package aspect2;

import java.lang.reflect.Method;

import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

/**
 * @author zhuc
 *
 */
@Aspect
@Component
public class Aspect2 {

    @Pointcut(value = "@annotation(aspect2.Log)")
    private void pointCut() {

    }

    @After(value = "pointCut()")
    public void doAfter() throws ClassNotFoundException {
        Class cls = Class.forName("aspect2.Service");
        Method[] method = cls.getMethods();

        for (int i = 0; i < method.length; i++) {
            boolean otherFlag = method[i].isAnnotationPresent(Log.class);
            if (otherFlag) {
                Log log = method[i].getAnnotation(Log.class);
                System.out.println(log.desc());
            }
        }
        System.out.println("doAfter......");
    }
}

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package aspect2;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @author zhuc
 *
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface Log {
    String desc() default "";
}

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package aspect2;

/**
 * @author zhuc
 *
 */
public class Service {

    @Log(desc = "添加Log")
    public void addLog(String name) {
        System.out.println(name);
    }
}

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aspect2.xml：?

<?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"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd   
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd   
           http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
	
	<context:component-scan base-package="aspect2" />
	<aop:aspectj-autoproxy />
	
	<bean id="service" class="aspect2.Service" />

</beans>

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package aspect2;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * @author zhuc
 *
 */
public class Test {

    /**
     * @param args
     */
    public static void main(String[] args) {
        ApplicationContext ac = new ClassPathXmlApplicationContext(
                "aspect2/aspect2.xml");
        Service s = (Service) ac.getBean("service");
        s.addLog("新的日志");
    }

}

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运行结果：

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新的日志
添加Log
doAfter......