package com.xk.spring.kp04_aop.aop.s02_annotation;

public interface IStudentService {

    public void save(Student stu);

    public void update(Student stu);

}

package com.xk.spring.kp04_aop.aop.s02_annotation;

import org.springframework.stereotype.Service;

@Service

public class StudentServiceImpl implements IStudentService {

    @Override

    public void save(Student stu) {

        System.out.println("调用Dao的save方法....");

    }

    @Override

    public void update(Student stu) {

        System.out.println("调用Dao的update方法...");

        /*@SuppressWarnings("unused")

        int i = 10/0;*/

    }

}

package com.xk.spring.kp04_aop.aop.s02_annotation;

import org.aspectj.lang.ProceedingJoinPoint;

import org.aspectj.lang.annotation.After;

import org.aspectj.lang.annotation.AfterReturning;

import org.aspectj.lang.annotation.AfterThrowing;

import org.aspectj.lang.annotation.Around;

import org.aspectj.lang.annotation.Aspect;

import org.aspectj.lang.annotation.Before;

import org.aspectj.lang.annotation.Pointcut;

import org.springframework.stereotype.Component;

//自定义切面

@Aspect

@Component //一般写在工具类上面

public class TransactionManager {

    @Pointcut("execution(* com.xk.spring.kp04_aop.aop.s02_annotation.*Service.*(..))")

    public void stuService(){}//此方法名为execution表达式的别名,即id="";

    /**

     * 事物开始

     */

    @Before("stuService()")//

    public void begin(){

        System.out.println("TransactionManager.begin()");

    }

    /**

     * 事物提交

     */

    @AfterReturning("stuService()")

    public void commit(){

        System.out.println("TransactionManager.commit()");

    }

    /**

     * 事物回滚

     */

    @AfterThrowing(value = "stuService()",throwing = "e")

    public void rollback(Throwable e){

        System.out.println("TransactionManager.rollback()");

        System.out.println("rollback()");

    }

    /**

     * 事物结束

     */

    @After("stuService()")

    public void finished(){

        System.out.println("TransactionManager.close()");

    }

    @Around("stuService()")

    public void all(ProceedingJoinPoint point){

        try {

            begin();

            point.proceed();//此处有连接,必须写,不然执行到此将不再向下执行

            commit();

        } catch (Throwable e) {

            rollback(e);

        }finally{

            finished();

        }

    }

}

package com.xk.spring.kp04_aop.aop.s02_annotation;

public class Student {

    private String name;

    private Integer age;

    public Student() {

    }

    public Student(String name, Integer age) {

        this.name = name;

        this.age = age;

    }

    public String getName() {

        return name;

    }

    public void setName(String name) {

        this.name = name;

    }

    public Integer getAge() {

        return age;

    }

    public void setAge(Integer age) {

        this.age = age;

    }

    @Override

    public String toString() {

        return "Student [name=" + name + ", age=" + age + "]";

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:context="http://www.springframework.org/schema/context"

    xmlns:aop="http://www.springframework.org/schema/aop"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    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">

     <!-- 自动生成代理 -->

    <aop:aspectj-autoproxy />

    <!-- 指定IOC扫描的包 -->

    <context:component-scan

                base-package="com.xk.spring.kp04_aop.aop.s02_annotation"/>

</beans>

package com.xk.spring.kp04_aop.aop.s02_annotation;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.test.context.ContextConfiguration;

import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)

@ContextConfiguration

public class AOPAnnoationTest {

    @Autowired

    IStudentService seriver;

    @Test

    public void testAOPXML() throws Exception {

        seriver.save(new Student("张三", 18));

        seriver.update(new Student("张4", 18));

    }

}