spring瀛︿範涔媋op(FactoryBean浠ｇ悊)

Posted 2022-04-28

鏍囩锛?a href='http://www.mamicode.com/so/1/static' title='static'>static   user   缁撴瀯   idt   info   names   spring瀹瑰櫒   aspect   鎸囧畾   

瀹為獙缁撴瀯锛?/p>

MyAspect.java

 1 package com.itheima.factorybean;
 2 
 3 import org.aopalliance.intercept.MethodInterceptor;
 4 import org.aopalliance.intercept.MethodInvocation;
 5 
 6 //鍒囬潰绫?/span>
 7 public class MyAspect implements MethodInterceptor 
 8 
 9     @Override
10     public Object invoke(MethodInvocation arg0) throws Throwable 
11         // TODO Auto-generated method stub
12         
13         //鍓嶅寮?/span>
14         check_permission();
15         //鎵ц鐩爣鏂规硶
16         Object object=arg0.proceed();
17         //鍚庡寮?/span>
18         log();
19     
20         return object;
21     
22 
23     public void check_permission() 
24         // TODO Auto-generated method stub
25         
26         System.out.println("妯℃嫙妫€鏌ユ潈闄?);
27     
28     public void log() 
29         // TODO Auto-generated method stub
30         
31         System.out.println("妯℃嫙鏃ュ織");
32     
33 

applicationContext..xml

 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     xsi:schemaLocation="http://www.springframework.org/schema/beans
 5         http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">
 6      <!-- 鐩爣绫?-->
 7     <bean id="userDao" class="com.itheima.jdk.UserDaoImpl"></bean>
 8     <!-- 鍒囬潰绫?-->
 9     <bean id="myAspect" class="com.itheima.factorybean.MyAspect"></bean>
10     <!-- 浣跨敤spring浠ｇ悊宸ュ巶瀹氫箟涓€涓悕涓簎serDaoProxy鐨勪唬鐞嗗璞?-->
11     <bean id="userDaoProxy" class="org.springframework.aop.framework.ProxyFactoryBean">
12         <property name="proxyInterfaces" value="com.itheima.jdk.UserDao"></property>
13         <property name="target" ref="userDao"></property>
14         <property name="interceptorNames" value="myAspect"></property>
15         <property name="proxyTargetClass" value="true"></property>
16     </bean>
17 <!--     鎸囧畾浠ｇ悊瀹炵幇鐨勬帴鍙?
18     鎸囧畾鐩爣瀵硅薄
19     鎸囧畾鍒囬潰锛岀粐鍏ョ幆缁曢€氱煡
20     鎸囧畾浠ｇ悊鏂瑰紡锛宼rue锛氫娇鐢╟glib锛宖alse(榛樿)锛氫娇鐢╦dk鍔ㄦ€佷唬鐞?-->
21     
22 </beans>

ProxyFactoryBeanTest.java

 1 package com.itheima.factorybean;
 2 
 3 import org.springframework.context.ApplicationContext;
 4 import org.springframework.context.support.ClassPathXmlApplicationContext;
 5 
 6 import com.itheima.jdk.UserDao;
 7 
 8 public class ProxyFactoryBeanTest 
 9 
10     public static void main(String[] args) 
11         // TODO Auto-generated method stub
12         String xmlpathString="com/itheima/factorybean/applicationContext.xml";
13         ApplicationContext applicationContext=new ClassPathXmlApplicationContext(xmlpathString);
14         //浠巗pring瀹瑰櫒涓幏寰楀唴瀹?/span>
15         UserDao userDao=(UserDao)applicationContext.getBean("userDaoProxy");
16         userDao.addUser();
17         userDao.deleteUser();
18     
19 
20 

鎴浘锛?/p>