http://www.oschina.net/code/snippet_246557_9205

@Before是在所拦截方法执行之前执行一段逻辑。
@After 是在所拦截方法执行之后执行一段逻辑。
@Around是可以同时在所拦截方法的前后执行一段逻辑。

 

package com.itsoft.action;
 
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.stereotype.Controller;
 
/**
  *
  * @author zxf
  * 演示aop测试类
  */
@Controller
public class UserAction {
     
     public void queryUsers(){
         
         System.out.println( "查询所有用户【all users list】" );
     }
     
     public static void main(String[] args) {
         
         ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext( "application-aop.xml" );
         
         UserAction userAction = (UserAction)ctx.getBean( "userAction" );
         userAction.queryUsers();
         
         ctx.destroy();
     }
}


--------------------------------------------------------------------------

@Aspect
@Component
public class LogIntercept {
     
     @Pointcut ( "execution(public * com.itsoft.action..*.*(..))" )
     public void recordLog(){}
     
     
     @Before ( "recordLog()" )
     public void before() {
         this .printLog( "已经记录下操作日志@Before 方法执行前" );
     }
     
     @Around ( "recordLog()" )
     public void around(ProceedingJoinPoint pjp) throws Throwable{
         this .printLog( "已经记录下操作日志@Around 方法执行前" );
         pjp.proceed();
         this .printLog( "已经记录下操作日志@Around 方法执行后" );
     }
     
     
     @After ( "recordLog()" )
     public void after() {
         this .printLog( "已经记录下操作日志@After 方法执行后" );
     }
     
     
     private void printLog(String str){
         System.out.println(str);
     }
}

-------------------------------

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"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"
       xsi:schemaLocation="
        http: //www.springframework.org/schema/context
        http: //www.springframework.org/schema/context/spring-context-3.0.xsd
        http: //www.springframework.org/schema/beans
        http: //www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http: //www.springframework.org/schema/aop
        http: //www.springframework.org/schema/aop/spring-aop-3.0.xsd">
    
     package = "com.itsoft" />