<?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>
<package name="lee" extends="struts-default">
<action name="login" class="org.crazyit.app.action.LoginAction">
<result>/WEB-INF/content/welcome.jsp</result>
<result name="error">/WEB-INF/content/welcome.jsp</result>
</action>
<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), 2001-2012, 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>Set属性的类型转换</title>
</head>
<body>
<h3>Set属性的类型转换</h3>
<s:form action="login">
<s:textfield name="users" label="第一个用户信息"/>
<s:textfield name="users" label="第二个用户信息"/>
<s:textfield name="birth" label="用户生日"/>
<tr>
<td colspan="2"><s:submit value="转换" theme="simple"/>
<s:reset value="重填" theme="simple"/></td>
</tr>
</s:form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=GBK"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>转换结果</title>
</head>
<body>
<s:actionmessage/>
<s:property value="users"/>
<!-- 访问users集合属性里索引属性值为crazyit.org的元素的name属性-->
用户crazyit.org的用户名为：<s:property value="users('crazyit.org').name"/><br/>
<!-- 访问users集合属性里索引属性值为crazyit.org的元素的pass属性-->
用户crazyit.org的密码为：<s:property value="users('crazyit.org').pass"/><br/>
<!-- 访问users集合属性里索引属性值为fkit的元素的name属性-->
用户fkit的用户名为：<s:property value="users('fkit').name"/><br/>
<!-- 访问users集合属性里索引属性值为fkit的元素的pass属性-->
用户fkit的密码为：<s:property value="users('fkit').pass"/><br/>
生日为：<s:property value="birth"/><br/>
</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>
<package name="lee" extends="struts-default">
<action name="login" class="org.crazyit.app.action.LoginAction">
<result>/WEB-INF/content/welcome.jsp</result>
<result name="error">/WEB-INF/content/welcome.jsp</result>
</action>
<action name="*">
<result>/WEB-INF/content/{1}.jsp</result>
</action>
</package>
</struts>
package org.crazyit.app.action;
import com.opensymphony.xwork2.*;
import java.util.Date;
import java.util.Set;
/**
* Description:
* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
* <br/>Copyright (C), 2001-2012, 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 LoginAction extends ActionSupport
{
private Set users;
private Date birth;
// users的setter和getter方法
public void setUsers(Set users)
{
this.users = users;
}
public Set getUsers()
{
return this.users;
}
// birth的setter和getter方法
public void setBirth(Date birth)
{
this.birth = birth;
}
public Date getBirth()
{
return this.birth;
}
// 没有提供execute()方法,
// 将直接使用ActionSupport的execute()方法
}
#指定users属性的类型转换器是UserConverter
users= org.crazyit.app.converter.UserConverter
# 指定users集合属性里集合元素的索引属性是name
KeyProperty_users=name
package org.crazyit.app.converter;
import java.util.*;
import org.apache.struts2.util.StrutsTypeConverter;
import org.crazyit.app.domain.*;
/**
* 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 UserConverter extends StrutsTypeConverter
{
public Object convertFromString(Map context
, String[] values, Class toClass)
{
Set result = new HashSet();
for (int i = 0; i < values.length ; i++ )
{
// 创建一个User实例
User user = new User();
// 只处理请求参数数组第一个数组元素，
// 并将该字符串以英文逗号分割成两个字符串
String[] userValues = values[i].split(",");
// 为User实例的属性赋值
user.setName(userValues[0]);
user.setPass(userValues[1]);
// 将User实例添加到Set集合中
result.add(user);
}
return result;
}
public String convertToString(Map context, Object o)
{
// 如果待转换对象的类型是Set
if (o.getClass() == Set.class)
{
Set users = (Set)o;
String result = "[";
for (Object obj : users )
{
User user = (User)obj;
result += "<" + user.getName()
+ "," + user.getPass() + ">";
}
return result + "]";
}
else
{
return "";
}
}
}
package org.crazyit.app.domain;
/**
* Description:
* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
* <br/>Copyright (C), 2001-2012, 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 User
{
private String name;
private String pass;
// name的setter和getter方法
public void setName(String name)
{
this.name = name;
}
public String getName()
{
return this.name;
}
// pass的setter和getter方法
public void setPass(String pass)
{
this.pass = pass;
}
public String getPass()
{
return this.pass;
}
public boolean equals(Object obj)
{
// 如果待比较的两个对象是同一个对象，直接返回true
if(this == obj)
{
return true;
}
// 只有当obj是User对象
if (obj != null && obj.getClass() == User.class)
{
User user = (User)obj;
// 两个对象的name属性相等即认为二者相等
return this.getName().equals(user.getName());
}
return false;
}
// 根据name计算hashCode
public int hashCode()
{
return name.hashCode();
}
}