Spring AOP 執行順序。
阿新 • • 發佈:2018-12-04
兩個不同優先順序aop是攔截登入方法,執行順序。
package com.leusysm.mgr.interceptor; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.annotation.After; import org.aspectj.lang.annotation.AfterReturning; import org.aspectj.lang.annotation.AfterThrowing; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.aspectj.lang.annotation.Pointcut; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.core.annotation.Order; import org.springframework.stereotype.Component; /** * @author zhouhaiming Email:
[email protected] * @date 2018/11/21 10:51 */ @Component @Aspect @Order(-3) public class MessageQueueAopAspect1 { private static final Logger LOG = LoggerFactory.getLogger(MessageQueueAopAspect1.class); @Pointcut("execution(public * com.leusysm.mgr.controller.CasController.login(..))") private void pointCutMethod() { } //宣告前置通知 @Before("pointCutMethod()") public void doBefore(JoinPoint point) { LOG.info("MessageQueueAopAspect1:doBefore"); return; } //聲明後置通知 @AfterReturning(pointcut = "pointCutMethod()", returning = "returnValue") public void doAfterReturning(JoinPoint point,Object returnValue) { LOG.info("MessageQueueAopAspect1:doAfterReturning"); } //宣告例外通知 @AfterThrowing(pointcut = "pointCutMethod()", throwing = "e") public void doAfterThrowing(Exception e) { LOG.info("MessageQueueAopAspect1:doAfterThrowing"); } //宣告最終通知 @After("pointCutMethod()") public void doAfter() { LOG.info("MessageQueueAopAspect1:doAfter"); } //宣告環繞通知 @Around("pointCutMethod()") public Object doAround(ProceedingJoinPoint pjp) throws Throwable { LOG.info("MessageQueueAopAspect1:doAround-1"); Object obj = pjp.proceed(); LOG.info("MessageQueueAopAspect1:doAround-2"); return obj; } }
package com.leusysm.mgr.interceptor;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
/**
* @author zhouhaiming Email: [email protected]
* @date 2018/11/21 10:53
*/
@Component
@Aspect
@Order(-4)
public class MessageQueueAopAspect2{
private static final Logger LOG = LoggerFactory.getLogger(MessageQueueAopAspect2.class);
@Pointcut("execution(public * com.leusysm.mgr.controller.CasController.login(..))")
private void pointCutMethod() {
}
//宣告前置通知
@Before("pointCutMethod()")
public void doBefore(JoinPoint point) {
LOG.info("MessageQueueAopAspect2:doBefore");
return;
}
//聲明後置通知
@AfterReturning(pointcut = "pointCutMethod()", returning = "returnValue")
public void doAfterReturning(JoinPoint point,Object returnValue) {
LOG.info("MessageQueueAopAspect2:doAfterReturning");
}
//宣告例外通知
@AfterThrowing(pointcut = "pointCutMethod()", throwing = "e")
public void doAfterThrowing(Exception e) {
LOG.info("MessageQueueAopAspect2:doAfterThrowing");
}
//宣告最終通知
@After("pointCutMethod()")
public void doAfter() {
LOG.info("MessageQueueAopAspect2:doAfter");
}
//宣告環繞通知
@Around("pointCutMethod()")
public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
LOG.info("MessageQueueAopAspect2:doAround-1");
Object obj = pjp.proceed();
LOG.info("MessageQueueAopAspect2:doAround-2");
return obj;
}
}
根據order的不同執行順序不一樣。下面是兩個aop的執行順序,order越小優先順序越高。
2018-12-04 10:03:39.864 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect2 -MessageQueueAopAspect2:doAround-1
2018-12-04 10:03:39.865 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect2 -MessageQueueAopAspect2:doBefore
2018-12-04 10:03:39.865 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect1 -MessageQueueAopAspect1:doAround-1
2018-12-04 10:03:39.865 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect1 -MessageQueueAopAspect1:doBefore
2018-12-04 10:03:40.232 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect1 -MessageQueueAopAspect1:doAround-2
2018-12-04 10:03:40.232 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect1 -MessageQueueAopAspect1:doAfter
2018-12-04 10:03:40.232 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect1 -MessageQueueAopAspect1:doAfterReturning
2018-12-04 10:03:40.232 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect2 -MessageQueueAopAspect2:doAround-2
2018-12-04 10:03:40.232 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect2 -MessageQueueAopAspect2:doAfter
2018-12-04 10:03:40.232 [qtp1523196930-47] INFO c.g.l.m.i.MessageQueueAopAspect2 -MessageQueueAopAspect2:doAfterReturning