Spring Aop 简略例子

bean.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:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd           
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd           
           http://www.springframework.org/schema/aop 
           http://www.springframework.org/schema/aop/spring-aop-2.0.xsd" 
           default-autowire="byName">           
       
      <!-- 切面 -->
      <aop:aspectj-autoproxy/>
	  
      <!-- 通过注解方式实现 -->      
      <context:component-scan base-package="cn.nick.spring"></context:component-scan>        
     
</beans>

package cn.nick.spring.Inetepor;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Service;
import org.springframework.util.StopWatch;


@Aspect @Service
public class MyInetepor {
	
	@Pointcut("execution(* cn.nick.spring..*.*(..))")	
	private void anyOldTransfer(){}// 这是一个切入点
	
	@Before("anyOldTransfer()")
	public void doAccessCheck() {
		System.out.println("第一个切面练习！");
	}
	
	//环绕消息
	@Around("anyOldTransfer()")
    public Object profile(ProceedingJoinPoint pjp) throws Throwable {
        StopWatch sw = new StopWatch(getClass().getSimpleName());
        try {
            sw.start(pjp.getSignature().getName());
            return pjp.proceed();
        } finally {
            sw.stop();
            System.out.println(sw.prettyPrint());
        }
    }


}