一个完整的struts2+spring+hibernate+分页实例

一个完整的struts2+spring+hibernate+分页实例

 前段时间，一直在为配置struts2+spring+hibernate这三大框架头痛。在网上找了很多例子，但都没有解决好我的三大框架的问题。后来把它搁了一段时间。偶尔有一天，我突然想起来了，然后硬着头皮逐字逐字地反复看那几个配置文件，突然我发现，原来犯了个很cheap的错误。敲错了一个字母。导致tomcat启动时老报Error:listenStart...的错误。这个错误可真烦人啊。
 以下这个实例在我的机器上运行是没问题的。在此共享一下：

一。 看树：（定位各文件的正确放置）
 卷 drfStudy 的文件夹 PATH 列表
卷序列号为 F4AB-013D
E:\ECLIPSEWORKS\PAGING
│  .classpath
│  .myhibernatedata
│  .mymetadata
│  .project
│  .springBeans
│  treeList.txt
│ 
├─.myeclipse
├─src
│  │  applicationContext-beans.xml
│  │  applicationContext-common.xml
│  │  create.sql
│  │  create.sql.bak
│  │  hibernate.cfg.xml
│  │  instance.txt
│  │  instance.txt.bak
│  │  log4j.properties
│  │  select.sql
│  │  struts.xml
│  │ 
│  └─cn
│      └─paging
│          ├─action
│          │      ListMemberAction.java
│          │     
│          ├─bean
│          │      PageBean.java
│          │     
│          ├─dao
│          │  │  MemberDao.java
│          │  │ 
│          │  └─impl
│          │          MemberDaoImpl.java
│          │         
│          ├─model
│          │      Member.hbm.xml
│          │      Member.java
│          │     
│          ├─service
│          │  │  MemberService.java
│          │  │ 
│          │  └─impl
│          │          MemberServiceImpl.java
│          │         
│          ├─test
│          └─util
│                  HibernateUtils.java
│                 
└─WebRoot
    │  index.jsp
    │  list.jsp
    │  update.jsp
    │ 
    ├─META-INF
    │      MANIFEST.MF
    │     
    └─WEB-INF
        │  spring-form.tld
        │  spring.tld
        │  web.xml
        │ 
        ├─classes
        │  │  applicationContext-beans.xml
        │  │  applicationContext-common.xml
        │  │  create.sql
        │  │  create.sql.bak
        │  │  hibernate.cfg.xml
        │  │  instance.txt
        │  │  instance.txt.bak
        │  │  log4j.properties
        │  │  select.sql
        │  │  struts.xml
        │  │ 
        │  └─cn
        │      └─paging
        │          ├─action
        │          │      ListMemberAction.class
        │          │     
        │          ├─bean
        │          │      PageBean.class
        │          │     
        │          ├─dao
        │          │  │  MemberDao.class
        │          │  │ 
        │          │  └─impl
        │          │          MemberDaoImpl.class
        │          │         
        │          ├─model
        │          │      Member.class
        │          │      Member.hbm.xml
        │          │     
        │          ├─service
        │          │  │  MemberService.class
        │          │  │ 
        │          │  └─impl
        │          │          MemberServiceImpl.class
        │          │         
        │          ├─test
        │          └─util
        │                  HibernateUtils.class
        │                 
        └─lib
                antlr-2.7.5H3.jar
                asm-attrs.jar
                asm-commons-2.2.3.jar
                asm.jar
                aspectjweaver.jar
                c3p0-0.9.1.1.jar
                cglib-2.1.3.jar
                cglib-nodep-2.1_3.jar
                commons-attributes-api.jar
                commons-attributes-compiler.jar
                commons-codec.jar
                commons-collections-2.1.1.jar
                commons-dbcp.jar
                commons-fileupload.jar
                commons-io.jar
                commons-lang.jar
                commons-logging.jar
                commons-pool-1.3.jar
                concurrent-1.3.2.jar
                connector.jar
                cos.jar
                dom4j-1.6.1.jar
                ehcache-1.1.jar
                ehcache-1.2.4.jar
                freemarker.jar
                hibernate-annotations.jar
                hibernate-commons-annotations.jar
                hibernate-entitymanager.jar
                hibernate3.jar
                ibatis-2.3.0.677.jar
                jotm.jar
                jta.jar
                jxl.jar
                log4j-1.2.14.jar
                mysql-connector-java-5.1.6-bin.jar
                ognl-2.6.11.jar
                oscache-2.1.jar
                spring-agent.jar
                spring-aop.jar
                spring-beans.jar
                spring-context.jar
                spring-core.jar
                spring-dao.jar
                spring-hibernate3.jar
                spring-ibatis.jar
                spring-jca.jar
                spring-jdbc.jar
                spring-jdo.jar
                spring-jms.jar
                spring-jpa.jar
                spring-portlet.jar
                spring-struts.jar
                spring-tomcat-weaver.jar
                spring-toplink.jar
                spring-web.jar
                spring-webmvc.jar
                spring.jar
                struts2-core-2.0.11.jar
                struts2-spring-plugin-2.0.11.2.jar
                xapool.jar
                xerces-2.6.2.jar
                xwork-2.0.4.jar
               

二。看配置文件（spring，struts，hibernate，web）
 (一)spring的配置文件。（在此我用了两个，请对照上面的树放入相应的位置）
 1.applicationContext-beans.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:aop="http://www.springframework.org/schema/aop"
      xmlns:tx="http://www.springframework.org/schema/tx"
      xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
           http://www.springframework.org/schema/aop
           http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">      
    <!-- action  -->
 <bean id="listAction" class="cn.paging.action.ListMemberAction" scope="prototype">
  <property name="memberService">
   <ref local="memberService" />
  </property>
  <property name="pageBean">
   <ref bean="pageBean"/>
  </property>
 </bean>
    
 
 <bean id="memberService" class="cn.paging.service.impl.MemberServiceImpl" scope="prototype">
  <property name="memberDao">
   <ref bean="memberDao"/>
  </property>
 </bean>
 
 
 <bean id="memberDao" class="cn.paging.dao.impl.MemberDaoImpl" scope="prototype">
  <property name="sessionFactory">
   <ref bean="sessionFactory"/>
  </property>
 </bean>
 
 <bean id="pageBean" class="cn.paging.bean.PageBean" scope="prototype" >
 </bean>
</beans>
//**************************************************************************************************

2.applicationContext-common.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:aop="http://www.springframework.org/schema/aop"
      xmlns:tx="http://www.springframework.org/schema/tx"
      xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
           http://www.springframework.org/schema/aop
           http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">      
          
          
 <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
  <property name="configLocation">
   <value>classpath:hibernate.cfg.xml</value>
  </property>
 </bean>
 
 <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
  <property name="sessionFactory">
   <ref bean="sessionFactory"/>
  </property>
 </bean>
 
 <!-- intercept methods -->
 <tx:advice id="txAdvice" transaction-manager="transactionManager">
  <tx:attributes>
   <tx:method name="add*" propagation="REQUIRED" />
   <tx:method name="del*" propagation="REQUIRED"/>
   <tx:method name="list*" propagation="REQUIRED"/>
   <tx:method name="update*" propagation="REQUIRED"/>
   <tx:method name="edit*" propagation="REQUIRED"/>
   <tx:method name="*" read-only="true" />
  </tx:attributes>
 </tx:advice>
  
 <aop:config>
  <aop:pointcut id="allManagerMethod" expression="execution(* cn.paging.service.*.*(..))"/>
  <aop:advisor pointcut-ref="allManagerMethod" advice-ref="txAdvice"/>
 </aop:config>
 
 
</beans>
//**************************************************************************************************

（二）struts.xml文件
//**************************************************************************************************
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

 <constant name="struts.objectFactory" value="spring"></constant>

 <package name="Paging" extends="struts-default">

  <action name="list" class="listAction" method="list" >
   <result name="input">index.jsp</result>
   <result name="success">/list.jsp</result>
  </action>
  
  <action name="edit" class="listAction" method="edit">
   <result name="success">/update.jsp</result>
  </action>
  
  <action name="update" class="listAction" method="update">
   <result type="redirect">list.action</result>
  </action>
  
  <action name="add" class="listAction" method="add">
   <result type="redirect">list.action</result>
  </action>
  
  <action name="delete" class="listAction" method="delete">
   <result type="redirect">/list.action</result>
  </action>

 </package>

</struts>
//**************************************************************************************************

（三）hibernate.cfg.xml文件
//**************************************************************************************************
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<!-- Generated by MyEclipse Hibernate Tools.                   -->
<hibernate-configuration>

<session-factory>
 <property name="connection.username">root</property>
 <property name="connection.url">
  jdbc:mysql://localhost:2008/test
 </property>
 <property name="dialect">
  org.hibernate.dialect.MySQLDialect
 </property>
 <property name="myeclipse.connection.profile">
  mysql_Paging
 </property>
 <property name="connection.password">admin</property>
 <property name="connection.driver_class">
  com.mysql.jdbc.Driver
 </property>
 <property name="hibernate.hbm2ddl.auto">update</property>
 <property name="show_sql">true</property>
 <mapping resource="cn/paging/model/Member.hbm.xml" />

</session-factory>

</hibernate-configuration>
//**************************************************************************************************

（四）web.xml文件
//**************************************************************************************************
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4"
 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
 <context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath*:applicationContext*.xml</param-value>
 </context-param>

 <filter>
  <filter-name>hibernateFilter</filter-name>
  <filter-class>
   org.springframework.orm.hibernate3.support.OpenSessionInViewFilter
  </filter-class>
 </filter>

 <filter>
  <filter-name>struts2</filter-name>
  <filter-class>
   org.apache.struts2.dispatcher.FilterDispatcher
  </filter-class>
 </filter>

 <filter-mapping>
  <filter-name>hibernateFilter</filter-name>
  <url-pattern>*.action</url-pattern>
 </filter-mapping>

 <filter-mapping>
  <filter-name>struts2</filter-name>
  <url-pattern>/*</url-pattern>
 </filter-mapping>

 <listener>
  <listener-class>
   org.springframework.web.context.ContextLoaderListener
  </listener-class>
 </listener>

 <welcome-file-list>
  <welcome-file>index.jsp</welcome-file>
 </welcome-file-list>
</web-app>
//**************************************************************************************************

三。看数据库mysql，表名Member
//**************************************************************************************************
create table Member
(
 id int(11) not null auto_increment primary key,
 name varchar(20),
 password varchar(100)
)
//**************************************************************************************************

四。看主要代码(以下以包的形式逐一列出)
1.cn.paging.action
ListMemberAction.java
//**************************************************************************************************
package cn.paging.action;

import java.util.Iterator;

import org.apache.struts2.ServletActionContext;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;

import com.opensymphony.xwork2.ActionSupport;

import cn.paging.bean.PageBean;
import cn.paging.model.Member;
import cn.paging.service.MemberService;
import cn.paging.util.HibernateUtils;

public class ListMemberAction extends ActionSupport
{
 private MemberService memberService;
 private Member member;
 private String id;
 private static int myId;//keep the id from the link
 
 public void setMemberService(MemberService memberService)
 {
  this.memberService = memberService;
 }
 
 public Member getMember()
 {
  return member;
 }

 public void setMember(Member member)
 {
  this.member = member;
 }

 private int page; //initial page,default page=1

 private PageBean pageBean; //pages information about(all records,list records in per page...)

 public int getPage()
 {
  return page;
 }

 public void setPage(int page)
 {
  this.page = page;
 }

 public PageBean getPageBean()
 {
  return pageBean;
 }

 public void setPageBean(PageBean pageBean)
 {
  this.pageBean = pageBean;
 }
 
 public String getId()
 {
  return id;
 }

 public void setId(String id)
 {
  this.id = id;
 }

 /**
  * list paged records
  * @return
  * @throws Exception
  */
 public String list() throws Exception
 {
  System.out.println("page="+page);
  //list the current page's records,3 records in a page
  this.pageBean = memberService.queryForPage(3, page);
  return SUCCESS;
 }
 
 /**
  * edit member for update
  * @return string
  * @throws Exception
  */
 public String edit() throws Exception
 {
  myId=Integer.parseInt(id);
  member = (Member)memberService.edit(Integer.parseInt(id));
  
  return SUCCESS;
 }
 
 /**
  * update member
  * @return string
  * @throws Exception
  */
 public String update() throws Exception
 {
  Member m = new Member();
  m.setId(myId);
  m.setName(member.getName());
  m.setPassword(member.getPassword());
  memberService.update(m);
  return SUCCESS;
 }
 
 /**
  * add member
  * @return string
  * @throws Exception
  */
 public String add() throws Exception
 {
  Member m = new Member();
  m.setName(member.getName());
  m.setPassword(member.getPassword());
  memberService.add(m);
  return SUCCESS;
 }
 
 
 
 /**
  * delete member
  * @return string
  * @throws Exception
  */
 public String delete()throws Exception
 {
  memberService.delete(Integer.parseInt(id));
  return SUCCESS;
  
 }

 

 
}

//**************************************************************************************************

2.cn.paging.bean
PageBean.java
//**************************************************************************************************
package cn.paging.bean;

import java.util.List;

public class PageBean
{

 private List list;

 private int allRow; //all records

 private int totalPage;

 private int currentPage;

 private int pageSize; //records in per page

 private boolean isFirstPage;

 private boolean isLastPage;

 private boolean hasPreviousPage;

 private boolean hasNextPage;

 public List getList()
 {
  return list;
 }

 public void setList(List list)
 {
  this.list = list;
 }

 public int getAllRow()
 {
  return allRow;
 }

 public void setAllRow(int allRow)
 {
  this.allRow = allRow;
 }

 public int getTotalPage()
 {
  return totalPage;
 }

 public void setTotalPage(int totalPage)
 {
  this.totalPage = totalPage;
 }

 public int getCurrentPage()
 {
  return currentPage;
 }

 public void setCurrentPage(int currentPage)
 {
  this.currentPage = currentPage;
 }

 public int getPageSize()
 {
  return pageSize;
 }

 public void setPageSize(int pageSize)
 {
  this.pageSize = pageSize;
 }

 
 /**
  * initial paging information
  */
 public void init()
 {
  this.isFirstPage = isFirstPage();
  this.isLastPage = isLastPage();
  this.hasPreviousPage = isHasPreviousPage();
  this.hasNextPage = isHasNextPage();
 }

 public boolean isFirstPage()
 {
  return currentPage == 1;
 }

 public boolean isLastPage()
 {
  return currentPage == totalPage;
 }

 public boolean isHasPreviousPage()
 {
  return currentPage != 1;
 }

 public boolean isHasNextPage()
 {
  return currentPage != totalPage;
 }

 
 public static int countTotalPage(final int pageSize, final int allRow)
 {
  int totalPage = allRow % pageSize == 0 ? allRow / pageSize : allRow
    / pageSize + 1;
  return totalPage;
 }

 
 public static int countOffset(final int pageSize, final int currentPage)
 {
  final int offset = pageSize * (currentPage - 1);
  return offset;
 }

 
 public static int countCurrentPage(int page)
 {
  
  final int curPage = (page == 0 ? 1 : page);
  return curPage;
 }
}
//**************************************************************************************************

3.cn.paging.dao
MemberDao.java
//**************************************************************************************************
package cn.paging.dao;

import java.util.List;

public interface MemberDao
{

 /**
  * query for paging
  * @param hql (string expression)
  * @return records
  */
 public List queryForPage(final String hql,final int offset,final int length);
 
 /**
  * query all records
  * @param hql (string expression)
  * @return total records
  */
 public int getAllRowCount(String hql);
 
 /**
  * update record
  * @param o (object that mapping your class's name in model)
  *
  */
 public void update(Object o);
 
 /**
  * add record
  * @param o
  */
 public void add(Object o);
 
 /**
  * delete record
  *
  * @param id (delete record by id)
  */
 public void delete(int id);
 
 /**
  * edit record for update
  * @param id (edit it by id)
  * @return object
  */
 public Object edit(int id);

}

//**************************************************************************************************

4.cn.paging.dao.impl
MemberDaoImpl.java
//**************************************************************************************************
package cn.paging.dao.impl;

import java.sql.SQLException;
import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import cn.paging.dao.MemberDao;
import cn.paging.model.Member;
import cn.paging.util.HibernateUtils;

public class MemberDaoImpl extends HibernateDaoSupport implements MemberDao
{

 /**
  * query for paging
  * @param hql (string expression)
  * @param offset (first record)
  * @param length (the quantity of record in per page)
  * @return list (for paging in a page)
  */
 public List queryForPage(final String hql, final int offset,
   final int length)
 {
  Query query = HibernateUtils.getSession().createQuery(hql);
  query.setFirstResult(offset);
  query.setMaxResults(length);
  List list = query.list();
  return list;

 }

 /**
  * query all records
  * @return the number of total records
  */
 public int getAllRowCount(String hql)
 {
  
  int result = 0;

  result = HibernateUtils.getSession().createQuery(hql).list().size();

  return result;
 }

 /**
  * edit for update
  * @param id (edit by id)
  */
 public Object edit(int id)
 {
  System.out.println("memberdaoimpl edit id=" + id);

  Query query = HibernateUtils.getSession().createQuery(
    "from Member m where m.id=:id ").setInteger("id", id);

  return query.iterate().next();

 }

 
 /**
  * update record by object
  * @param o (add record by object)
  */
 public void update(Object o)
 {

  Session session = HibernateUtils.getSession();

  Transaction tx = null;
  try
  {
   tx = session.beginTransaction();
   session.update(o);
   Member m = (Member) o;
   tx.commit();
   System.out.println("memberDoaImpl updateOrSave Object.name="
     + m.getName());
   System.out.println("memberDoaImpl updateOrSave Object.password="
     + m.getPassword());
   System.out.println("memberDoaImpl updateOrSave Object.id="
     + m.getId());
  }
  catch (HibernateException e)
  {
   e.printStackTrace();
   tx.rollback();
  }
  finally
  {
   HibernateUtils.closeSession(HibernateUtils.getSession());
  }

  System.out.println("memberDoaImpl updateOrSave success");
 }

 /**
  * add record
  * @param o (add record by object)
  */
 public void add(Object o)
 {
  Session session = HibernateUtils.getSession();
  Transaction tx = null;
  try
  {
   tx = session.beginTransaction();
   session.save(o);
   Member m = (Member) o;
   tx.commit();
   System.out.println("memberDoaImpl updateOrSave Object.name="
     + m.getName());
   System.out.println("memberDoaImpl updateOrSave Object.password="
     + m.getPassword());
   System.out.println("memberDoaImpl updateOrSave Object.id="
     + m.getId());
  }
  catch (HibernateException e)
  {
   e.printStackTrace();
   tx.rollback();
  }
  finally
  {
   HibernateUtils.closeSession(HibernateUtils.getSession());
  }

  System.out.println("memberDoaImpl add success");
  
 }
 
 /**
  * delete record
  * @param id (delete record by id)
  */
 public void delete(int id)
 {

  Session session = HibernateUtils.getSession();
  Transaction tx = null;
  try
  {
   tx = session.beginTransaction();
   //   String hql="delete from Member m where m.id=:id";
   //   int queryDelete=HibernateUtils.getSession().createQuery("delete from Member m where m.id=:id")
   //          .setInteger("id", id)
   //          .executeUpdate();

   Member m = (Member) session.get(Member.class, id);
   session.delete(m);
   tx.commit();
   System.out.println("MemberDaoImpl delete id=" + id);
  }
  catch (HibernateException e)
  {
   e.printStackTrace();
   tx.rollback();
  }
  finally
  {
   HibernateUtils.closeSession(HibernateUtils.getSession());
  }
  System.out.println("memberDoaImpl  delete");
 }

}
//**************************************************************************************************

5.cn.paging.model
Member.java
//**************************************************************************************************
package cn.paging.model;

public class Member
{
 private int id;

 private String name;

 private String password;

 public int getId()
 {
  return id;
 }

 public void setId(int id)
 {
  this.id = id;
 }

 public String getName()
 {
  return name;
 }

 public void setName(String name)
 {
  this.name = name;
 }

 public String getPassword()
 {
  return password;
 }

 public void setPassword(String password)
 {
  this.password = password;
 }
}

//**************************************************************************************************
Member.hbm.xml
//**************************************************************************************************
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="cn.paging.model.Member" table="member" catalog="test">
        <id name="id" type="java.lang.Integer">
            <column name="id" />
            <generator class="increment" />
        </id>
        <property name="name" type="java.lang.String">
            <column name="name" length="20" not-null="true" />
        </property>
        <property name="password" type="java.lang.String">
            <column name="password" length="100" />
        </property>
    </class>
</hibernate-mapping>
//**************************************************************************************************

6. cn.paging.service
MemberService.java

//**************************************************************************************************
package cn.paging.service;

import cn.paging.bean.PageBean;

public interface MemberService
{

 public PageBean queryForPage(int pageSize, int currentPage);

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