本文介绍了一个基于Struts2框架的应用案例，包括了验证、拦截器、国际化等功能的使用，并实现了用户注册、列表展示、更新及下载Excel文档等操作。文章提供了完整的代码示例，覆盖了前端页面设计、后端逻辑处理以及数据库交互等方面。
struts2验证+拦截器+国际化+下载excle文档+struts2二级联动+OGNL表达试+验证码+ssh集成
http://download.youkuaiyun.com/detail/liangrui1988/5875807
部分代码：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<p><a href="
change.action?request_locale=zh_CN
">中文</a> <a href="change.action?request_locale=zh_HK">繁體</a>
<a href="change.action?request_locale=en">english</a></p>
<font color="blue"><s:text name="new.user.register"/></font>
<s:form action="register_user.action">
<s:text name="user1.email"></s:text>
<s:textfield label="%{getText('user1.name')}" name="user1.name"/>
<s:textfield label="%{getText('user1.email')}" name="user1.email"/>
<s:textfield label="%{getText('user1.password')}" name="user1.password"/>
<s:textfield label="%{getText('user1.rePassword')}" name="user1.rePassword"/>
<s:textfield label="%{getText('user1.age')}" name="user1.age"/>
<s:submit value="%{getText('enters')}"/>
</s:form>
</body>
</html>
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators
PUBLIC "-//Apache Struts//XWork Validator 1.0.2//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd">
<validators>
<field name="name">
<field-validator type="requiredstring">
<message key="nameInvok"></message>
</field-validator>
</field>
<field name="email">
<field-validator type="required">
<message>You cannot leave the email address field empty.</message>
</field-validator>
<field-validator type="email">
<message>The email address you entered is not valid.</message>
</field-validator>
</field>
<field name="password">
<field-validator type="requiredstring">
<message key="passwordInvok"></message>
</field-validator>
<field-validator type="stringlength">
<param name="maxLength">10</param>
<param name="minLength">4</param>
<message key="passwod.length"> err to ${maxLength} bettowe ${minLength} </message>
</field-validator>
</field>
<field name="rePassword">
<field-validator type="fieldexpression">
<param name="expression"><![CDATA[rePassword==password]]></param>
<message key="rePass">xxxxaaaaa</message>
</field-validator>
</field>
<!-- 非字段校验器
<validator type="required">
<param name="fileName">email</param>
<param name="fileName">age</param>
<param name="fileName">name</param>
<param name="fileName">password</param>
<param name="fileName">rePassword</param>
<message>字段不能为空</message>
</validator>
-->
</validators>spring.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<bean id="testBean" class="accp.ssh.test.TestBean" >
<property name="name" value="刘备"/>
</bean>
<!-- 配制数据源 destroy-method="close" 用完之后自动关闭-->
<bean id="dataSoruce" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/>
<property name="url" value="jdbc:oracle:thin:@localhost:1521:ABC"/>
<property name="username" value="tenement"/>
<property name="password" value="rui"/>
<property name="maxActive" value="100"/>
<property name="maxIdle" value="30"/>
<property name="maxWait" value="500"/>
<!-- 自动提交事务 -->
<property name="defaultAutoCommit" value="true"/>
</bean>
<!-- sessionFactory配制 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSoruce"/>
<property name="hibernateProperties">
<!--
<props>
<prop key=""></prop>
</props>
-->
<value>
hibernate.dialect=org.hibernate.dialect.OracleDialect
hibernate.hbm2ddl.auto=update
hibernate.show_sql=true
</value>
</property>
<!-- 映射文件 -->
<property name="mappingResources" >
<list>
<value>accp/ssh/bean/Users3.hbm.xml</value>
</list>
</property>
</bean>
<!-- userdao - HibernateDaoSupport类需要一个注入配制 || singleton 是在IOC容器里生成唯一的一个实列-->
<bean id="userDao" class="accp.ssh.dao.Imple.UserDaoImple" scope="singleton">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>
<!-- service实现层 属性UserDaoInterface dao的注入 -->
<bean id="serviceUser" class="accp.ssh.serviceImple.UserServiceImple">
<property name="dao" ref="userDao"/>
</bean>
<!-- 配制saveSerivceUser.action 保存用户 注入属性业务层的userService接口-->
<bean id="saveUsersAction" class="accp.ssh.action.users.SaveUsers" scope="prototype">
<property name="userService" ref="serviceUser"/>
</bean>
<!-- 配制查询所有用户, 注入业务层 得到实列 id=struts.action类class-->
<bean id="listUserActiond" class="accp.ssh.action.users.ListUser">
<property name="userSevice" ref="serviceUser"/>
</bean>
<!-- 删除用户 -->
<bean id="removeUserAction" class="accp.ssh.action.users.RemoveUser" scope="prototype">
<property name="serviceUser" ref="serviceUser"/>
</bean>
<!-- 更新用户 -->
<bean id="updatePUserAction" class="accp.ssh.action.users.UpdatePUser" scope="prototype">
<property name="serviceUser" ref="serviceUser" />
</bean>
<!-- 确认更新用户 -->
<bean id="updateUseraction" class="accp.ssh.action.users.UpdateUser" scope="prototype">
<property name="userService" ref="serviceUser"></property>
</bean>
<!-- 下载文件 excel-->
<bean id="dowloadUserDocAction" class="accp.ssh.action.users.DowloadUserDoc">
<property name="serviceUser" ref="serviceUser"/>
</bean>
</beans>struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<include file="jqueryAction.xml"/>
<package name="default" extends="struts-default">
<!-- class是spring注入的id名称 -->
<action name="saveUser" class="saveUsersAction">
<result name="success" type="redirectAction">listUser</result>
<result name="input">/saveUser.jsp</result>
<result name="error">/err.jsp</result>
</action>
<action name="listUser" class="listUserActiond">
<result name="success" >listUser.jsp</result>
</action>
<!-- 删除用户 -->
<action name="removeUser" class="removeUserAction">
<result name="success" type="redirectAction">listUser</result>
</action>
<!-- 更新用户 Page-->
<action name="updatePUser" class="updatePUserAction">
<result>updateUser.jsp</result>
</action>
<!--确认更新用户 -->
<action name="updateUser" class="updateUseraction">
<result name="success" type="redirectAction">listUser</result>
<result name="input">updateUser.jsp</result>
<result name="error">err.jsp</result>
</action>
<!-- 下载exec -->
<action name="dowloadUserDoc" class="dowloadUserDocAction">
<result name="success" type="stream">
<!-- 指定下载文件配制 -->
<!-- 配制文件类型为excel==xls -->
<param name="contentType">application/vnd.ms-excel</param>
<!-- 配制文件名 -->
<param name="contentDisposition">filename="allUserInfo.xls"</param>
<!-- 文件下载的方法名字 - 在action里的操作方法-->
<param name="inputName">downloadUserXls</param>
</result>
</action>
</package>
</struts>
update.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators
PUBLIC "-//Apache Struts//XWork Validator 1.0.2//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd">
<validators>
<field name="user">
<!-- 访问类型 指定对另一个xml文件过行访问，对 XXX-user-validation的文件进行访问 ,并验证 -->
<field-validator type="visitor">
<!-- 指定对那个对象验证 -->
<param name="context" >user</param>
<!--前面统一提示信息 -->
<param name="appendPrefix">true</param>
<message>update user s' </message>
</field-validator>
</field>
</validators>
下载为xls方档
package accp.ssh.serviceImple;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import org.apache.commons.io.output.ByteArrayOutputStream;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import accp.ssh.bean.Users3;
import accp.ssh.dao.Imple.UserDaoImple;
import accp.ssh.dao.Interface.UserDaoInterface;
import accp.ssh.serviceInterface.UserServiceInteface;
public class UserServiceImple implements UserServiceInteface {
private UserDaoInterface dao; //在spring里面注入
public UserDaoInterface getDao() {
return dao;
}
public void setDao(UserDaoInterface dao) {
this.dao = dao;
}
@Override
public void addUser(Users3 u) {
dao.addUser(u);
}
@Override
public List<Users3> getUserList() {
return dao.getUserList();
}
@Override
public void removeUser(Users3 u) {
dao.removeUser(u);
}
@Override
public Users3 getUser(Integer id) {
return dao.getUser(id);
}
@Override
public void updateUser(Users3 u) {
dao.updateUser(u);
}
/**
* 下载用户文档并生成exec
* HSSFWorkbook poi包对象
*/
@Override
public InputStream getUserDocStream() {
HSSFWorkbook wb=new HSSFWorkbook();//创建exec对象
HSSFSheet sheet=wb.createSheet(); //创建一张工作表
HSSFRow row=sheet.createRow(0);//创建一行,从0开始
HSSFCell cell;
//0
cell=row.createCell((short)0);//创建一个单元格,并放入数据
cell.setEncoding(HSSFCell.ENCODING_UTF_16);//指定编码
cell.setCellValue("序列"); //设值
//1
cell=row.createCell((short)1);//创建一个单元格,并放入数据
cell.setEncoding(HSSFCell.ENCODING_UTF_16);//指定编码
cell.setCellValue("ID号"); //设值
//2
cell=row.createCell((short)2);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue("姓");
//2
cell=row.createCell((short)3);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue("名");
//2
cell=row.createCell((short)4);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue("年龄");
//从数据库里取数据
List<Users3> listUser=dao.getUserList();
for(int i=0;i<listUser.size();++i){
Users3 user=listUser.get(i);
row=sheet.createRow(i+1);//创建一行,从0开始
//0
cell=row.createCell((short)0);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue(i);
//1
cell=row.createCell((short)1);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue(user.getId());
//2
cell=row.createCell((short)2);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue(user.getFirstName());
//3
cell=row.createCell((short)3);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue(user.getLastName());
//4
cell=row.createCell((short)4);
cell.setEncoding(cell.ENCODING_UTF_16);
cell.setCellValue(user.getAge());
}
//方式一 以字节流的方式 不会产生监时文件，是在内存中加载
ByteArrayOutputStream os =new ByteArrayOutputStream();//字节数组输出流
try {
wb.write(os);//写入字节输出流对象是
} catch (IOException e) {
e.printStackTrace();
}
byte[] bArry=os.toByteArray();//获取字节数组
//将数组字节 写入到输入流对象
InputStream isba=new ByteArrayInputStream(bArry);
return isba;
//办能获取一部分字节流，不可行
/* byte [] b=wb.getBytes();//获取文件字节流
//把字节数组写入到字节输入流对象
InputStream isb=new ByteArrayInputStream(b);
return isb;*/
//方式二
/*//获得文件流
final File file=new File("userDoc.xls");
OutputStream os;//输出流
InputStream is = null;//输入流
try {
os=new FileOutputStream(file);
wb.write(os); //将wb文档 通过输出流 写入到File文件中
os.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//将file文件 ，写入输入文件流,并返回
try {
is=new FileInputStream(file);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//用线程删掉tomact服务器的File的临时文件
new Thread(
new Runnable(){
public void run() {
//线程休眠15秒
try {
Thread.sleep(15000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
file.delete();//删除临时文件
}
}
).start();
//如果服务器在此之间关闭，监时文件不会删除，永远在,这时要用一个servlet,init()去删除
return is;*/
}
}
太多了！有兴趣可以下载项目！
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