Spring AOP的简单实现

package com.job4.aspect; import java.text.SimpleDateFormat; import java.util.Date; import org.aspectj.lang.JoinPoint; import org.aspectj.lang.annotation.AfterReturning; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; import org.aspectj.lang.annotation.Pointcut; import org.springframework.stereotype.Component; @Aspect @Component public class LogAspect { /** 定义切入点 */ @Pointcut("execution(public * com.job4.service.*.*(..))") public void point1() {} /** 定义通知 */ @Before("point1()") public void test1(JoinPoint jp) { System.out.println("日志开始了。。。"); System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + ", 调用了方法: " + jp.getSignature()); Object[] objs = jp.getArgs(); for(int i = 0; i<objs.length;i++ ){ System.out.println("参数"+(i+1)+"--->"+objs[i]); } } @AfterReturning("point1()") public void test2() { System.out.println("日志结束了。。。"); } }