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2 1------------吾亦无他,唯手熟尔,谦卑若愚,好学若饥-------------
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名称自动代理生成器:BeanNameAutoProxyCreator
为了更好的测试,我放了俩个接口,俩个实现类:
ISomeService接口:
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12 1package cn.dawn.day18auto02;
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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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它的实现类:SomeServiceImpl
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28 1package cn.dawn.day18auto02;
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4/**
5 * Created by Dawn on 2018/3/8.
6 */
7public class SomeServiceImpl implements ISomeService {
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9 public void insert() {
10 System.out.println("insert ok");
11 }
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13 public void delete() {
14 System.out.println("delete ok");
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16 }
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18 public void select() {
19 System.out.println("select ok");
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21 }
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23 public void update() {
24 System.out.println("update ok");
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26 }
27}
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IBookService接口:
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9 1package cn.dawn.day18auto02;
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3/**
4 * Created by Dawn on 2018/3/12.
5 */
6public interface IBookService {
7 public void selectAllBooks();
8}
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它的实现类:BookServiceImpl
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11 1package cn.dawn.day18auto02;
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3/**
4 * Created by Dawn on 2018/3/12.
5 */
6public class BookServiceImpl implements IBookService {
7 public void selectAllBooks() {
8 System.out.println("selectbooks ok");
9 }
10}
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一个增强的
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17 1package cn.dawn.day18auto02;
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4import org.springframework.aop.MethodBeforeAdvice;
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6import java.lang.reflect.Method;
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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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29 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.day18auto02.SomeServiceImpl"></bean>
12 <bean id="bookservice" class="cn.dawn.day18auto02.BookServiceImpl"></bean>
13 <!--增强的内容-->
14 <bean id="myadvice" class="cn.dawn.day18auto02.LoggerBefore"></bean>
15 <!--顾问-->
16 <bean id="myadvisor" class="org.springframework.aop.support.RegexpMethodPointcutAdvisor">
17 <property name="advice" ref="myadvice"></property>
18 <!--<property name="mappedNames" value="do*"></property>-->
19 <!--<property name="pattern" value=".*do.*"></property>-->
20 <property name="patterns" value=".*e.*"></property>
21 </bean>
22 <!--名称自动代理生成器-->
23 <bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
24 <property name="beanNames" value="service,bookservice"></property>
25 <property name="interceptorNames" value="myadvisor"></property>
26 </bean>
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28</beans>
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此处没有顾问是不行的,名称自动代理生成器BeanNameAutoProxyCreator中的beanNames的值是String类型的数组,所以可以放多个目标对象,用逗号隔开即可
单测方法:
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24 1package cn.dawn.day18auto02;
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4import org.junit.Test;
5import org.springframework.context.ApplicationContext;
6import org.springframework.context.support.ClassPathXmlApplicationContext;
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8/**
9 * Created by Dawn on 2018/3/3.
10 */
11public class test20180312 {
12 @Test
13 /*aop代理工厂bean异常增强*/
14 public void t01(){
15 ApplicationContext context=new ClassPathXmlApplicationContext("ApplicationContext-day18auto02.xml");
16 ISomeService service = (ISomeService) context.getBean("service");
17 IBookService bookservice = (IBookService) context.getBean("bookservice");
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19 service.select();
20 bookservice.selectAllBooks();
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22 }
23}
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