package com.mengma.aspectj.xml;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;

//切面类
public class MyAspect {
// 前置通知
public void myBefore(JoinPoint joinPoint) {
System.out.print("前置通知，目标：");
System.out.print(joinPoint.getTarget() + "方法名称:");
System.out.println(joinPoint.getSignature().getName());
}

// 后置通知
public void myAfterReturning(JoinPoint joinPoint) {
System.out.print("后置通知，方法名称：" + joinPoint.getSignature().getName());
}

// 环绕通知
public Object myAround(ProceedingJoinPoint proceedingJoinPoint)
throws Throwable {
System.out.println("环绕开始"); // 开始
Object obj = proceedingJoinPoint.proceed(); // 执行当前目标方法
System.out.println("环绕结束"); // 结束
return obj;
}

// 异常通知
public void myAfterThrowing(JoinPoint joinPoint, Throwable e) {
System.out.println("异常通知" + "出错了" + e.getMessage());
}

// 最终通知
public void myAfter() {
System.out.println("最终通知");
}
}

<?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">
<!--目标类 -->
<bean id="customerDao" class="com.mengma.dao.CustomerDaoImpl" />
<!--切面类 -->
<bean id="myAspect" class="com.mengma.aspectj.xml.MyAspect"></bean>
<!--AOP 编程 -->
<aop:config>
<aop:aspect ref="myAspect">
<!-- 配置切入点，通知最后增强哪些方法 -->
<aop:pointcut expression="execution ( * com.mengma.dao.*.* (..))"
id="myPointCut" />
<!--前置通知，关联通知 Advice和切入点PointCut -->
<aop:before method="myBefore" pointeut-ref="myPointCut" />
<!--后置通知，在方法返回之后执行，就可以获得返回值returning 属性 -->
<aop:after-returning method="myAfterReturning"
pointcut-ref="myPointCut" returning="returnVal" />
<!--环绕通知 -->
<aop:around method="myAround" pointcut-ref="myPointCut" />
<!--抛出通知：用于处理程序发生异常，可以接收当前方法产生的异常 -->
<!-- *注意：如果程序没有异常，则不会执行增强 -->
<!-- * throwing属性：用于设置通知第二个参数的名称，类型Throwable -->
<aop:after-throwing method="myAfterThrowing"
pointcut-ref="myPointCut" throwing="e" />
<!--最终通知：无论程序发生任何事情，都将执行 -->
<aop:after method="myAfter" pointcut-ref="myPointCut" />
</aop:aspect>
</aop:config>
</beans>

package com.mengma.aspectj.xml;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.mengma.dao.CustomerDao;

public class XMLTest {
@Test
public void test() {
String xmlPath = "com/mengma/aspectj/xml/applicationContext.xml";
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
xmlPath);
// 从spring容器获取实例
CustomerDao customerDao = (CustomerDao) applicationContext
.getBean("customerDao");
// 执行方法
customerDao.add();
}
}