整合struts2+hibernate3+spring2.5

整合Struts2+Spring2.5+Hibernate3

web.xml<位于WEB-INF目录下>
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
 xmlns="http://java.sun.com/xml/ns/j2ee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
 http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

 <!-- 指定spring的配置文件，默认从web根目录寻找配置文件，我们可以通过spring提供的classpath:前缀指定从类路径下寻找 -->
 <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:beans.xml</param-value>
 </context-param>
 <!-- 对Spring容器进行实例化 -->
 <listener>
       <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
 </listener>

   <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
   </filter-mapping>

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

Spring+Hibernate配置文件<位于SRC目录下>
<?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:context="http://www.springframework.org/schema/context"
       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-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
 <context:component-scan base-package="cn.itcast"/>
 
 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
  <property name="driverClass" value="org.gjt.mm.mysql.Driver"/>
  <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ssh2?useUnicode=true&amp;characterEncoding=UTF-8"/>
  <property name="user" value="root"/>
  <property name="password" value="123456"/>
  <!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
  <property name="initialPoolSize" value="1"/>
  <!--连接池中保留的最小连接数。-->
  <property name="minPoolSize" value="1"/> 
  <!--连接池中保留的最大连接数。Default: 15 -->
  <property name="maxPoolSize" value="300"/>
  <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
  <property name="maxIdleTime" value="60"/> 
  <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
  <property name="acquireIncrement" value="5"/> 
  <!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
  <property name="idleConnectionTestPeriod" value="60"/>
 </bean>
 <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
  <property name="dataSource" ref="dataSource"/>
   <property name="mappingResources">
       <list>
         <value>zyq/User.hbm.xml</value>
       </list>
  </property>
   <property name="hibernateProperties">
    <value>
         hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
         hibernate.hbm2ddl.auto=update
         hibernate.show_sql=false
         hibernate.format_sql=false
     </value>
   </property>
 </bean>
 <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
  <property name="sessionFactory" ref="sessionFactory"/>
 </bean>
 <!--使用基于注解方式配置事务 -->
 <tx:annotation-driven transaction-manager="txManager"/>
</beans>

User.hbm.xml<放在SRC目录下>
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
 "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
   <class name="com.zyq.domain.model.User" table="t_user">
        <id name="username" length="20"/>
        <property name="password" length="20" not-null="true"/>
        <property name="gender" length="5" not-null="true">
            <type name="org.hibernate.type.EnumType">
                <param name="enumClass">com.zyq.domain.model.Gender</param>
                <!-- 12为java.sql.Types.VARCHAR常量值,即保存枚举的字面值到数据库,如果不指定type参数,则保存枚举的索引值(从0开始)到数据库 -->
                <param name="type">12</param>
            </type>
        </property>       
    </class>
</hibernate-mapping>

//采用注解配置事务
import java.util.List;

import javax.annotation.Resource;

import org.hibernate.SessionFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import cn.itcast.bean.Employee;
import cn.itcast.service.EmployeeService;

@Service @Transactional
public class EmployeeServiceBean implements EmployeeService{
 @Resource SessionFactory factory;

 public void delete(String... usernames) {
  for(String username : usernames){
   factory.getCurrentSession().delete(factory.getCurrentSession().load(Employee.class, username));
  }
 }

 @Transactional(propagation=Propagation.NOT_SUPPORTED)
 public Employee find(String username) {
  return (Employee)factory.getCurrentSession().get(Employee.class, username);
 }

 @SuppressWarnings("unchecked")
 @Transactional(propagation=Propagation.NOT_SUPPORTED)
 public List<Employee> list() {  
  return factory.getCurrentSession().createQuery("from Employee").list();
 }
   
 public void save(Employee employee) {
  factory.getCurrentSession().persist(employee);
 }

 public void update(Employee employee) {
  factory.getCurrentSession().merge(employee);
 }

}

 

一般建议件hibernate配置文件和spring配置文件分开
hibernate.cfg.xml<位于SRC目录下>
<!DOCTYPE hibernate-configuration PUBLIC
 "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
 "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost/netshop</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.connection.password">root</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="hibernate.show_sql">true</property>
        <property name="hibernate.hbm2ddl.auto">update</property>
       
 <mapping resource="com/zyq/domain/model/Category.hbm.xml"/>
        <mapping resource="com/zyq/domain/model/Product.hbm.xml"/>
        <mapping resource="com/zyq/domain/model/User.hbm.xml"/>
        <mapping resource="com/zyq/domain/model/Order.hbm.xml"/>
 <mapping resource="com/zyq/domain/model/Manager.hbm.xml"/>       
    </session-factory>
</hibernate-configuration>

spring配置文件
applicationContext.xml<位于SRC目录下>
<?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:context="http://www.springframework.org/schema/context"
       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-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
     
     <!-- 配置SessionFactory -->
     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
         <property name="configLocation">
             <value>classpath:hibernate.cfg.xml</value>
         </property>
     </bean>
    
     <!-- 配置事务管理器 -->
     <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory">
           <ref bean="sessionFactory"/>
        </property>
     </bean>
    
    <!--  哪些类和哪些方法 -->
     <aop:config>
        <aop:pointcut expression="execution(* com.zyq.service*.*(..))" id="service"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="service"/>
     </aop:config>
    
     <!-- 基于XML文件方式配置事务传播性  -->
     <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
           <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
     </tx:advice>
</beans>

struts.xml<位于SRC目录下>
<?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>
 <!-- 默认的视图主题 -->
    <constant name="struts.ui.theme" value="simple" />
         <!-- 使用Spring的对象工厂类去代替Struts的对象工厂类 -->
  <constant name="struts.objectFactory" value="spring" />

  <package name="employee" namespace="/employee" extends="struts-default">
  <action name="list" class="employeeAction">
   <result name="list">/WEB-INF/page/employee.jsp</result>
  </action>
  
  <action name="manage_*" class="employeeManageAction" method="{1}">
   <result name="add">/WEB-INF/page/employeeAdd.jsp</result>
   <result name="message">/WEB-INF/page/message.jsp</result>
  </action>
  </package>
</struts>