SSM[spring] 基于注解的AOP使用

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示例代码

[AccountServiceImp]
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package com.gphper.Imp;

import com.gphper.IAccountService;
import org.springframework.stereotype.Service;

@Service("accountService")
public class AccountServiceImp implements IAccountService {
    @Override
    public void saveAccount() {
        System.out.println("保存账号成功");
    }

    @Override
    public void updateAccount(int i) {
        System.out.println("更新账号id"+i);
    }

    @Override
    public void deleteAccount() {
        System.out.println("删除账号成功");
    }
}

[LogUtil]
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package com.gphper.utils;

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

@Component("log")
@Aspect
public class LogUtil {

    @Pointcut("execution(* *..*.*(..))")
    public void ptr1(){};
    public void printLog(){
        System.out.println("打印日志输出········");
    }

    @Around("ptr1()")
    public Object aroundNotify(ProceedingJoinPoint pjp){

        Object valObj = null;
        try {
            Object[] args = pjp.getArgs();
            System.out.println("通知前····");
            valObj = pjp.proceed(args);
            System.out.println("通知后····");
        }catch (Throwable e){

        }

        return valObj;
    }
}

[bean.xml]
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<?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:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
           https://www.springframework.org/schema/beans/spring-beans.xsd
           http://www.springframework.org/schema/aop
           http://www.springframework.org/schema/aop/spring-aop.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context.xsd">

    <context:component-scan base-package="com.gphper"></context:component-scan>

    <aop:aspectj-autoproxy></aop:aspectj-autoproxy>
</beans>
[Test.java]
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package com.test;

import com.gphper.IAccountService;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class ApoTest {

    public static void main(String[] args) {

        ApplicationContext ac = new ClassPathXmlApplicationContext("bean.xml");

        IAccountService as = (IAccountService)ac.getBean("accountService");

        as.saveAccount();

    }


}

Spring中的事务处理