spring基于 XML 的 AOP 的前后置通知,异常通知,最终通知

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.itheima</groupId>
    <artifactId>day03_eesy_04adviceType</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.0.2.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.7</version>
        </dependency>
    </dependencies>
</project>

package com.service;
/**
 * 账户业务层的接口
 */
public interface IAccountService {
    public void saveAccount() ;
}

package com.service.impl;
import com.service.IAccountService;
/**
 * 账户的业务层实现类
 */
public class AccountServiceImpl implements IAccountService{
    public void saveAccount() {
        System.out.println("执行了保存");
        int i=1/0;
    }
}

package com.utils;
public class Logger {
    /**
     * 前置通知
     */
    public  void beforePrintLog(){
        System.out.println("前置通知Logger类中的beforePrintLog方法开始记录日志了。。。");
    }
    /**
     * 后置通知
     */
    public  void afterReturningPrintLog(){
        System.out.println("后置通知Logger类中的afterReturningPrintLog方法开始记录日志了。。。");
    }
    /**
     * 异常通知
     */
    public  void afterThrowingPrintLog(){
        System.out.println("异常通知Logger类中的afterThrowingPrintLog方法开始记录日志了。。。");
    }
    /**
     * 最终通知
     */
    public  void afterPrintLog(){
        System.out.println("最终通知Logger类中的afterPrintLog方法开始记录日志了。。。");
    }
}

<?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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd">
    <!--配置spring的ioc,把service对象配置进来-->
    <bean id="accountService" class="com.service.impl.AccountServiceImpl"></bean>
    <!--配置logger类-->
    <bean id="logger" class="com.utils.Logger"></bean>
    <!--配置AOP-->
    <aop:config>
        <!-- 配置切入点表达式 id属性用于指定表达式的唯一标识。expression属性用于指定表达式内容
              此标签写在aop:aspect标签内部只能当前切面使用。
              它还可以写在aop:aspect外面，此时就变成了所有切面可用
          -->
        <aop:pointcut id="pt1" expression="execution(* com.service.impl.*.*(..))"></aop:pointcut>
        <!--配置切面-->
        <aop:aspect id="logAdvice" ref="logger">
            <!--配置通知的类型，并且建立通知方法和切入点方法的关联-->
            <aop:before method="beforePrintLog" pointcut-ref="pt1"></aop:before>
            <aop:after-throwing method="afterThrowingPrintLog" pointcut-ref="pt1"></aop:after-throwing>
            <aop:after-returning method="afterReturningPrintLog" pointcut-ref="pt1"></aop:after-returning>
            <aop:after method="afterReturningPrintLog" pointcut-ref="pt1"></aop:after>
        </aop:aspect>
    </aop:config>
</beans>

* com.itheima.service.impl.*.*(..)

import com.service.IAccountService;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class AOPTest {
    public static void main(String[] args) {
        //1.获取容器
        ApplicationContext ac = new ClassPathXmlApplicationContext("bean.xml");
        //2.获取对象
        IAccountService as = (IAccountService)ac.getBean("accountService");
        //3.执行方法
        as.saveAccount();
    }
}