spring.xml内容如下:
<?xml version="1.0" encoding="UTF-8"?>
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-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/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
">
<!-- 配置C3P0连接池,目的:管理数据库连接 -->
<bean id="comboPooledDataSourceID" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.mysql.jdbc.Driver"/>
<property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/data"/>
<property name="user" value="root"/>
<property name="password" value="root"/>
<!-- <property name="driverClass" value="oracle.jdbc.driver.OracleDriver"/>
<property name="jdbcUrl" value="jdbc:oracle:thin:@127.0.0.1:1521:orcl"/>
<property name="user" value="scott"/>
<property name="password" value="tiger"/> -->
</bean>
<!-- 配置SqlSessionFactoryBean,目的:加载mybaits配置文件和映射文件,即替代原Mybatis工具类的作用 -->
<bean id="sqlSessionFactoryBeanID" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:mybatis.xml"/>
<property name="dataSource" ref="comboPooledDataSourceID"/>
</bean>
<!-- 配置Mybatis的事务管理器,即因为Mybatis底层用的是JDBC事务管事器,所以在这里依然配置JDBC事务管理器 -->
<bean id="dataSourceTransactionManagerID" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="comboPooledDataSourceID"/>
</bean>
<!-- 配置事务通知,即让哪些方法需要事务支持 -->
<tx:advice id="tx" transaction-manager="dataSourceTransactionManagerID">
<tx:attributes>
<tx:method name="*" propagation="REQUIRED"/>
</tx:attributes>
</tx:advice>
<!-- 配置事务切面,即让哪些包下的类需要事务 --> <!-- 错误写法:execution(*cn.it.jzl.dao.*.*(..)) 把第一个*后的空格给省了-->
<aop:config>
<aop:pointcut id="pointcut" expression="execution(* cn.it.jzl.daoImpl.*.*(..))"/>
<aop:advisor advice-ref="tx" pointcut-ref="pointcut"/>
</aop:config>
<bean id="answerDaoID" class="cn.it.jzl.daoImpl.AnswerDaoImpl">
</bean>
<bean id="answerServiceID" class="cn.it.jzl.serviceImpl.AnswerServiceImpl">
<property name="answerDao" ref="answerDaoID"></property>
</bean>
<bean name="/hello.action" class="cn.it.jzl.actionImpl.AnswerActionImpl">
<property name="answerService" ref="answerServiceID"></property>
</bean>
</beans>