?

需要使用spring的包，大家自己全部導入進去即可。省4........

?

用戶管理接口

package?com.rx.spring;

public?interface?UserManager?{

????public?void?addUser(String?username,?String?password);

????

????public?void?deleteUser(int?id);

????

}

用戶管理實現

package?com.rx.spring;

public?class?UserManagerImpl?implements?UserManager?{

????public?void?addUser(String?username,?String?password)?{

????????System.out.println("-------UserManagerImpl.addUser()----------");

????}

????public?void?deleteUser(int?id)?{

????????System.out.println("-------UserManagerImpl.deleteUser()----------");

????}

}

?

切面

package?com.rx.spring;

public?class?SecurityHandler?{

????

????private?void?checkSecurity()?{

????????System.out.println("----------checkSecurity()---------------");

????}

????

}

?

applicationContext.xml內容如下：

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

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

?????????xsi:schemaLocation="http://www.springframework.org/schema/beans?http://www.springframework.org/schema/beans/spring-beans-2.0.xsd

???????????http://www.springframework.org/schema/aop?http://www.springframework.org/schema/aop/spring-aop-2.0.xsd

???????????http://www.springframework.org/schema/tx?http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

????

????<bean?id="securityHandler"?class="com.rx.spring.SecurityHandler"/>???????????

????

????<bean?id="userManager"?class="com.rx.spring.UserManagerImpl"/>

????

????<aop:config>

????????<aop:aspect?id="security"?ref="securityHandler">

????????????<aop:pointcut?id="allAddMethod"?expression="execution(*?com.rx.spring.UserManagerImpl.add*(..))"/>

????????????<aop:before?method="checkSecurity"?pointcut-ref="allAddMethod"/>

????????????<aop:after?method="checkSecurity"?pointcut-ref="allAddMethod"/>

????????</aop:aspect>

????</aop:config>???

</beans>

客戶端調用:

package?com.rx.spring;

import?org.springframework.beans.factory.BeanFactory;

import?org.springframework.context.support.ClassPathXmlApplicationContext;

public?class?Client?{

????public?static?void?main(String[]?args)?{

????????BeanFactory?factory?=?new?ClassPathXmlApplicationContext("applicationContext.xml");

????????

????????UserManager?userManager?=?(UserManager)factory.getBean("userManager");

????????

????????userManager.addUser("sd",?"123");

????????userManager.deleteUser(1);

????}

}

?

運行結果：

?

----------checkSecurity()---------------
-------UserManagerImpl.addUser()----------
----------checkSecurity()---------------
-------UserManagerImpl.deleteUser()----------

?

總結

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