[스프링]어노테이션 실습

개발환경 

스프링 버전 : Spring Tool Suite 3.9.11 

JDK 1.8

톰켓 : 8.5

2021.05.17 - [분류 전체보기] - 스프링 다운로드 /STS 다운로드 (3.9.14 v 다운받기)서블릿/JDK 8 호환

스프링 다운로드 /STS 다운로드 (3.9.14 v 다운받기)서블릿/JDK 8 호환

2021.03.29 - [JAVA/JAVA(자바)설치 및 툴 이용(ECLIPSE)] - [JAVA] 자바 설치 및 환경 하기 JDK 1.8 버전/ 8버전

[JAVA] 자바 설치 및 환경 하기 JDK 1.8 버전/ 8버전

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package ex01.di.annot;

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

public class MainEntry {
	public static void main(String[] args) {
		ApplicationContext ctx = 
				new ClassPathXmlApplicationContext("ex01/di/annot/appCtx.xml");
		
		MonitorViewer viewer = ctx.getBean("m", MonitorViewer.class);
		//viewer.getRecorder();
		
		//viewer.recorderMethodPrint();
	}
}

 

package ex01.di.annot;

import org.springframework.beans.factory.annotation.Autowired;

public class MonitorViewer {
	
	//@Autowired  // 1. 멤버필드에 설정 가능
	private Recorder recorder; //멤버변수

	@Autowired  // 2. setter method 설정 가능
	public void setRecorder(Recorder recorder) {  // DI
		this.recorder = recorder;
		System.out.println("222 setter method success!!");
	}
	
	// 3. 생성자 함수에 설정 가능
	
	//@Autowired  // 4. 일반 메소드에 설정 가능
	public void recorderMethod(Recorder recorder) {
		this.recorder = recorder;
		System.out.println("recorderMethod() autowired");
	}
	
	public Recorder getRecorder() {
		System.out.println("getRecorder() call~~");
		return recorder;
	}
	
	public void recorderMethodPrint() {
		System.out.println("method 주입 : " + this.recorder);
	}
	
	
	
}

 

 

appCtx.xml

<?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-4.3.xsd">
	<!-- appCtx.xml -->
	
	<context:annotation-config />
	<!-- <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" /> -->
	
	<bean class="ex01.di.annot.Recorder" id="r1" />
	
	<bean class="ex01.di.annot.MonitorViewer" id="monitorViewer"  name="m, m2" />


</beans>

 

2021.05.26 - [[Spring] 스프링 프래임워크] - [스프링]Spring //@Autowired / 어노테이션 방식

[스프링]Spring //@Autowired / 어노테이션 방식

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