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 {
          
   
}
经验分享 程序员 微信小程序 职场和发展