零配置实现Spring IoC与AOP

package com.ailianshuo.springaop.sample05;

/**
* 该类并未注解，容器不会自动管理
* @author ailianshuo
* 2017年7月27日 上午10:45:29
*/
public class Member {
public void display(){
System.out.println("显示会员对象");
}
}

package com.ailianshuo.springaop.sample05;

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  //用于表示当前类为容器的配置类，类似<beans/>
@ComponentScan(basePackages="com.ailianshuo.springaop.sample05")  //扫描的范围，相当于xml配置的结点<context:component-scan/>
@EnableAspectJAutoProxy(proxyTargetClass=true)  //自动代理，相当于<aop:aspectj-autoproxy proxy-target-class="true"></aop:aspectj-autoproxy>
public class ApplicationCfg {
//在配置中声明一个bean，相当于<bean id=getUser class="com.ailianshuo.springaop.sample05.Member"/>
@Bean
public Member getMember(){
return new Member();
}
}

package com.ailianshuo.springaop.sample05;

import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
* 零配置实现Spring IoC与AOP
* @author ailianshuo
* 2017年7月25日 下午11:42:57
*/
public class Test {

public static void main(String[] args) {
// 通过类初始化容器
ApplicationContext ctx = new AnnotationConfigApplicationContext(ApplicationCfg.class);
Math math = ctx.getBean("math", Math.class);
int n1 = 20, n2 =2;
math.add(n1, n2);
math.sub(n1, n2);
math.mut(n1, n2);
try {
math.div(n1, n2);
} catch (Exception e) {
}

Member member=ctx.getBean("getMember",Member.class);
member.display();
}

}

----------before advice----------
add
20+2=22
----------after advice----------
----------before advice----------
sub
20-2=18
----------after advice----------
----------before advice----------
mut
20X2=40
----------after advice----------
----------before advice----------
div
20/2=10
----------after advice----------
显示会员对象