aop注解

 1 <aop:config proxy-target-class="false">
 2          //切入点
 3          <aop:pointcut expression="execution(public * com.bdqn.service.*.*(..))" 
 4              id="myPointcut"/>
 5              //切面
 6             // ref增强处理类
 7          <aop:aspect ref="serviceLogging">
 8              //前置增强 +切入点
 9              <aop:before method="before" pointcut-ref="myPointcut"/>
10              <aop:after method="after" pointcut-ref="myPointcut"/>
11              
12              <aop:after-returning method="afterReturning" returning="rt" pointcut-ref="myPointcut"/>
13              <aop:after-throwing method="afterThrowing" throwing="ex" pointcut-ref="myPointcut"/>
14              <aop:around method="around" pointcut-ref="myPointcut"/>
15          </aop:aspect>
16      </aop:config> 

 1 @Aspect
 2 public class ServiceLogging {
 3     
 4     private Logger log = Logger.getLogger(getClass());
 5     
 6     //前置增强处理 aspect method
 7     @Before("execution(public * com.pb.bdqn.service.*.*(..))")
 8     public void before(JoinPoint jp){
 9         log.info("前置处理"+jp.getTarget().getClass().getSimpleName());
10         log.info("连接点方法"+jp.getSignature());
11         log.info("连接点方法参数"+jp.getArgs()[0]);
12     
13     }
14 }

 1 /**
 2  * 增强处理类
 3  * @author Administrator
 4  *
 5  */
 6 @Aspect
 7 public class ServiceLogging {
 8     
 9     private Logger log = Logger.getLogger(getClass());
10     //切入点
11     @Pointcut("execution(public * com.bdqn.service.*.*(..))")
12     public void myPointcut(){}
13     
14     @Before("myPointcut()")
15     //前置增强处理 aspect method
16 //    @Before("execution(public * com.pb.bdqn.service.*.*(..))")
17     public void before(JoinPoint jp){
18         log.info("前置处理"+jp.getTarget().getClass().getSimpleName());
19         log.info("连接点方法"+jp.getSignature());
20         log.info("连接点方法参数"+jp.getArgs()[0]);
21     
22     }
23     @After("myPointcut()")
24     public void after(){
25         log.info("后置处理");
26     }
27     @AfterReturning(pointcut="myPointcut()",returning="rt")
28     public void afterReturning(Object rt){
29         log.info("afterReturning后置处理"+rt);
30     }
31     @AfterThrowing(pointcut="myPointcut()",throwing="ex")
32     public void afterThrowing(Exception ex){
33         log.info("afterThrowing处理"+ex.getMessage());
34     }

1 Ioc中xml注解<context:component-scan base-package="com.bdqn.*"></context:component-scan>
2 AOP中xml注解<aop:aspectj-autoproxy></aop:aspectj-autoproxy>

1     @Around("myPointcut()")
2     public Object around(ProceedingJoinPoint pjp) throws Throwable{
3         log.info("around方法前执行");
4         Object obj = pjp.proceed();
5         log.info("around方法后执行");
6         return obj;
7     }