工程結構

其中AOP和com.ssm包下面的檔案不用管；dispatcher-servlet.xml和web.xml和之前專案中的內容一樣。

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:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"
 
>

    <!--自動搜尋切面類-->
    <context:component-scan base-package="AOP2"/>

    <!--啟動@AspectJ支援 預設是false-->
    <aop:aspectj-autoproxy proxy-target-class="true"/>


</beans>

Person.java

package AOP2;

import org.springframework.stereotype.Component;

/**
 * DateTime: 2016/11/2 21:35
 * 功能：
 * 思路：
 */
 


@Component
public class Person {

    public void eatBreakfast(){
        System.out.println("......eatBreakfast()早餐......");
    }

    public void eatLunch(){
        System.out.println("......eatLunch()午餐......");
    }

    public void eatSupper(){
        System.out.println("......eatSupper()晚餐......");
    }

}

AdivceMethod.java

package AOP2;

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;
import org.springframework.stereotype.Component;

/**
 * DateTime: 2016/11/2 21:40
 * 功能：
 * 思路：
 */

@Component
@Aspect
public class AdivceMethod {

    @Before("execution(* AOP2.Person.*(..))")    //匹配Person中的所有方法
    public void beforeEat(){
        System.out.println("...吃飯之前洗手...");
    }

    @After("execution(* AOP2.Person.eatLunch())")  //匹配eatLunch方法
    public void afterEat(){
        System.out.println("...吃飯之後洗碗...");
    }

    @Around("execution(* AOP2.Person.eatSupper())")  //匹配eatSupper方法
    public Object aroundEat(ProceedingJoinPoint proceedingJoinPoint) throws Throwable{
        System.out.println("........吃飯前先逛一逛........");
        Object value = proceedingJoinPoint.proceed();
        System.out.println("........吃完後要睡覺了........");
        return value;
    }


}

AopTest.java

package AOP2;

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

/**
 * DateTime: 2016/11/2 22:10
 * 功能：
 * 思路：
 */
public class AopTest {
    public static void main(String[] args) {
        ApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml");
        AOP2.Person person= (AOP2.Person) context.getBean("person");

        System.out.println();
        person.eatBreakfast();
        System.out.println();

        person.eatLunch();
        System.out.println();

        person.eatSupper();
        System.out.println();
    }
}