基於全註解的AOP配置

/**
業務層接口
*/
package mu.lin.hu.service;
public interface IAcountService {
    void saveAccount();
    void updateAccount(int i);
    int deleteAccount();
}
/**
業務層實現類
*/
package mu.lin.hu.service.impl;

import mu.lin.hu.service.IAcountService;
import org.springframework.stereotype.Service;

@Service
public class AccountServiceImpl implements IAcountService {
    public void saveAccount() {
        System.out.println("執行了保存");
    }

    public void updateAccount(int i) {
        System.out.println("執行了更新 "+i);
    }

    public int deleteAccount() {
        System.out.println("執行了刪除");
        return 0;
    }
}
/**
日誌類
*/
package mu.lin.hu.util;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.stereotype.Component;

@Component//將Logger類交給IOC容器
@Aspect// 將Logger申明爲一個切面
@EnableAspectJAutoProxy//開啓AOP註解支持
public class Logger {
    public void printLog(){
        System.out.println("Logger類中的printLog執行了！");
    }
    @Around("execution(* mu.lin.hu.service.impl.AccountServiceImpl.updateAccount(..))")
    public Object log(ProceedingJoinPoint pjp){
        Object[] args = pjp.getArgs();
        Object retValue=null;
        System.out.println("執行前置通知");
        try {
            retValue=pjp.proceed(args);
            System.out.println("執行後置通知");
        }catch (Throwable e){
            System.out.println("執行異常通知");
        }finally {
            System.out.println("執行最終通知");
        }

        return retValue;
    }
}
/**
*測試類
*/
package mu.lin.hu;

import mu.lin.hu.config.SpringConfigration;
import mu.lin.hu.service.IAcountService;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test {
    public static void main(String[] args) {
        ApplicationContext applicationContext=new 			  AnnotationConfigApplicationContext(SpringConfigration.class);
        IAcountService as=applicationContext.getBean("accountServiceImpl",IAcountService.class);
        as.updateAccount(1);

    }
}