Spring AOP

spring aop实例
目录：

check.java

package liu.chao;

import org.aspectj.lang.JoinPoint;

public class Check {
/**
 *     切面类
 * 
 * */
	
	public void checkValidity(){
		
		System.out.println("===验证合法性======");
	}
	
	public void addLog(JoinPoint j){
		
		System.out.println("=====添加日志======");
		Object obj[]=j.getArgs();
		for(Object o:obj){
			System.out.println(0);
		}
		System.out.println("获得方法名称;"+j.getSignature().getName());
	}
}

client.java

package liu.chao;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Client {

	public static void main(String args[]){
		
	//	BeanFactory factory=new ClassPathXmlApplicationContext("applicationContext.xml"); 
		ApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml"); 

	//	Common common1=(Common)factory.getBean("common");
		Common common1=(Common)context.getBean("common");
	//	Common common=new Common();
		common1.execute("liuchao","1234");
	}
}

common.java:

package liu.chao;

public class Common {

	
	
	
	
	public void execute(String userName,String passWord){
		System.out.println("===普通类==");
	}
}

applicationContext-aop.xml：

<?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:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
	http://www.springframework.org/schema/aop
	http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
	">
    <bean id="common" class="liu.chao.Common"/>
    <bean id="check" class="liu.chao.Check"/>
    
     <aop:config>
          <aop:aspect id="myAop" ref="check">
             <aop:pointcut id="target" 
             expression="execution(* liu.chao.Common.*(..))" />
             
             <aop:before method="checkValidity" pointcut-ref="target"/>
             <aop:after method="addLog" pointcut-ref="target"/> 
        </aop:aspect>
    
    </aop:config>
   
</beans>

applicationContext.xml:

<?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:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
	http://www.springframework.org/schema/aop
	http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
	">
  <import resource="applicationContext-aop.xml"></import>
  

 <!--     <bean id="common" class="liu.chao.Common"/>
    <bean id="check" class="liu.chao.Check"/>
    
     <aop:config>
          <aop:aspect id="myAop" ref="check">
             <aop:pointcut id="target" 
             expression="execution(* liu.chao.Common.*(..))" />
             
             <aop:before method="checkValidity" pointcut-ref="target"/>
             <aop:after method="addLog" pointcut-ref="target"/> 
        </aop:aspect>
    
    </aop:config>-->
   
</beans>