代List</title>
</head>
<body>
<table border="1" width="300">
<s:iterator value="{'疯狂Java讲义',
'轻量级Java EE企业应用实战',
'疯狂iOS讲义'}"
id="name">
<tr>
<td><s:property value="name"/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:merge标签迭代Map</title>
</head>
<body>
<s:merge id="newList">
<s:param value="{'疯狂Java讲义',
'轻量级Java EE企业应用实战',
'疯狂iOS讲义'}" />
<s:param value="{'http://www.crazyit.org',
'http://www.fkit.org'}" />
</s:merge>
<table border="1" width="240">
<s:iterator value="#newList" status="st">
<tr <s:if test="#st.odd">style="background-color:#bbbbbb"</s:if>>
<td><s:property/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:merge标签迭代Map</title>
</head>
<body>
<s:merge id="newList">
<s:param value="#{'疯狂Java讲义':'李刚',
'轻量级Java EE企业应用实战':'李刚',
'经典Java EE企业应用实战':'李刚'}" />
<s:param value="#{'http://www.crazyit.org',
'http://blog.crazyit.org'}" />
</s:merge>
<table border="1" width="320">
<s:iterator value="#newList" status="st">
<tr <s:if test="#st.odd">style="background-color:#bbbbbb"</s:if>>
<td><s:property value="key"/></td>
<td><s:property value="value"/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:sort对集合元素进行排序</title>
</head>
<body>
<!-- 定义一个Comparator实例 -->
<s:bean var="mycomparator" name="org.crazyit.app.util.MyComparator"/>
<!-- 使用自定义的排序规则对目标集合进行排序 -->
<s:sort source="{'疯狂Java讲义'
,'轻量级Java EE企业应用实战'
,'经典Java EE企业应用实战'
,'疯狂Ajax讲义'
,'疯狂iOS讲义'}"
comparator="#mycomparator"
var="sortedList"/>
输出page范围的sortedList属性：<br/>
${pageScope.sortedList}
<table border="1" width="300">
<!-- 迭代page范围内的sortedList属性 -->
<s:iterator status="st" value="#attr.sortedList">
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<td><s:property/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:subset标签截取集合元素</title>
</head>
<body>
<table border="1" width="300">
<!-- 使用subset标签截取目标集合的4个元素，从第2个元素开始截取 -->
<s:subset source="{'疯狂Java讲义'
,'轻量级Java EE企业应用实战'
,'经典Java EE企业应用实战'
,'疯狂Ajax讲义'
,'疯狂iOS讲义'}"
start="1" count="4">
<!-- 使用iterator标签来迭代目标集合，因为没有指定value属性值，
故迭代ValueStack栈顶的集合 -->
<s:iterator status="st">
<!-- 根据当前迭代元素的索引是否为奇数决定是否使用CSS样式 -->
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<td><s:property/></td>
</tr>
</s:iterator>
</s:subset>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:subset标签截取集合元素</title>
</head>
<body>
<!-- 定义一个Decider Bean -->
<s:bean var="mydecider" name="org.crazyit.app.util.MyDecider"/>
<!-- 使用自定义的Decider实例来截取目标集合，生成子集
指定var属性，将生成的Itertor放入pageScope中 -->
<s:subset source="{'疯狂Java讲义'
,'轻量级Java EE企业应用实战'
,'经典Java EE企业应用实战'
,'疯狂Ajax讲义'
,'疯狂iOS讲义'}"
decider="#mydecider"
var="newList"/>
直接输出page范围的newList属性：<br/>
${pageScope.newList}
<table border="1" width="240">
<!-- 迭代page范围内的newList属性 -->
<s:iterator status="st" value="#attr.newList">
<tr <s:if test="#st.odd">
style="background-color:#bbbbbb"</s:if>>
<td><s:property/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<%--
网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
author yeeku.H.lee kongyeeku@163.com
version 1.0
Copyright (C), 2001-2016, yeeku.H.Lee
This program is protected by copyright laws.
Program Name:
Date:
--%>
<%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>
<title>使用s:append标签拼接两个集合</title>
</head>
<body>
<!-- 使用append标签将两个集合拼接成新的集合，
新集合的名字是newList，新集合放入Stack Context中 -->
<s:append var="newList">
<s:param value="{'疯狂Java讲义',
'轻量级Java EE企业应用实战',
'疯狂iOS讲义'}" />
<s:param value="{'http://www.crazyit.org',
'http://www.fkit.org'}" />
</s:append>
<table border="1" width="260">
<!-- 使用iterator迭代newList集合 -->
<s:iterator value="#newList" status="st" id="ele">
<tr>
<td><s:property value="#st.count"/></td>
<td><s:property value="ele"/></td>
</tr>
</s:iterator>
</table>
</body>
</html>
<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.i18n.encoding" value="GBK"/>
<package name="lee" extends="struts-default">
<action name="*">
<result>/WEB-INF/content/{1}.jsp</result>
</action>
</package>
</struts>
package org.crazyit.app.util;
import java.util.Comparator;
/**
* Description:
* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
* <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
public class MyComparator implements Comparator
{
// 决定两个元素大小的方法
public int compare(Object element1, Object element2)
{
// 根据元素字符串长度来决定大小
return element1.toString().length()
- element2.toString().length();
}
}
package org.crazyit.app.util;
import org.apache.struts2.util.SubsetIteratorFilter;
/**
* Description:
* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
* <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
// 用户自定义的Decider类，实现了SubsetIteratorFilter.Decider接口
public class MyDecider
implements SubsetIteratorFilter.Decider
{
// 实现Decider接口必须实现的decide()方法，
// 该方法决定集合中的元素是否被选入子集
public boolean decide(Object element) throws Exception
{
String str = (String)element;
// 如果集合元素（字符串）中包含Java EE子串，即可被选入子集
return str.indexOf("Java EE") > 0;
}
}