@Aspect
public class LogPrint {
@Pointcut("execution(* cn.itcast.service..*.*(..))")
private void anyMethod() {}//聲明一個切入點
@Before("anyMethod() && args(userName)")//定義前置通知
public void doAccessCheck(String userName) {
}
@AfterReturning(pointcut="anyMethod()",returning="revalue")//定義后置通知
public void doReturnCheck(String revalue) {
}
@AfterThrowing(pointcut="anyMethod()", throwing="ex")//定義例外通知
public void doExceptionAction(Exception ex) {
}
@After("anyMethod()")//定義最終通知
public void doReleaseAction() {
}
@Around("anyMethod()")//環繞通知
public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable {
return pjp.proceed();
}
}
基于基于XML配置方式聲明切面
public class LogPrint {
public void doAccessCheck() {}定義前置通知
public void doReturnCheck() {}定義后置通知
public void doExceptionAction() {}定義例外通知
public void doReleaseAction() {}定義最終通知
public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable {
return pjp.proceed();環繞通知
}
}
<bean id="orderservice" class="cn.itcast.service.OrderServiceBean"/>
<bean id="log" class="cn.itcast.service.LogPrint"/>
<aop:config>
<aop:aspect id="myaop" ref="log">
<aop:pointcut id="mycut" expression="execution(* cn.itcast.service..*.*(..))"/>
<aop:before pointcut-ref="mycut" method="doAccessCheck"/>
<aop:after-returning pointcut-ref="mycut" method="doReturnCheck "/>
<aop:after-throwing pointcut-ref="mycut" method="doExceptionAction"/>
<aop:after pointcut-ref="mycut" method=“doReleaseAction"/>
<aop:around pointcut-ref="mycut" method="doBasicProfiling"/>
</aop:aspect>
</aop:config>
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