xml实现的spring-aop

 1 package spring.aop2;
 2 
 3 public interface Arithmetic {
 4 
 5     Integer add(Integer a, Integer b);
 6     Integer sub(Integer a, Integer b);
 7     Integer div(Integer a, Integer b);
 8 
 9 
10 }

 1 package spring.aop2;
 2 
 3 import org.springframework.stereotype.Component;
 4 
 5 @Component
 6 public class ArithmeticImpl implements Arithmetic {
 7 
 8     @Override
 9     public Integer add(Integer a, Integer b) {
10         System.out.println("add -> "+(a+b));
11         return a+b;
12     }
13 
14     @Override
15     public Integer sub(Integer a, Integer b) {
16         System.out.println("sub -> "+(a-b));
17         return a-b;
18     }
19 
20     @Override
21     public Integer div(Integer a, Integer b) {
22         System.out.println("div -> "+(a/b));
23         return a/b;
24     }
25 
26 
27 }

 1 package spring.aop2;
 2 
 3 import org.aspectj.lang.JoinPoint;
 4 import org.aspectj.lang.annotation.*;
 5 import org.springframework.core.annotation.Order;
 6 import org.springframework.stereotype.Component;
 7 
 8 import java.util.Arrays;
 9 import java.util.List;
10 
11 
12 public class aspect {
13 
14 
15     public void beforeMethod(JoinPoint joinPoint){
16         String methodName = joinPoint.getSignature().getName();
17         List

 1 package spring.aop2;
 2 
 3 import org.aspectj.lang.JoinPoint;
 4 import org.aspectj.lang.annotation.Aspect;
 5 import org.aspectj.lang.annotation.Before;
 6 import org.springframework.core.annotation.Order;
 7 import org.springframework.stereotype.Component;
 8 
 9 import java.util.Arrays;
10 
11 public class VliAspect {
12 
13     public void validateArgs(JoinPoint joinPoint){
14 
15         System.out.println("validateArgs -> "+ Arrays.asList(joinPoint.getArgs()));
16     }
17 }

 1 xml version="1.0" encoding="UTF-8"?>
 2 beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4        xmlns:p="http://www.springframework.org/schema/p"
 5        xmlns:context="http://www.springframework.org/schema/context"
 6        xmlns:aop="http://www.springframework.org/schema/aop"
 7        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
 8        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
 9        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
10 
11     
12     aop:aspectj-autoproxy proxy-target-class="true" />
13 
14     
15     bean id="arithmeticImpl" class="spring.aop2.ArithmeticImpl"/>
16 
17     
18     bean id="vliAspect" class="spring.aop2.VliAspect"/>
19     bean id="aspect" class="spring.aop2.aspect"/>
20 
21     
22     aop:config>
23         
24         aop:pointcut id="pointcut" expression="execution(* spring.aop2.*.*(..))"/>
25         
26         aop:aspect ref="aspect" order="2">
27             aop:before method="beforeMethod" pointcut-ref="pointcut"/>
28             aop:after method="afterMethod" pointcut-ref="pointcut"/>
29             aop:after-throwing method="afterThrowing" pointcut-ref="pointcut" throwing="e"/>
30             aop:after-returning method="afterReturning" pointcut-ref="pointcut" returning="result"/>
31 
32         aop:aspect>
33         aop:aspect ref="vliAspect" order="1">
34             aop:before method="validateArgs" pointcut-ref="pointcut"/>
35         aop:aspect>
36     aop:config>
37 
38 
39 
40 beans>

 1 package spring.aop2;
 2 
 3 import org.springframework.context.ApplicationContext;
 4 import org.springframework.context.support.ClassPathXmlApplicationContext;
 5 
 6 public class Main {
 7 
 8     public static void main(String[] args){
 9 
10         ApplicationContext ac = new ClassPathXmlApplicationContext("classpath:aop2.xml");
11         Arithmetic proxy = ac.getBean("arithmeticImpl",ArithmeticImpl.class);
12         proxy.add(3,5);
13         System.out.println("-----------------------");
14         proxy.sub(3,0);
15         System.out.println("-----------------------");
16         proxy.div(3,0);
17         System.out.println("-----------------------");
18     }
19 }