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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);
            
            
        }
    }
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  • 原文地址:https://www.cnblogs.com/lantu1989/p/6296240.html
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