<?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; } }