Spring基于XML实现Aop

 <dependencies>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.18</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.3.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>5.3.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>5.3.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
            <version>5.3.4</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>5.3.4</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.6</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
            <version>1.9.6</version>
        </dependency>
    </dependencies>

public interface TestDao {
    public void sayHello();
    public void save();
    public void modify();
    public void delete();
}

public class TestDaoImpl implements TestDao {
    public void sayHello() {
        System.out.println("正在执行的方法-->武汉加油！中国加油！");
    }
    public void save() {
        System.out.println("正在执行的方法-->保存");
    }
    public void modify() {
        System.out.println("正在执行的方法-->修改");
    }
    public void delete() {
        System.out.println("正在执行的方法-->删除");
    }
}

public class MyAspectXml {
    
    public void before(JoinPoint jp){
        System.out.print("前置通知：模拟权限控制   ");
        System.out.println("目标对象："+jp.getTarget()+",被增强的方法："+jp.getSignature().getName());
    }
    public void afterReturning(JoinPoint jp){
        System.out.print("后置返回通知："+"模拟删除临时文件"  );
        System.out.println(",被增强的方法"+jp.getSignature().getName());
    }
    public Object around(ProceedingJoinPoint pjp) throws Throwable {
        System.out.println("环绕开始：执行目标方法前，模拟开启事务");
        Object obj = pjp.proceed();
        System.out.println("环绕结束：执行目标方法后，模拟关闭事务");
        return obj;
    }
    public void except(Throwable throwable){
        System.out.println("异常通知："+"程序执行异常"+throwable.getMessage());
    }
    public void after(){
        System.out.println("最终通知：释放资源");
    }
}```
### 4、application.xml文件
```xml
<?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
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/aop
       https://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/context
       https://www.springframework.org/schema/context/spring-context.xsd">
    <!--
    <aop:aspectj-autoproxy />
    声明自动为spring容器中那些配置@aspectJ切面的bean创建代理，织入切面。
    proxy-target-class属性，默认为false，表示使用jdk动态代理织入增强，
    为true时： 表示使用CGLib动态代理技术织入增强。
    -->
    <aop:aspectj-autoproxy proxy-target-class="true"/>
    <bean id="testDaoImpl" class="com.dao.TestDaoImpl"/>
    <bean id="myAspectXML" class="com.aspect.MyAspectXml"/>
<!--    <bean id="myAspectXML2" class="com.aspect.MyAspectXml2"/>-->
    <!--
        补充：<aop:pointcut>如果位于<aop:aspect>元素中，则命名切点只能被当前<aop:aspect>内定义的元素访问到，
        为了能被整个<aop:config>元素中定义的所有增强访问，则必须在<aop:config>下定义切点。
    -->
    <aop:config>
        <!--切入点  execution 表达式 通过这个表达式筛选连接点 -->
        <aop:pointcut id="myPointCut" expression="execution(* com.dao.*.*(..))"/>
        <aop:aspect ref="myAspectXML">
			           <!--aop:after 是表示 这个方法是那种通知类型after 是方法之后     
           method="after" 这个after是切面类中的方法  -->
            <aop:after method="after" pointcut-ref="myPointCut"/>
            <aop:before method="before" pointcut-ref="myPointCut"/>
            <aop:after-returning method="afterReturning" pointcut-ref="myPointCut"/>
            <aop:after-throwing method="except" throwing="throwable" pointcut-ref="myPointCut"/>
            <aop:around method="around" pointcut-ref="myPointCut"/>
        </aop:aspect>
    </aop:config>
</beans>

    @Test
    public void Test(){
        ApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
        TestDao testDao = applicationContext.getBean("testDaoImpl", TestDaoImpl.class);
        testDao.save();
        
    }