Spring aop 简单总结
先用jdk,cglib模拟下:
使用JDK动态代理
//当目标类实现了接口,我们可以使用jdk的Proxy来生成代理对象。
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<beans xmlns="http://www.springframework.org/schema/beans"
? ? ? ?xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
? ? ? ?xmlns:context="http://www.springframework.org/schema/context"?
? ? ? ?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/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
? ? ? ? ? ?http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
? ? ? ? <aop:aspectj-autoproxy/>?
? ? ? ? <bean id="myInterceptor" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" 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/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd"> <aop:aspectj-autoproxy/> <bean id="personService" ref="aspetbean"> <aop:pointcut id="mycut" expression=" execution(* cn.zyj19.service..*.*(..))"/> <aop:before pointcut-ref="mycut" method="doAccessCheck"/> <aop:after-returning pointcut-ref="mycut" method="doAfterReturning"/> <aop:after-throwing pointcut-ref="mycut" method="doAfterThrowing"/> <aop:after pointcut-ref="mycut" method="doAfter"/> <aop:around pointcut-ref="mycut" method="doBasicProfiling"/> </aop:aspect> </aop:config></beans>
?package cn.zyj19.service;
package junit.test19;import org.junit.BeforeClass;import org.junit.Test;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import cn.zyj19.service.PersonService;public class SpringAOPTest {@BeforeClasspublic static void setUpBeforeClass() throws Exception {}@Test public void interceptorTest(){ApplicationContext cxt = new ClassPathXmlApplicationContext("beans.xml");PersonService personService = (PersonService)cxt.getBean("personService");personService.save("xx");}}??
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