public interface IHello {
public void sayHello(String str);
}
public class Hello implements IHello {
@Override
public void sayHello(String str) {
// TODO Auto-generated method stub
System.out.println("你好"+str);
}
}
aspectBean.java
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
//引入Aspect注解，声明切面
@Aspect
public class aspectBean {
//定义为切入点
@Pointcut("execution(* hello.*(..))")
public void log() {
}
@Before(value="log()") //在切入点之前执行
public void startLog()
{
System.out.println("开始记录");
}
@After(value="log()") //在切入点之后执行
public void endLog()
{
System.out.println("结束记录");
}
}
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:aop="http://www.springframework.org/schema/aop" xmlns:p="http://www.springframework.org/schema/p" 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"> <!-- 启动aspectj --> <aop:aspectj-autoproxy/> <bean ></bean> <bean ></bean> </beans>
Maintest文件：
public static void main(String[] args) {
// TODO Auto-generated method stub
ApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml");
IHello hello=(IHello)context.getBean("he");
hello.sayHello("访客");
}
执行：