spring aop 完整实例

Employe.java
package com.aop;

public interface Employee {
	 public void signIn();

}

CommonEmployee.java
package com.aop;

public class CommonEmployee implements Employee{  
	  
    private String name;  
      
    public String getName() {  
        return name;  
    }  
  
    public void setName(String name) {  
        this.name = name;  
    }  
      
    public void signIn() {  
       System.out.println(name+" is very beautiful");  
    }  
}  

AspectJLogger.java
package com.aop;
import java.util.Date;  
import org.aspectj.lang.ProceedingJoinPoint;  
import org.aspectj.lang.annotation.After;  
import org.aspectj.lang.annotation.Around;  
import org.aspectj.lang.annotation.Aspect;  
import org.aspectj.lang.annotation.Before;  
  
 
@Aspect    
public class AspectJLogger {  
     
    public static final String EDP = "execution(* com.aop.CommonEmployee.sign*(..))";  
      
    @Before(EDP)    //spring中Before通知  
    public void logBefore() {  
        System.out.println("logBefore:现在时间是:"+new Date());  
    }  
      
    @After(EDP)    //spring中After通知  
    public void logAfter() {  
        System.out.println("logAfter:现在时间是:"+new Date());  
    }  
      
    @Around(EDP)   //spring中Around通知  
    public Object logAround(ProceedingJoinPoint joinPoint) {  
        System.out.println("logAround开始:现在时间是:"+new Date()); //方法执行前的代理处理  
        Object[] args = joinPoint.getArgs();  
        Object obj = null;  
        try {  
            obj = joinPoint.proceed(args);  
        } catch (Throwable e) {  
            e.printStackTrace();  
        }  
        System.out.println("logAround结束:现在时间是:"+new Date());  //方法执行后的代理处理  
        return obj;  
    }  
}  

aa.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: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-2.5.xsd" > 


<aop:aspectj-autoproxy/>   
<bean id="aspect" class="com.aop.AspectJLogger" />  
<bean id="employee" class="com.aop.CommonEmployee">  
  <property name="name" value="zouhuiying"></property>  
</bean>    

</beans>

Test.java
package com.aop;

import org.springframework.context.ApplicationContext;  
import org.springframework.context.support.ClassPathXmlApplicationContext;  
  
import com.aop.Employee;  
  
public class Test {  
    public static void main(String[] args) throws Exception{  
        ApplicationContext act = new ClassPathXmlApplicationContext("aa.xml");  
        Employee e = (Employee)act.getBean("employee");  
        e.signIn();  
          
    }  
}  

执行结果
logAround开始:现在时间是:Mon Feb 29 16:13:01 CST 2016
logBefore:现在时间是:Mon Feb 29 16:13:01 CST 2016
zouhuiying is very beautiful
logAround结束:现在时间是:Mon Feb 29 16:13:01 CST 2016
logAfter:现在时间是:Mon Feb 29 16:13:01 CST 2016