【Spring-AOP-学习笔记-3】@Before前向增强处理简单示例

项目结构

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程序代码

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HelloImpl.java

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WorldImpl.java

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定义切面类

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1. package org.crazyit.app.aspect;
3. import org.aspectj.lang.annotation.Aspect;
4. import org.aspectj.lang.annotation.Before;
6. // 定义一个切面
7. @Aspect
8. public class AuthAspect
9. {
10. // 匹配org.crazyit.app.service.impl包下所有类的、
11. // 所有方法的执行作为切入点
12. @Before("execution(* org.crazyit.app.service.impl.*.*(..))")
13. public void authority()
14. {
15. System.out.println("模拟执行权限检查");
16. }
19. }

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配置

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1. <?xml version="1.0" encoding="GBK"?>
2. <beans xmlns="http://www.springframework.org/schema/beans"
3. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4. xmlns:context="http://www.springframework.org/schema/context"
5. xmlns:aop="http://www.springframework.org/schema/aop"
6. xsi:schemaLocation="http://www.springframework.org/schema/beans
7. http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
8. http://www.springframework.org/schema/context
9. http://www.springframework.org/schema/context/spring-context-4.0.xsd
10. http://www.springframework.org/schema/aop
11. http://www.springframework.org/schema/aop/spring-aop-4.0.xsd">
12. <!-- 指定自动搜索Bean组件、自动搜索切面类 -->
13. <context:component-scan base-package="org.crazyit.app.service
14. ,org.crazyit.app.aspect">
15. <context:include-filter type="annotation"
16. expression="org.aspectj.lang.annotation.Aspect"/>
17. </context:component-scan>
18. <!-- 启动@AspectJ支持 -->
19. <aop:aspectj-autoproxy/>
20. </beans>

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测试

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链接：

《@Around增强处理简单示例》http://www.cnblogs.com/ssslinppp/p/5845659.html

《@AfterThrowing增强处理简单示例》http://www.cnblogs.com/ssslinppp/p/4633595.html 

《@AfterReturning增强处理简单示例》http://www.cnblogs.com/ssslinppp/p/4633496.html 

《@After后向增强处理简单示例》http://www.cnblogs.com/ssslinppp/p/4633427.html 

《@Before前向增强处理简单示例》 http://www.cnblogs.com/ssslinppp/default.html?page=7 

来自为知笔记(Wiz)

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