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Spring的AOP使用xml配置
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需要使用spring的包，大家自己全部導入進去即可。省4........
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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:???????????http:???????????http:????????<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：
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----------checkSecurity()---------------
-------UserManagerImpl.addUser()----------
----------checkSecurity()---------------
-------UserManagerImpl.deleteUser()----------
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總結
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