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    kingpub
    

    海內存知己，博客若比鄰
    

     
    
			
    
				
					
	
    
		
    
			實戰Struts+Spring+Hibernate
		
    
		
		
    實戰Struts+Spring+Hibernate
    
		
    經過幾天在網上的搜索，查看了關于Struts、Spring、Hibernate的文章，在實際的使用后得到了一些體會。鑒于很多資料不全或較舊，特寫下一篇較為完整的實戰指南，包括主要程序類和配置文件。
    
		
    一、準備篇
    ?實戰前需準備以下開發組件（都是目前最新版本）。
    ?1、Struts 1.2.9，從www.apache.org網站可下載。
    ?2、spring-framework-1.2.8，從www.springframework.org網站可下載。
    ?3、Hibernate 3.1.3，從www.hibernate.org網站可下載。
    ?4、Tomcat 5.0.28，從www.apache.org網站可下載。
    ?
    二、程序篇
    ?java包我們建立如下結構
    ?hibernate存放hibernate相關類
    ?impl存放service實現類
    ?interfaces存放接口類
    ?player存放struts相關類
    ?
    1、Hiberate相關類(HBM、PO)可以使用工具直接生成，這里不再列出
    
		
    2、IPlayerDAO.java 持久層的接口類
    
		
    
				public interface IPlayerDAO
    {
    ?public abstract List findTop(final int count);
    ?public abstract TblPlayer findById(String id);
    }    
		
    
		
    
				
    3、TblPlayerDAO.java 持久層的接口的實現類，HibernateDaoSupport提供了對Hibernate良好的支持，下例的兩個方法顯示了HibernateTemplate的兩種最常用的方法。
    
		
    public class TblPlayerDAO extends HibernateDaoSupport implements IPlayerDAO
    {
    ?public List findTop(final int count)
    ?{
    ??return (List) getHibernateTemplate().execute(new HibernateCallback()
    ??{
    ???public Object doInHibernate(Session session) throws HibernateException
    ???{
    ????Query q = session.createQuery("select player from TblPlayer player order by player.Id");
    ????q.setFirstResult(0);
    ????q.setMaxResults(count);
    ????return q.list();
    ???}
    ??});
    ?}
    
		
    ?public TblPlayer findById(String id)
    ?{
    ??return (TblPlayer) getHibernateTemplate().get(TblPlayer.class, id);
    ?}
    }
    
		
    4、IPlayerService 業務層接口類
    
		
    public interface IPlayerService
    {
    ?public abstract void setPlayerDAO(IPlayerDAO playerDAO);
    ?public abstract List findTop(final int count);
    ?public abstract TblPlayer findById(String id);
    }
    
		
    5、PlayerServiceImpl 業務層接口實現類
    public class PlayerServiceImpl implements IPlayerService
    {
    ?IPlayerDAO playerDAO = null;
    ?
    ?public void setPlayerDAO(IPlayerDAO playerDAO)
    ?{
    ??this.playerDAO = playerDAO;
    ?}
    ?
    
		
    ?public List findTop(final int count)
    ?{
    ??return playerDAO.findTop(count);
    ?}
    ?
    ?public TblPlayer findById(String id)
    ?{
    ??TblPlayer player = playerDAO.findById(id);
    ??return player;
    ?}
    }
    
		
    6、PlayerAction.java
    public class PlayerAction extends Action
    {
    ?private IPlayerService playerService;
    ?
    ?public void setPlayerService(IPlayerService playerService)
    ?{??
    ??this.playerService = playerService;
    ?}
    ?
    ??? public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response)
    ??? {
    ??? ?PlayerForm form = (PlayerForm)actionForm;
    ??? ?try
    ??? ?{??? ??
    ??? ??TblPlayer player = playerService.findById(form.getPlayer().getId());
    ??? ??request.setAttribute("player",player);
    ??? ?}
    ??? ?catch(Exception e)
    ??? ?{
    ??? ??request.setAttribute("errorMsg","選手未找到");
    ??? ??log.error(e,e);
    ??? ?}
    ??? ?return mapping.findForward("ViewDetail");
    ??? }
    }
    
		
    7、PlayerForm
    public class PlayerForm extends ActionForm
    {
    ?static final long serialVersionUID = -9073943177741915925L;
    ?TblPlayer player = new TblPlayer();
    ?public TblPlayer getPlayer()
    ?{
    ??return player;
    ?}
    ?public void setPlayer(TblPlayer player)
    ?{
    ??this.player = player;
    ?}
    ?
    }
    
		
    三、配置篇
    1、web.xml
    <?xml version="1.0" encoding="ISO-8859-1"?>
    
		
    <!DOCTYPE web-app
    ? PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
    ? "
		
    <web-app>
    ? <display-name>Tour Web Application</display-name>
    ? <context-param>
    ? ?<param-name>contextConfigLocation</param-name>
    ? ?<param-value>/WEB-INF/applicationContext-hibernate.xml</param-value>
    ? </context-param>? 
    ?
    ? <filter>
    ??? ?<filter-name>CharacterEncoding</filter-name>
    ??? ?<filter-class>com.lutong.CharsetFilter</filter-class>
    ? </filter>
    ??? 
    ? <filter>
    ??? ?<filter-name>OpenSessionInViewFilter</filter-name>
    ??? ?<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
    ? </filter> 
    ? 
    ? <filter-mapping>
    ??? ?<filter-name>CharacterEncoding</filter-name>
    ??? ?<servlet-name>action</servlet-name>
    ? </filter-mapping> 
    ?
    ? <filter-mapping>
    ??? ?<filter-name>OpenSessionInViewFilter</filter-name>
    ??? ?<url-pattern>/*</url-pattern>
    ? </filter-mapping> 
    ?
    ? <servlet>
    ??? <servlet-name>WebLog</servlet-name>
    ??? <servlet-class>com.kehaoinfo.log.WebLog</servlet-class>
    ??? <init-param>
    ????? <param-name>log4j-init-file</param-name>
    ????? <param-value>/WEB-INF/classes/log4j.properties</param-value>
    ??? </init-param>
    ??? <load-on-startup>1</load-on-startup>
    ? </servlet>
    ? 
    ? <servlet>
    ??? <servlet-name>SpringContextServlet</servlet-name>
    ??? <servlet-class>org.springframework.web.context.ContextLoaderServlet</servlet-class>
    ??? <load-on-startup>2</load-on-startup>
    ? </servlet>
    ? 
    ? <!-- Standard Action Servlet Configuration (with debugging) -->
    ? <servlet>
    ??? <servlet-name>action</servlet-name>
    ??? <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    ??? <init-param>
    ????? <param-name>config</param-name>
    ????? <param-value>/WEB-INF/struts-config.xml</param-value>
    ??? </init-param>
    ??? <init-param>
    ????? <param-name>debug</param-name>
    ????? <param-value>2</param-value>
    ??? </init-param>
    ??? <init-param>
    ????? <param-name>detail</param-name>
    ????? <param-value>2</param-value>
    ??? </init-param>
    ??? <load-on-startup>3</load-on-startup>
    ? </servlet>
    
		
    
				
    ? <!-- Standard Action Servlet Mapping -->
    ? <servlet-mapping>
    ??? <servlet-name>action</servlet-name>
    ??? <url-pattern>*.do</url-pattern>
    ? </servlet-mapping>
    
		
    
				
    ? <!-- The Usual Welcome File List -->
    ? <welcome-file-list>
    ??? <welcome-file>index.jsp</welcome-file>
    ? </welcome-file-list>
    
		
    
				
    ? <!-- Struts Tag Library Descriptors -->
    ? <taglib>
    ??? <taglib-uri>/tags/struts-bean</taglib-uri>
    ??? <taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
    ? </taglib>
    
		
    ? <taglib>
    ??? <taglib-uri>/tags/struts-html</taglib-uri>
    ??? <taglib-location>/WEB-INF/struts-html.tld</taglib-location>
    ? </taglib>
    
		
    ? <taglib>
    ??? <taglib-uri>/tags/struts-logic</taglib-uri>
    ??? <taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
    ? </taglib>
    
		
    ? <taglib>
    ??? <taglib-uri>/tags/struts-nested</taglib-uri>
    ??? <taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
    ? </taglib>
    
		
    ? <taglib>
    ??? <taglib-uri>/tags/struts-tiles</taglib-uri>
    ??? <taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
    ? </taglib>
    
		
    ? <taglib>
    ??? <taglib-uri>/tags/spring</taglib-uri>
    ??? <taglib-location>/WEB-INF/spring.tld</taglib-location>
    ? </taglib>
    ? 
    </web-app>
    
		
    2、applicationContext-hibernate.xml
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "    
		
    <!--
    ? - Root application context for the Countries application.
    ? - Web-specific beans are defined in "countries-servlet.xml".
    ? -->
    <beans>?
    ?<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">?
    ??<property name="driverClassName" value="net.sourceforge.jtds.jdbc.Driver"/>
    ??<property name="url" value="jdbc:jtds:sqlserver://192.167.0.107:1433/tour;charset=gb2312"/>
    ??<property name="username" value="sa"/>
    ??<property name="password" value=""/>
    ?</bean>
    ?
    ?<bean id="mySessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    ??<property name="mappingResources">
    ???<list>
    ????<value>com/lutong/tour/hibernate/hbm/TblPlayer.hbm</value>
    ???</list>
    ??</property>
    ??
    ??<property name="hibernateProperties">
    ???<props>
    ????<prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop>
    ????<prop key="hibernate.show_sql">true</prop>
    ????<prop key="hibernate.cglib.use_reflection_optimizer">true</prop>
    ???</props>
    ??</property>
    ??
    ??<property name="dataSource"><ref bean="myDataSource"/></property>
    ?</bean>
    ?
    ?<bean id="myTransactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
    ??<property name="sessionFactory"><ref local="mySessionFactory"/></property>
    ?</bean>
    ?
    ?<!-- ExceptionTranslator? -->
    ?<bean id="jdbcExceptionTranslator" class="org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator">
    ??<property name="dataSource"><ref bean="myDataSource"/></property>
    ?</bean>
    ?
    ?<!-- Hibernate Template? -->
    ?<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
    ??<property name="sessionFactory"><ref bean="mySessionFactory"/></property>
    ??<property name="jdbcExceptionTranslator"><ref bean="jdbcExceptionTranslator"/></property>
    ?</bean>
    ?
    ?<!-- baseTransactionProxy -->
    ?<bean id="baseTransactionProxy" abstract="true" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
    ??<property name="transactionManager"><ref bean="myTransactionManager"/></property>
    ??<property name="proxyTargetClass"><value>true</value></property>?
    ??<property name="transactionAttributes">
    ???<props>
    ????<prop key="save*">PROPAGATION_REQUIRED</prop>
    ????<prop key="update*">PROPAGATION_REQUIRED</prop>
    ????<prop key="delete*">PROPAGATION_REQUIRED</prop>
    ????<prop key="submit*">PROPAGATION_REQUIRED</prop>
    ????<prop key="get*">PROPAGATION_REQUIRED,readOnly</prop>
    ????<prop key="find*">PROPAGATION_REQUIRED,readOnly</prop>
    ????<prop key="*">PROPAGATION_REQUIRED,readOnly</prop>
    ???</props>
    ??</property>
    ?</bean>?
    ?
    ?<!-- DAO implements -->
    ?<bean id="playerDAO" class="com.lutong.tour.hibernate.dao.TblPlayerDAO">
    ??<property name="sessionFactory"><ref bean="mySessionFactory"/></property>
    ?</bean>
    ?
    ?<!-- Service implements -->
    ?<bean id="playerService" class="com.lutong.tour.impl.PlayerServiceImpl">
    ??<property name="playerDAO"><ref bean="playerDAO"/></property>
    ?</bean>
    ?
    ?<!-- ProxyFaction -->?
    ?<bean id="playerManager" parent="baseTransactionProxy">
    ??<property name="target"><ref local="playerService"/></property>??
    ?</bean>
    </beans>
    
		
    3、applicationContext-struts.xml
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "    
		
    <beans>??
    ?<bean name="/player" class="com.lutong.tour.player.PlayerAction" singleton="false">?
    ??<property name="playerService"><ref bean="playerManager"/></property>??
    ?</bean>
    </beans>
    
		
    4、struts-config.xml
    <?xml version="1.0" encoding="ISO-8859-1" ?>
    
		
    <!DOCTYPE struts-config PUBLIC
    ????????? "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN"
    ????????? "    
		
    <struts-config>
    
		
    
				
    <!-- ================================================ Form Bean Definitions -->
    
		
    ??? <form-beans>
    ??? ?<form-bean name="playerForm" type="com.lutong.tour.player.PlayerForm" /> 
    ??? </form-beans>
    
		
    
				
    <!-- ========================================= Global Exception Definitions -->
    
		
    ??? <global-exceptions>
    ??????? <!-- sample exception handler
    ??????? <exception
    ??????????? key="expired.password"
    ??????????? type="app.ExpiredPasswordException"
    ??????????? path="/changePassword.jsp"/>
    ??????? end sample -->
    ??? </global-exceptions>
    
		
    
				
    <!-- =========================================== Global Forward Definitions -->
    
		
    ??? <global-forwards>
    ??????? <!-- Default forward to "Welcome" action -->
    ??????? <!-- Demonstrates using index.jsp to forward -->
    ??????? <forward name="error" path="/message.jsp" />??? 
    ??? ?<forward name="message" path="/message.jsp" />
    ??? ?<forward name="PlatLogout" path="/web/logout.jsp" />
    ??? </global-forwards>
    
		
    
				
    <!-- =========================================== Action Mapping Definitions -->
    
		
    ??? <action-mappings>
    ?<action
    ???name="playerForm"
    ???path="/player"
    ???type="org.springframework.web.struts.DelegatingActionProxy"
    ??????????? scope="request"
    ???validate="true">
    ???<forward
    ????name="ViewDetail"
    ????path="/playerDetail.jsp"/>
    ?</action>
    ??? </action-mappings>
    
		
    ??? <controller processorClass="org.apache.struts.tiles.TilesRequestProcessor"/>
    
		
    ??? <message-resources parameter="MessageResources" />
    
		
    
				
    ??? <plug-in className="org.apache.struts.tiles.TilesPlugin" >
    
		
    ????? <!-- Path to XML definition file -->
    ????? <set-property property="definitions-config"
    ?????????????????????? value="/WEB-INF/tiles-defs.xml" />
    ????? <!-- Set Module-awareness to true -->
    ????? <set-property property="moduleAware" value="true" />
    ??? </plug-in>
    
		
    
				
    ? <plug-in className="org.apache.struts.validator.ValidatorPlugIn">
    ??? <set-property
    ??????? property="pathnames"
    ??????? value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
    ? </plug-in>? 
    ? 
    ? <plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
    ??? <set-property
    ??????? property="contextConfigLocation"
    ??????? value="/WEB-INF/applicationContext-struts.xml"/>
    ? </plug-in>
    ? 
    </struts-config>
    
		
    ?
    

		
    
			posted on 2006-06-11 15:42 xiaofeng 閱讀(190) 評論(0)  編輯  收藏  
		
    
	
    
	
	


	


    
	    
    




    





    


    

	
    
		
    
				
		
	
		
    
		
		
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