Spring AOP的五种通知

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package cn.sdut.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
@Component
@Aspect
public class LoggingAspectJ {
	
	/*@Before(value="execution(public int cn.sdut.aop.ArithmeticCal.*(int, int))")
	public void beforeLogging(JoinPoint jp) {
		String methodName = jp.getSignature().getName();
		Object[] args = jp.getArgs();
		System.out.println("即将执行" + methodName  + "\t参数是：" + Arrays.toString(args));
	}
	@After("execution(public int cn.sdut.aop.ArithmeticCal.*(int, int))")
	public void afterLogging(JoinPoint jp) {
		
		String methodName = jp.getSignature().getName();
		
		System.out.println("已执行完毕" + methodName);
	}
	
	@AfterReturning(pointcut="execution(* *cn.sdut.aop.ArithmeticCal.*(..))",returning="result")
	public void returnLogging(JoinPoint jp, Object result) {
		String methodName = jp.getSignature().getName();
		System.out.println("执行方法是" + methodName  + "\t返回的结果是：" + result);
	}
	@AfterThrowing(pointcut="execution(* *cn.sdut.aop.ArithmeticCal.*(..))",throwing="e")
	public void throwLogging(JoinPoint jp, Exception e) {
		//获取方法名
				String methodName = jp.getSignature().getName();
				System.out.println("[★Logging]The method "+methodName+" 异常是 " + e);
	}*/
	@Pointcut("execution(* *cn.sdut.aop.ArithmeticCal.*(..))")
	public void pointcut() {};
	
	@Around("pointcut()")
	public Object aroundLogging(ProceedingJoinPoint pjp) {
		//获取方法名
		String methodName = pjp.getSignature().getName();
		//获取参数
		Object[] args = pjp.getArgs();
		Object result = null;
		try {
			//前置通知
			//执行方法
			result = pjp.proceed();
			//返回通知
		}catch(Throwable e) {
			//异常通知
		}finally{
			//异常通知
		}
		return result;
		
	}
}