String 中aop的xml配置和注解法配置

一,导入相关jar包

 

二.xml方法的配置

(1).编写切入目标类

(2).编写通知类

import org.aspectj.lang.ProceedingJoinPoint;

/**
 * 
 * @author Aurora
 *   前置通知
 */
public class AspectXml {
	public void checkasp() {
		System.out.println("校验+++++======");
		
	}
/*
 * 后置通知
 */
	public void log1(Object result) {
		System.out.println("kkk"+result);
	}
	
	/*
	 *环绕通知 
	 */
	public Object aroung(ProceedingJoinPoint joinPoint) throws Throwable {
		
	System.out.println("修改商品前");
	
	//相当于执行目标方法
	Object object= joinPoint.proceed();
	
	System.out.println("修改商品后");
	return object;	
	}
}

(2).xml文件配置

<?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:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!-- bean definitions here -->
<bean id="customer" class="com.cws.spring.demo2.Customer"></bean>
<bean id="aspect1" class="com.cws.spring.demo2.AspectXml"></bean>

<aop:config>
<!-- 通过execution指向切入点 -->
<aop:pointcut expression="execution(* com.cws.spring.demo2.Customer.save(..))" id="p2"/>
<aop:pointcut expression="execution(* com.cws.spring.demo2.Customer.delete(..))" id="p3"/>
<aop:pointcut expression="execution(* com.cws.spring.demo2.Customer.update(..))" id="p4"/>

<!--  设置通知指向的类-->
<aop:aspect ref="aspect1">
<aop:before method="checkasp" pointcut-ref="p2" />
<aop:after-returning method="log1" pointcut-ref="p3" returning="result"/>
<aop:around method="aroung" pointcut-ref="p4"/>
</aop:aspect>
</aop:config>


</beans>