Spring 3 AOP 1 简单AOP

需要添加引用：

                 < dependency >

                        < groupId >   org.springframework </ groupId   >

                        < artifactId >   spring-aop </ artifactId   >

                        < version >   ${org.springframework.version} </ version   >

                 </ dependency >

                 < dependency >

                        < groupId >   org.springframework </ groupId   >

                        < artifactId >   spring-aspects </ artifactId   >

                        < version >   ${org.springframework.version} </ version   >

                 </ dependency >

package   com.yln.spring.aop;

public   interface   IHelloWorldService {

          public   void   sayHello();

}

package   com.yln.spring.aop;

public   class   HelloWorldService   implements   IHelloWorldService {

          public   void   sayHello() {

              System.   out .println( "============Hello World!"   );

       }        

}

package   com.yln.spring.aop;

public   class   HelloWorldAspect {

          //前置通知  

      public   void   beforeAdvice() {  

        System.   out .println( "===========before advice"   );  

    }  

      //后置最终通知  

      public   void   afterFinallyAdvice() {  

        System.   out .println( "===========after finally advice"   );  

    }

}

<? 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:c =   "http://www.springframework.org/schema/c"

          xmlns:context = "http://www.springframework.org/schema/context"

          xmlns:p =   "http://www.springframework.org/schema/p"

          xmlns:tx =   "http://www.springframework.org/schema/tx"

          xmlns:aop = "http://www.springframework.org/schema/aop"

          xmlns:util = "http://www.springframework.org/schema/util"

          xsi:schemaLocation = "http://www.springframework.org/schema/beans

       http://www.springframework.org/schema/beans/spring-beans.xsd

       http://www.springframework.org/schema/context

       http://www.springframework.org/schema/context/spring-context-3.2.xsd

       http://www.springframework.org/schema/tx

       http://www.springframework.org/schema/tx/spring-tx-3.2.xsd

       http://www.springframework.org/schema/aop

       http://www.springframework.org/schema/aop/spring-aop-3.2.xsd

       http://www.springframework.org/schema/util

       http://www.springframework.org/schema/util/spring-util-3.2.xsd"   >

          < bean   id =   "helloWorldService"     class = "com.yln.spring.aop.HelloWorldService"   />  

          < bean   id =   "aspect"   class   = "com.yln.spring.aop.HelloWorldAspect" />

       

          < aop:config >     

                 < aop:pointcut   id =   "pointcut"   expression   = "execution(* com.yln..*.*(..))" />     

             < aop:aspect   ref =   "aspect" >   

                 < aop:before   pointcut-ref = "pointcut"   method = "beforeAdvice" />     

                 < aop:after   pointcut =   "execution(* com.yln..*.*(..))"   method = "afterFinallyAdvice"   />   

             </ aop:aspect >     

          </ aop:config >    

</ beans >