1 // 数据访问层  2 public class DeptDao {  3   4     // Spring与Hibernate整合： IOC容器注入  5     private SessionFactory sessionFactory;  6     public void setSessionFactory(SessionFactory sessionFactory) {  7         this.sessionFactory = sessionFactory;  8     }  9  10     // 保存一个记录 11     // Spring与Hibernate整合：事务管理交给Spring 12     public void save(Dept dept) { 13         sessionFactory.getCurrentSession().save(dept); 14     } 15 } 16 2. DeptService 17 public class DeptService { 18  19     private DeptDao deptDao; 20     public void setDeptDao(DeptDao deptDao) { 21         this.deptDao = deptDao; 22     } 23      24     public void save(Dept dept){ 25         deptDao.save(dept); 26     } 27 } 28  29 3. App.java  测试 30 public class App { 31      32     // 容器 33     private ApplicationContext ac = new ClassPathXmlApplicationContext("bean.xml"); 34  35     @Test 36     public void testApp() throws Exception { 37         DeptService deptServie = (DeptService) ac.getBean("deptService"); 38         System.out.println(deptServie.getClass()); 39          40         deptServie.save(new Dept()); 41     } 42 } 43 4. bean.xml 配置  【Spring管理SessionFactory的3中方式】 44 <?xml version="1.0" encoding="UTF-8"?> 45 <beans xmlns="http://www.springframework.org/schema/beans" 46     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  47     xmlns:p="http://www.springframework.org/schema/p" 48     xmlns:context="http://www.springframework.org/schema/context" 49     xmlns:aop="http://www.springframework.org/schema/aop" 50     xmlns:tx="http://www.springframework.org/schema/tx" 51     xsi:schemaLocation="http://www.springframework.org/schema/beans 52          http://www.springframework.org/schema/beans/spring-beans.xsd 53           http://www.springframework.org/schema/context 54          http://www.springframework.org/schema/context/spring-context.xsd 55          http://www.springframework.org/schema/aop 56          http://www.springframework.org/schema/aop/spring-aop.xsd 57          http://www.springframework.org/schema/tx 58           http://www.springframework.org/schema/tx/spring-tx.xsd"> 59  60     <!-- dao 实例 --> 61     <bean id="deptDao" class="cn.itcast.dao.DeptDao"> 62         <property name="sessionFactory" ref="sessionFactory"></property> 63     </bean> 64      65     <!-- service 实例 --> 66     <bean id="deptService" class="cn.itcast.service.DeptService"> 67         <property name="deptDao" ref="deptDao"></property> 68     </bean> 69      70     <!-- 数据源配置 --> 71     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> 72         <property name="driverClass" value="http://www.mamicode.com/com.mysql.jdbc.Driver"></property> 73         <property name="jdbcUrl" value="http://www.mamicode.com/jdbc:mysql:///hib_demo"></property> 74         <property name="user" value="http://www.mamicode.com/root"></property> 75         <property name="password" value="http://www.mamicode.com/root"></property> 76         <property name="initialPoolSize" value="http://www.mamicode.com/3"></property> 77         <property name="maxPoolSize" value="http://www.mamicode.com/10"></property> 78         <property name="maxStatements" value="http://www.mamicode.com/100"></property> 79         <property name="acquireIncrement" value="http://www.mamicode.com/2"></property> 80     </bean> 81      82     <!-- ###########Spring与Hibernate整合  start########### --> 83      84     <!-- 方式（1）直接加载hibernate.cfg.xml文件的方式整合 85     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> 86         <property name="configLocation" value="http://www.mamicode.com/classpath:hibernate.cfg.xml"></property> 87     </bean>    --> 88      89     <!-- 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】  90     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> 91         <property name="configLocation" value="http://www.mamicode.com/classpath:hibernate.cfg.xml"></property> 92         <property name="dataSource" ref="dataSource"></property> 93     </bean> --> 94      95     <!-- 【推荐】方式（3）所有的配置全部都在Spring配置文件中完成 --> 96     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> 97         <!-- 注入连接池对象 --> 98         <property name="dataSource" ref="dataSource"></property> 99         100         <!-- hibernate常用配置 -->101         <property name="hibernateProperties">102             <props>103                 <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>104                 <prop key="hibernate.show_sql">true</prop>105                 <prop key="hibernate.hbm2ddl.auto">update</prop>106             </props>107         </property>108         109         <!-- hibernate映射配置 110         <property name="mappingLocations">111             <list>112                 <value>classpath:cn/itcast/entity/*.hbm.xml</value>113             </list>114         </property>115         -->116         <property name="mappingDirectoryLocations">117             <list>118                 <value>classpath:cn/itcast/entity/</value>119             </list>120         </property>121     </bean>122     123     124     125     <!-- ###########Spring与Hibernate整合  end########### -->126     127     <!-- 事务配置 -->128     <!-- a. 配置事务管理器类 -->129     <bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">130         <property name="sessionFactory" ref="sessionFactory"></property>131     </bean>132     <!-- b. 配置事务增强(拦截到方法后如果管理事务?) -->133     <tx:advice id="txAdvice" transaction-manager="txManager">134         <tx:attributes>135             <tx:method name="*" read-only="false"/>136         </tx:attributes>137     </tx:advice>138     <!-- c. Aop配置 -->139     <aop:config>140          <aop:pointcut expression="execution(* cn.itcast.service.*.*(..))" id="pt"/>141          <aop:advisor advice-ref="txAdvice" pointcut-ref="pt"/>142     </aop:config>143     144 </beans>