Spring(DI)_02_01

2025-01-21

 

 

 

INFO : org.springframework.beans.factory.xml.XmlBeanDefinitionReader - Loading XML bean definitions from class path resource [getsum.xml]
INFO : org.springframework.context.support.GenericXmlApplicationContext - Refreshing org.springframework.context.support.GenericXmlApplicationContext@32cf48b7: startup date [Tue Jan 21 21:10:33 KST 2025]; root of context hierarchy
INFO : org.springframework.beans.factory.support.DefaultListableBeanFactory - Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@757277dc: defining beans [sum]; root of factory hierarchy
더하기 >>> 330
INFO : org.springframework.context.support.GenericXmlApplicationContext - Closing org.springframework.context.support.GenericXmlApplicationContext@32cf48b7: startup date [Tue Jan 21 21:10:33 KST 2025]; root of context hierarchy
INFO : org.springframework.beans.factory.support.DefaultListableBeanFactory - Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@757277dc: defining beans [sum]; root of factory hierarchy

 

package com.spring.di01;

import org.springframework.context.support.GenericXmlApplicationContext;

public class Main {

	public static void main(String[] args) {
		
		GenericXmlApplicationContext container = 
				new GenericXmlApplicationContext("getsum.xml");
		
		GetSum getSum = (GetSum)container.getBean("sum");
		
		getSum.hap();
		
		container.close();
	}
}

 

package com.spring.di01;

import lombok.Data;

@Data
public class GetSum {
	
	private int su1;
	private int su2;
	
	
	// 비지니스 로직
	public void hap() {
		System.out.println("더하기 >>> " + (su1 + su2));
	}
}

 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	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">

	<bean id="sum" class="com.spring.di01.GetSum">
		<!-- name="su1", "su2" ==> 변수명 -->
		<property name="su1" value="200"/>
		<property name="su2" value="130"/>
	</bean>

</beans>