springAop基于xml的注解的配置和纯注解配置

谁借莪１个温暖的怀抱￠ 2022-10-02 07:45 197阅读 0赞

### 文章目录 ###

*  基于xml的注解配置
 *   *  配置文件
     *  people类（需要增强的类）
     *  peopleplus(增强类）
     *  测试
 *  纯注解配置
 *   *  people（要增强的类）
     *  peopleplus（增强类）
     *  config类（容器类）
     *  test类

# 基于xml的注解配置 #

## 配置文件 ##

<?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
    	xmlns:aop="http://www.springframework.org/schema/aop"
    	xmlns:context="http://www.springframework.org/schema/context"
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://www.springframework.org/schema/beans
     http://www.springframework.org/schema/beans/spring-beans.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">
     
    	<aop:aspectj-autoproxy />
    	
    	<bean id="people" class="com.xu.springannotion.aopannotion.People"></bean>
    	<bean id="peopleplus"
    		class="com.xu.springannotion.aopannotion.PeoplePlus"></bean>
    </beans>

## people类（需要增强的类） ##

public class People { 
      public void sleep() { 
    	  System.out.println("睡觉啦");
      }
    }

## peopleplus(增强类） ##

@Aspect
    public class PeoplePlus { 
    	@Before(value = "execution(* com.xu.springannotion.aopannotion.People.sleep(..))")
       public void before() { 
    	   System.out.println("洗脸");
       }
    }

## 测试 ##

public class Test { 
    	@org.junit.Test
    	public void testName() throws Exception { 
    		ApplicationContext context=new ClassPathXmlApplicationContext("com/xu/springannotion/Aopannotion.xml");
    		People people=(People) context.getBean("people");
    		people.sleep();
    	}
    }

# 纯注解配置 #

## people（要增强的类） ##

@Component
    public class People { 
    	public void sleep() { 
    		System.out.println("睡觉啦！");
    	}
    }

## peopleplus（增强类） ##

import org.aspectj.lang.annotation.Aspect;
    import org.aspectj.lang.annotation.Before;
    import org.aspectj.lang.annotation.Pointcut;
    import org.springframework.stereotype.Component;
    @Component
    @Aspect
    public class PeoplePlus { 
    	//统一配置切入点，抽取execution
    	@Pointcut(value="execution(* com.xu.springannotion.allaopannotion.People.sleep(..))")
    	public void plus() { 
    		
    	}
    	@Before("plus()")
    	public void before() { 
    		System.out.println("睡觉之前要刷牙洗脸！");
    	}
    }

## config类（容器类） ##

import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.ComponentScan;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.context.annotation.EnableAspectJAutoProxy;
    
    @Configuration
    @ComponentScan(basePackages = "com.xu.springannotion.allaopannotion")
    @EnableAspectJAutoProxy
    public class Config { 
    	@Bean(name="peo")
    	public People getpeople() { 
    		return new People();
    	}
    }

## test类 ##

import static org.junit.Assert.*;
    
    import org.springframework.context.ApplicationContext;
    import org.springframework.context.annotation.AnnotationConfigApplicationContext;
    
    public class Test { 
    	@org.junit.Test
    	public void testName() throws Exception { 
             ApplicationContext context=new AnnotationConfigApplicationContext(com.xu.springannotion.allaopannotion.Config.class);
             People people=(People) context.getBean("people");
             people.sleep();
    	}
    }