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spring aop自动代理xml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:context="http://www.springframework.org/schema/context" 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 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd "> <context:component-scan base-package="com.zr.utils"></context:component-scan> <!-- <aop:aspectj-autoproxy ></aop:aspectj-autoproxy> --> <aop:aspectj-autoproxy proxy-target-class="true"></aop:aspectj-autoproxy> <bean id="count" class="com.zr.utils.Calculate"></bean> <bean id="testAspect" class="com.zr.utils.TestAspect"></bean> <aop:config> <aop:aspect id="test" ref="testAspect"> <aop:pointcut id="calculate" expression="execution(* com.zr.utils.*.*(..))" /> <aop:before method="methodBefore" pointcut-ref="calculate"/> <aop:after method="methodAfter" pointcut-ref="calculate"/> <aop:after-returning method="methodAfterRunning" pointcut-ref="calculate" returning="result"/> <aop:after-throwing method="methodAfterThrowing" pointcut-ref="calculate" throwing="exception"/> </aop:aspect> </aop:config> </beans>
package com.zr.utils; public class Calculate implements Compute{ public int div(int num1,int num2){ System.out.println("除法"); return num1/num2; } }
package com.zr.utils; import java.util.Arrays; import org.aspectj.lang.JoinPoint; public class TestAspect { //第一个 * 代表任意修饰符及任意返回值,其中 .. 匹配任意数量的参数. public void methodBefore(JoinPoint joinpoint){ System.out.println("执行方法:"+joinpoint.getSignature().getName()+"之前"+" 参数:"+Arrays.asList(joinpoint.getArgs())); } //第一个 * 代表public修饰符下任意返回值,第一个 * 代表com.zr.utils.Calculate路径下的任意方法 public void methodAfter(JoinPoint joinpoint) { System.out.println("执行方法:"+joinpoint.getSignature().getName()+"之后"); } //匹配第一个参数为 int 类型的方法, .. 匹配任意数量任意类型的参数 public void methodAfterRunning(JoinPoint joinpoint,Object result){ System.out.println("返回结果之后执行"+",返回结果:"+result); } //匹配参数类型为 int, int 类型的方法. public void methodAfterThrowing(JoinPoint joinPoint,Exception exception){ System.out.println("异常通知, 在方法抛出异常之后执行"+",异常日志:"+exception); } }
package com.zr.utils; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class TestAop { public static void main(String[] args) { ApplicationContext ctc = new ClassPathXmlApplicationContext("context.xml"); /*Calculate calculate = (Calculate) ctc.getBean("comp");*/ Calculate c = (Calculate) ctc.getBean("count"); int result = c.div(10, 2); } }
spring aop自动代理xml配置
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