SSM-Spring-14：Spring中默认自动代理DefaultAdvisorAutoProxyCreator

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1------------吾亦无他,唯手熟尔，谦卑若愚，好学若饥-------------

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默认自动代理DefaultAdvisorAutoProxyCreator

本处没有什么要讲的，放原代码

ISomeService接口：

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1package cn.dawn.day17atuo01;

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3/**

4 * Created by Dawn on 2018/3/8.

5 */

6public interface ISomeService {

7    public void insert();

8    public void delete();

9    public void select();

10    public void update();

11}

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SomeServiceImpl类继承上面的那个接口：

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1package cn.dawn.day17atuo01;

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3

4/**

5 * Created by Dawn on 2018/3/8.

6 */

7public class SomeServiceImpl implements ISomeService{

8

9    public void insert() {

10        System.out.println("insert ok");

11    }

12

13    public void delete() {

14        System.out.println("delete ok");

15

16    }

17

18    public void select() {

19        System.out.println("select ok");

20

21    }

22

23    public void update() {

24        System.out.println("update ok");

25

26    }

27}

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LoggerBefore类，做了前置增强

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1package cn.dawn.day17atuo01;

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3

4import org.springframework.aop.MethodBeforeAdvice;

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6import java.lang.reflect.Method;

7

8/**

9 * Created by Dawn on 2018/3/5.

10 */

11/*前置增强*/

12public class LoggerBefore implements MethodBeforeAdvice {

13    public void before(Method method, Object[] objects, Object o) throws Throwable {

14        System.out.println("日志记录");

15    }

16}

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xml配置文件中

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

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

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

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

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

6       xsi:schemaLocation="http://www.springframework.org/schema/beans

7       http://www.springframework.org/schema/beans/spring-beans.xsd

8       http://www.springframework.org/schema/aop

9       http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

10    <!--要增强的对象-->

11    <bean id="service" class="cn.dawn.day17atuo01.SomeServiceImpl"></bean>

12    <!--增强的内容-->

13    <bean id="myadvice" class="cn.dawn.day17atuo01.LoggerBefore"></bean>

14    <!--顾问-->

15    <bean id="myadvisor" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">

16        <property name="advice" ref="myadvice"></property>

17        <!--<property name="mappedNames" value="do*"></property>-->

18        <!--<property name="pattern" value=".*do.*"></property>-->

19        <property name="patterns" value=".*select.*"></property>

20    </bean>

21    <!--默认自动代理-->

22    <bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator"></bean>

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24</beans>

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必须要有顾问，没有不可以，默认自动代理里面不用实现参数，他自动匹配

单测方法：

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1package cn.dawn.day17auto01;

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4import cn.dawn.day17atuo01.ISomeService;

5import org.junit.Test;

6import org.springframework.context.ApplicationContext;

7import org.springframework.context.support.ClassPathXmlApplicationContext;

8

9/**

10 * Created by Dawn on 2018/3/3.

11 */

12public class test20180312 {

13    @Test

14    /*默认自动代理*/

15    public void t01(){

16        ApplicationContext context=new ClassPathXmlApplicationContext("ApplicationContext-day17auto01.xml");

17        ISomeService service = (ISomeService) context.getBean("service");

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19        service.select();

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21    }

22}

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