struts2的环绕通知

struts2中的通知就是环绕通知；
直接上代码：
beans.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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">

    <aop:aspectj-autoproxy/>
    <bean id="myInterceptor"/>
    <bean id="personService"/>
</beans>

PersonService.java

package cn.itcast.service;

/**
 *
 * @author kang.cunhua
 */
public interface PersonService {

    void save(String name);

    void update(String name, Integer personid);

    public String getPersonName(Integer personid);
}

PersonServiceBean.java

package cn.itcast.service.impl;

import cn.itcast.service.PersonService;

/**
 *
 * @author kang.cunhua
 */
public class PersonServiceBean implements PersonService {

   
    @Override
    public void save(String name) {
        //throw new RuntimeException("我爱例外！");
        System.out.println("我是save()方法！");
    }

    @Override
    public void update(String name, Integer personid) {
        System.out.println("我是update方法()方法！");
    }

    public String getPersonName(Integer personid) {
        System.out.println("我是getPersonName()方法！");
        return "xxx";
    }
}

MyInterceptor.java

package cn.itcast.aop;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

/**
 *
 * @author kang.cunhua
 */
@Aspect
public class MyInterceptor {

    @Pointcut("execution (* cn.itcast.service.impl.PersonServiceBean.*(..))")
    private void anyMethod() { // 声明一个切入点
    }

    @Before("anyMethod() && args(userName)")
    public void doAccessCheck(String userName) {
        System.out.println("前置通知触发:" + userName);
    }
    @AfterReturning(pointcut="anyMethod()",returning="result")
    public void doAfterReturning(String result) {
        System.out.println("后置通知触发:" + result);
    }
    @After("anyMethod()")
    public void doAfter() {
        System.out.println("最终通知触发！！");
    }
    @AfterThrowing(pointcut="anyMethod()",throwing="e")
    public void doAfterThrowing(Exception e) {
        System.out.println("异常通知触发:"+ e);
    }
    // 环绕通知在我们做权限时，可以大量使用到
    @Around("anyMethod()")
    public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable{
        //if () { // 判断用户是否有权限
        System.out.println("进入方法");
        Object result = pjp.proceed();// 如果不调用此方法，业务bean方法不会最终被调用；如果后续有其他切面，先执行其他切面，最后执行业务bean方法；
        System.out.println("退出方法");
        //}
        return result;
    }

}

MyInterceptorTest.java

package cn.itcast.aop;

import cn.itcast.service.PersonService;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 *
 * @author kang.cunhua
 */
public class MyInterceptorTest {

    public MyInterceptorTest() {
    }

    @BeforeClass
    public static void setUpClass() throws Exception {
    }

    /**
     * Test of doAccessCheck method, of class MyInterceptor.
     */
    @Test
    public void testDoAccessCheck() {
        ApplicationContext cxt = new ClassPathXmlApplicationContext("beans.xml");
        PersonService personService = (PersonService) cxt.getBean("personService");
        personService.save("xxx");
        System.out.println("-----------------");
        personService.getPersonName(2);
    }
}

测试结果：

2010-7-20 15:00:20 org.springframework.context.support.AbstractApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@1837697: display name [org.springframework.context.support.ClassPathXmlApplicationContext@1837697]; startup date [Tue Jul 20 15:00:20 CST 2010]; root of context hierarchy
2010-7-20 15:00:20 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [beans.xml]
2010-7-20 15:00:20 org.springframework.context.support.AbstractApplicationContext obtainFreshBeanFactory
信息: Bean factory for application context [org.springframework.context.support.ClassPathXmlApplicationContext@1837697]: org.springframework.beans.factory.support.DefaultListableBeanFactory@698403
2010-7-20 15:00:20 org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
信息: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@698403: defining beans [org.springframework.aop.config.internalAutoProxyCreator,myInterceptor,personService]; root of factory hierarchy
前置通知触发:xxx
进入方法
我是save()方法！
后置通知触发:null
最终通知触发！！
退出方法
-----------------
进入方法
我是getPersonName()方法！
后置通知触发:xxx
最终通知触发！！
退出方法