手动模拟Spring管理事务

Spring-Hibernate.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:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
	<!-- 使用c3p0作为数据源 -->
	<bean id="datasource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
		destroy-method="close">
		<property name="driverClass" value="oracle.jdbc.OracleDriver" />
		<property name="jdbcUrl" value="jdbc:oracle:thin:@localhost:1521:orcl" />
		<property name="user" value="scott" />
		<property name="password" value="accp" />
		<!-- 指定连接数据库连接池的最大连接数 -->
		<property name="maxPoolSize" value="20" />
		<!-- 指定连接数据库连接池的最小连接数 -->
		<property name="minPoolSize" value="1" />
		<!-- 指定连接数据库连接池的初始化连接数 -->
		<property name="initialPoolSize" value="5" />
		<!-- 指定连接数据库连接池的连接的最大空闲时间 -->
		<property name="maxIdleTime" value="20" />
	</bean>


	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean" scope="singleton">
		<property name="dataSource" ref="datasource">
		</property>
		<property name="mappingResources">
			<list>
				<value>org/han/entity/Log.hbm.xml</value>
				<value>org/han/entity/User.hbm.xml</value>
			</list>
		</property>
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.format_sql">true</prop>
				<prop key="hibernate.dialect">org.hibernate.dialect.Oracle9Dialect</prop>
				<prop key="hibernate.current_session_context_class">thread</prop>
			</props>
		</property>
	</bean>
</beans>

创建Aop拦截器：

import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.hibernate.SessionFactory;

public class LogInterceptor implements MethodInterceptor {
	
	private SessionFactory sessionFactory;
	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}
	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}
	@Override
	public Object invoke(MethodInvocation arg0) throws Throwable {
		// TODO Auto-generated method stub
		Object obj=null;
		try{
			sessionFactory.getCurrentSession().beginTransaction();
			obj = arg0.proceed();
			sessionFactory.getCurrentSession().getTransaction().commit();
		}catch(Exception e){
			sessionFactory.getCurrentSession().getTransaction().rollback();
		}
		return obj;
	}
}

配置xml：

	<bean id="loginter" class="org.han.aop.LogInterceptor">
		<property name="sessionFactory" ref="sessionFactory" />
	</bean>
	<aop:config>
		<aop:pointcut expression="execution(* org.han.service.impl.*.*(..))" id="logpoint"/>
		<aop:advisor advice-ref="loginter" pointcut-ref="logpoint"/>
	</aop:config>

使用AOP后就更充分的保证了数据的完整性，做到这里就差不多了，只需要对不同业务逻辑做事务的拦截。