applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<!-- 配置数据源-->
<bean id="jdbcDataSource"
class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass">
<value>oracle.jdbc.driver.OracleDriver</value>
</property>
<property name="jdbcUrl">
<value>jdbc:oracle:thin:@127.0.0.1:1521:orcl</value>
</property>
<property name="user">
<value>yft</value>
</property>
<property name="password">
<value>123</value>
</property>
<property name="initialPoolSize">
<value>5</value>
</property>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="jdbcDataSource" />
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>
<!--配置dao层 -->
<!-- <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="mapperInterface" value="com.gxa.bj.dao.imp.UserMapper"></property>
<property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
</bean> -->
<!-- mapper接口的扫描，必须扫描到接口，扫描的原则是：所有扫描进Spring的Mapper对象，它的命名规则：
首字母小写，后面的都是按照原有的接口名字定义。
比如UserMapper接口扫描到spring里，id名为userMapper
-->

<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.gxa.bj.dao.imp"></property>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>

<!-- 配置Service层 -->
<bean id="buserService" class="com.gxa.bj.service.BuserService">
<property name="buserMapper" ref="buserMapper"></property>
</bean>
<bean id="voucherService" class="com.gxa.bj.service.VoucherService">
<property name="voucherMapper" ref="voucherMapper"></property>
</bean>
<!-- 配置Action层 -->
<bean id="buserAction" class="com.gxa.bj.action.BuserAction">
<property name="buserService" ref="buserService"></property>
</bean>
<bean id="voucherAction" class="com.gxa.bj.action.VoucherAction">
<property name="voucherService" ref="voucherService"></property>
</bean>

<!-- 在spring中声明事务的配置 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="jdbcDataSource" />
</bean>
<!-- 事务增强的配置 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!-- 事务属性的配置，配置都哪些方法上 -->
<tx:attributes>
<tx:method name="get*" read-only="true"/>
<tx:method name="add*" rollback-for="Exception"/>
<tx:method name="remove*" rollback-for="Exception"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:pointcut id="serviceCut" expression="execution(public * com.gxa.bj.service.*.*(..))" />
<aop:advisor pointcut-ref="serviceCut" advice-ref="txAdvice" />
</aop:config>

</beans>