1.bean.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"
    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="dao.DeptDao">
        <property name="sessionFactory" ref="sessionFactory"></property>
    </bean>
    <!-- service 实例 -->
    <bean id="deptService" class="cn.itcast.service.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=http://www.mamicode.com/"com.mysql.jdbc.Driver"></property>
        <property name="jdbcUrl" value=http://www.mamicode.com/"jdbc:mysql:///hib_demo"></property>
        <property name="user" value=http://www.mamicode.com/"root"></property>
        <property name="password" value=http://www.mamicode.com/"root"></property>
        <property name="initialPoolSize" value=http://www.mamicode.com/"3"></property>
        <property name="maxPoolSize" value=http://www.mamicode.com/"10"></property>
        <property name="maxStatements" value=http://www.mamicode.com/"100"></property>
        <property name="acquireIncrement" value=http://www.mamicode.com/"2"></property>
    </bean>
    
    <!-- ###########Spring与Hibernate整合  start########### -->
    <!-- 方式一：直接加载hibernate.cfg.xml文件的方式整合   这种方式 -->
    <!-- <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <property name="configLocation" value=http://www.mamicode.com/"classpath:hibernate.cfg.xml"></property>
    </bean> -->
    
    <!-- 方式二：连接池交给Spring来生成【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 方式三：所有配置全部写到Spring配置中 -->
    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
        <!-- 连接池配置 -->
        <property name="dataSource" ref="dataSource"></property>
        <!-- hibernate常用配置会 -->
        <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 -->
        <!-- hibernate映射配置 
        <property name="mappingLocations">
            <list>
                <value>classpath:entity/*.hbm.xml</value>
            </list>
        </property>
        -->
        <property name="mappingDirectoryLocations">
            <list>
                <value>classpath:entity/</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(* service.*.*(..))" id="pt"/>
         <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/>
    </aop:config>
</beans>