http://czj4451.iteye.com/blog/2037759

public class MyBatisTxTest {	private static SqlSessionFactory sqlSessionFactory;	private static Reader reader;	@BeforeClass	public static void setUpBeforeClass() throws Exception {		try {			reader = Resources.getResourceAsReader("Configuration.xml");			sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);		} finally {			if (reader != null) {				reader.close();			}		}	}		@Test	public void updateUserTxTest() {		SqlSession session = sqlSessionFactory.openSession(false); // 打开会话，事务开始				try {			IUserMapper mapper = session.getMapper(IUserMapper.class);			User user = new User(9, "Test transaction");			int affectedCount = mapper.updateUser(user); // 因后面的异常而未执行commit语句			User user = new User(10, "Test transaction continuously");			int affectedCount2 = mapper.updateUser(user2); // 因后面的异常而未执行commit语句			int i = 2 / 0; // 触发运行时异常			session.commit(); // 提交会话，即事务提交		} finally {			session.close(); // 关闭会话，释放资源		}	}}

 <!-- 数据源 --><bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource" lazy-init="true">    	<property name="driverClassName">			<value>org.logicalcobwebs.proxool.ProxoolDriver</value>	</property>	<property name="url">		<value>proxool.gcld</value>	</property></bean><!-- sessionFactory --><bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">	 <property name="configLocation" value="http://www.mamicode.com/classpath:mybatis-config.xml">         </property>	<property name="dataSource" ref="dataSource"/></bean><!-- 事务管理器 -->  <bean id="txManager"      class="org.springframework.jdbc.datasource.DataSourceTransactionManager">          <property name="dataSource" ref="dataSource" />  </bean>    <!-- 事务注解驱动，标注@Transactional的类和方法将具有事务性 -->  <tx:annotation-driven transaction-manager="txManager" />    <bean id="userService" class="com.john.hbatis.service.UserService" />  

@Service("userService")public class UserService {	@Autowired	IUserMapper mapper;	public int batchUpdateUsersWhenException() { // 非事务性		User user = new User(9, "Before exception");		int affectedCount = mapper.updateUser(user); // 执行成功		User user2 = new User(10, "After exception");		int i = 1 / 0; // 抛出运行时异常		int affectedCount2 = mapper.updateUser(user2); // 未执行		if (affectedCount == 1 && affectedCount2 == 1) {			return 1;		}		return 0;	}	@Transactional	public int txUpdateUsersWhenException() { // 事务性		User user = new User(9, "Before exception");		int affectedCount = mapper.updateUser(user); // 因后面的异常而回滚		User user2 = new User(10, "After exception");		int i = 1 / 0; // 抛出运行时异常，事务回滚		int affectedCount2 = mapper.updateUser(user2); // 未执行		if (affectedCount == 1 && affectedCount2 == 1) {			return 1;		}		return 0;	}}

@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations = { "classpath:beans-da-tx.xml" })public class SpringIntegrateTxTest {	@Resource	UserService userService;	@Test	public void updateUsersExceptionTest() {		userService.batchUpdateUsersWhenException();	}	@Test	public void txUpdateUsersExceptionTest() {		userService.txUpdateUsersWhenException();	}}

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<bean id="transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager">    <property name="dataSource" ref="yourDataSource" /></bean>

@Transactionalpublic void blabla(){}