Spring 注解AOP切入点表达式排除某些方法
需求:insertUser/updateUser/deleteUser 需要开启事务,提交事务,selectUser 不需要(不增强)
切面类代码:
import org.aspectj.lang.annotation.After; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.springframework.stereotype.Component; @Component @Aspect public class UserAspect { //也可以将&&换成and都是可以使用的 @Before("execution(* com.Operation..*.*()) && !execution(* com.Operation..*.selectUser())") public void init(){ System.out.println("开启事务"); } @After("execution(* com.Operation..*.*()) && !execution(* com.Operation..*.selectUser())") public void destroy(){ System.out.println("提交事务"); } }
测试类代码:
@RunWith(SpringRunner.class) @ContextConfiguration(classes = SpringConfiguration.class) public class Test_demo { @Resource UserDao userDao; @Test public void run(){ userDao.insertUser(); System.out.println("======================"); userDao.deleteUser(); System.out.println("======================"); userDao.updateUser(); System.out.println("======================"); userDao.selectUser(); } }
UserDao代码:
@Component public class UserDao { public void insertUser(){ System.out.println("插入数据"); } public void updateUser(){ System.out.println("更新数据"); } public void deleteUser(){ System.out.println("删除数据"); } public void selectUser(){ System.out.println("查询数据"); } }
Spring配置类代码:
@Configuration @ComponentScan("com.Operation") @EnableAspectJAutoProxy public class SpringConfiguration { }
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