AOP之通知:
通过配置spring,将通知切入在方法执行前或后,添加打印日志信息,异常信息,获取类名,方法名,参数等
1,前置通知;
2,后置通知;
3,环绕通知;
4,返回通知;
5,异常通知;
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!-- 定义通知 --> <bean id="studentServiceAspect" class="com.fx.advice.StudentServiceAspect"></bean> <!-- 定义业务类 --> <bean id="studentService" class="com.fx.service.impl.StudentServiceImpl"></bean> <!-- 业务类配置通知 --> <aop:config> <aop:aspect id="studentServiceAspect" ref="studentServiceAspect"> <!-- 切点表达式,匹配包路径下的java --> <aop:pointcut expression="execution(* com.fx.service.*.*(..))" id="businessService"/> <!-- 前置通知 --> <aop:before method="doBefore" pointcut-ref="businessService"/> <!-- 后置通知 --> <aop:after method="doAfter" pointcut-ref="businessService"/> <!-- 环绕通知 --> <aop:around method="doAround" pointcut-ref="businessService"/> <!-- 返回通知 --> <aop:after-returning method="doAfterReturning" pointcut-ref="businessService"/> <!-- 异常通知 --> <aop:after-throwing method="doAfterThrowing" pointcut-ref="businessService" throwing="ex"/> </aop:aspect> </aop:config> </beans>