spring标签Component

 

1.<?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:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!--开启注解-->

<context:annotation-config/>

<!--注解的位置-->

<context:component-scan base-package="SpringTestIOC.impl"/> </beans>

2.
package SpringTestIOC.impl;

import SpringTestIOC.service.AxeIntl;
import org.springframework.stereotype.Component;

@Component
public class SteelAxe implements AxeIntl {
    @Override
    public String chop() {
        return "钢斧砍柴好快！";
    }
}

3.使用
ApplicationContext ctx = new ClassPathXmlApplicationContext("SpringTestIOC/config/spring_bean.xml");
AxeIntl p = ctx.getBean(AxeIntl.class);