<?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>
<%--
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>局部类型转换器</title>
</head>
<body>
<h3>局部类型转换器</h3>
<s:form action="login">
<s:textfield name="user" label="用户"/>
<tr>
<td colspan="2"><s:submit value="转换" theme="simple"/>
<s:reset value="重填" theme="simple"/></td>
</tr>
</s:form>
</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>转换结果</title>
</head>
<body>
<s:actionmessage/>
用户名为:<s:property value="user.name"/><br/>
密码为：<s:property value="user.pass"/><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.ActionSupport;
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 LoginAction extends ActionSupport
{
private User user;
// user的setter和getter方法
public void setUser(User user)
{
this.user = user;
}
public User getUser()
{
return this.user;
}
public String execute() throws Exception
{
if (getUser().getName().equals("crazyit.org")
&& getUser().getPass().equals("leegang") )
{
addActionMessage("登录成功！");
return SUCCESS;
}
addActionMessage("登录失败！！");
return ERROR;
}
}
#指定Action的user属性需要使用UserConverter类来完成类型转换
user=org.crazyit.app.converter.UserConverter
package org.crazyit.app.converter;
import java.util.Map;
import ognl.DefaultTypeConverter;
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 DefaultTypeConverter
{
// 类型转换器必须重写convertValue方法，该方法需要完成双向转换
public Object convertValue(Map context
, Object value, Class toType)
{
// 当需要将字符串向User类型转换时
if (toType == User.class )
{
// 系统的请求参数是一个字符串数组
String[] params = (String[])value;
// 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 = params[0].split(",");
// 为User实例赋值
user.setName(userValues[0]);
user.setPass(userValues[1]);
// 返回转换来的User实例
return user;
}
else if (toType == String.class )
{
// 将需要转换的值强制类型转换为User实例
User user = (User) value;
return "<" + user.getName() + ","
+ user.getPass() + ">";
}
return null ;
}
}
package org.crazyit.app.domain;
/**
* Description:
* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
* <br/>Copyright (C), 2001-2016, 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 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;
}
}