public class Dept {    private int id;    private String name;    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;    }}

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE hibernate-mapping PUBLIC     "-//Hibernate/Hibernate Mapping DTD 3.0//EN"    "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"><hibernate-mapping package="cn.itcast.entity">    <class name="Dept" table="t_dept">        <id name="id" column="deptId">            <generator class="native"></generator>        </id>        <property name="name" column="deptName"></property>    </class></hibernate-mapping>

public class DeptDao {    // Spring与Hibernate整合： IOC容器注入    private SessionFactory sessionFactory;    public void setSessionFactory(SessionFactory sessionFactory) {        this.sessionFactory = sessionFactory;    }    // 保存一个记录    // Spring与Hibernate整合：事务管理交给Spring    public void save(Dept dept) {        sessionFactory.getCurrentSession().save(dept);    }}

public class DeptService {        private DeptDao deptDao;    public void setDeptDao(DeptDao deptDao) {        this.deptDao = deptDao;    }        public void save(Dept dept){        deptDao.save(dept);    }}

public class App {        // 容器    private ApplicationContext ac = new ClassPathXmlApplicationContext("bean.xml");    @Test    public void testApp() throws Exception {        DeptService deptServie = (DeptService) ac.getBean("deptService");        System.out.println(deptServie.getClass());                deptServie.save(new Dept());    }}

<?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"    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.xsd         http://www.springframework.org/schema/context         http://www.springframework.org/schema/context/spring-context.xsd         http://www.springframework.org/schema/aop         http://www.springframework.org/schema/aop/spring-aop.xsd         http://www.springframework.org/schema/tx         http://www.springframework.org/schema/tx/spring-tx.xsd">    <!-- dao 实例 -->    <bean id="deptDao" class="包名.DeptDao">        <property name="sessionFactory" ref="sessionFactory"></property>    </bean>        <!-- service 实例 -->    <bean id="deptService" class="包名.DeptService">        <property name="deptDao" ref="deptDao"></property>    </bean>        <!-- 数据源配置 -->    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">        <property name="driverClass" value="com.mysql.jdbc.Driver"></property>        <property name="jdbcUrl" value="jdbc:mysql:///hib_demo"></property>        <property name="user" value="root"></property>        <property name="password" value="root"></property>        <property name="initialPoolSize" value="3"></property>        <property name="maxPoolSize" value="10"></property>        <property name="maxStatements" value="100"></property>        <property name="acquireIncrement" value="2"></property>    </bean>        <!-- ###########Spring与Hibernate整合  start########### -->        <!-- 方式（1）直接加载hibernate.cfg.xml文件的方式整合    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">        <property name="configLocation" value="http://www.mamicode.com/classpath:hibernate.cfg.xml"></property>    </bean> 
　　-->        <!-- 方式（2）连接池交给spring管理  【一部分配置写到hibernate中，一份分在spring中完成】     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">        <property name="configLocation" value="http://www.mamicode.com/classpath:hibernate.cfg.xml"></property>        <property name="dataSource" ref="dataSource"></property>    </bean>
 　　-->        <!-- 【推荐】方式（3）所有的配置全部都在Spring配置文件中完成 -->    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">        <!-- 注入连接池对象 -->        <property name="dataSource" ref="dataSource"></property>                <!-- hibernate常用配置 -->        <property name="hibernateProperties">            <props>                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>                <prop key="hibernate.show_sql">true</prop>                <prop key="hibernate.hbm2ddl.auto">update</prop>            </props>        </property>                <!-- hibernate映射配置         <property name="mappingLocations">            <list>                <value>classpath:cn/itcast/entity/*.hbm.xml</value>            </list>        </property>        -->        <property name="mappingDirectoryLocations">            <list>                <value>classpath:拥有hibernate文件的包/</value>            </list>        </property>    </bean>                <!-- ###########Spring与Hibernate整合  end########### -->        <!-- 事务配置 -->    <!-- a. 配置事务管理器类 -->    <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">        <property name="sessionFactory" ref="sessionFactory"></property>    </bean>    <!-- b. 配置事务增强(拦截到方法后如果管理事务?) -->    <tx:advice id="txAdvice" transaction-manager="txManager">        <tx:attributes>            <tx:method name="*" read-only="false"/>        </tx:attributes>    </tx:advice>    <!-- c. Aop配置 -->    <aop:config>         <aop:pointcut expression="execution(* 包名.*.*(..))" id="pt"/>         <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/>    </aop:config>    </beans>