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Published 2023. 8. 12. 02:13
스프링 di 취준 note 2023/spring
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      <java />
    
package org.doit.ik;

import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 * Handles requests for the application home page.
 */
@Controller
public class HomeController {
	
	private static final Logger logger = LoggerFactory.getLogger(HomeController.class);
	
	/**
	 * Simply selects the home view to render by returning its name.
	 */
	@RequestMapping(value = "/", method = RequestMethod.GET)
	public String home(Locale locale, Model model) {
		logger.info("Welcome home! The client locale is {}.", locale);
		
		Date date = new Date();
		DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale);
		
		String formattedDate = dateFormat.format(date);
		
		model.addAttribute("serverTime", formattedDate );
		
		return "home"; //web-inf/view/home.jsp
	}
	
}

 

 


      

      

      

    

    

      <java />
    
package org.doit.ik.di;

public interface Record {

	//1. 총점을 구해서 반환하는 메서드 추상메서드 2개 
	int total();
	//2. 평균을 구해서 반환하는 메서드
	double avg();
	
	
	
	
}

 

 


      

      

      

    

    

      <java />
    
package org.doit.ik.di;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class RecordImpl implements Record{
         //성적처리하는 객체
   
   private int kor;
   private int eng;
   private int mat;

   @Override
   public int total() {
      return kor + eng + mat;
   }

   @Override
   public double avg() {
      return total() / 3.0;
   }
   
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di;

 


public interface RecordView {

	//성적 입력 메서드
	void input();
	//성적 출력 메서드
	void output();
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di;

import java.util.Scanner;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class RecordViewImpl implements RecordView{

	/* private RecordImpl record = new RecordImpl(); */
		private RecordImpl record = null;
	
	
	@Override
	public void input() {
								
		try(Scanner scanner = new Scanner(System.in)){
			System.out.printf(">kor,eng,mat input?");

			int kor = scanner.nextInt();
			int eng = scanner.nextInt();
			int mat = scanner.nextInt();

			this.record.setKor(kor);
			this.record.setEng(eng);
			this.record.setMat(mat);

		} catch (Exception e) {
			e.printStackTrace();
		}



	}


	@Override
	public void output() {
		// TODO Auto-generated method stub
		System.out.printf("kor =%d, eng =%d, mat=%d,tot=%d, avg=%2f\n",

				this.record.getKor(),
				this.record.getEng(),
				this.record.getMat(),
				this.record.total(),
				this.record.avg()
				);

	}


}

      

      

      

    

    

      <java />
    
package org.doit.ik.di.test;

import org.doit.ik.di.Record;
import org.doit.ik.di.RecordImpl;
import org.doit.ik.di.RecordViewImpl;

public class Ex01 {

	public static void main(String[] args) {
		//org/doik.di 패키지
		//Record.java 인터페이스
		//RecordImpl.java 
		//RecordView.java 
		//RecordViewImpl.java 
		RecordImpl record = new RecordImpl();
		
		
		
		//setter DI
		RecordViewImpl rvi= new RecordViewImpl();
		//						생성자 DI
		//RecordViewImpl rvi = new RecordViewImpl(record);
		
		rvi.setRecord(record);
		rvi.input(); //성적입력
		rvi.output();//성적출략
		System.out.println("END");
		
	}
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di.test;

import org.doit.ik.di.RecordViewImpl;
import org.springframework.context.support.GenericXmlApplicationContext;

public class Ex02 {

	public static void main(String[] args) {
		/* 
		 * 1.스프링 객체 생성+조립-> 스프링 컨테이너
		 * 2. 2가지 방법
		 * xml 파일    
		 * src/main/resources/application-context.xml 추가 
		 * java 파일 
		 * 
		 *  */
		String resouceLocations ="application-context.xml";
		GenericXmlApplicationContext ctx = new GenericXmlApplicationContext(resouceLocations);
		
		//공장에서 가져와야함
		RecordViewImpl rvi =(RecordViewImpl) ctx.getBean("rvi");
		
		rvi.input(); //성적입력
		rvi.output();//성적출략
		System.out.println("END");
		
		
		
	}//main

}

      

      

      

    

    

      <java />
    
package org.doit.ik.di2;

import org.doit.ik.di.RecordImpl;
import org.doit.ik.di.RecordViewImpl;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

//application-context.xml // 자바클래스 설정 파일


@Configuration
public class Config {

	
	
		@Bean
		public RecordImpl record() {
			return new RecordImpl();
		}
		
		/*
		 * <bean id="rvi" class="org.doit.ik.di.RecordViewImpl"> <constructor-arg
		 * ref="record"></constructor-arg>
		 * 
		 * <!-- <property name="record" ref="record"></property> --> <!-- setter
		 * <property name="record" > <ref bean ="record"/>
		 * 
		 * 
		 * </property> -->
		 * 
		 * <!-- <property name="setrecord" ref="개체record"></property> -->
		 * 
		 * </bean>
		 */
	//유지보수가 필요함
		
		
		@Bean(name = "rvi")
		public RecordViewImpl getRecordViewImpl() {
			RecordViewImpl rvi = new RecordViewImpl();
			rvi.setRecord(record());
			return  rvi;
		}
		
		
		
		
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di2.test;

import org.doit.ik.di.RecordViewImpl;
import org.doit.ik.di2.Config;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;

public class Ex03 {

	public static void main(String[] args) {
		/* 
		 * 1.스프링 객체 생성+조립-> 스프링 컨테이너
		 * 2. 2가지 방법
		 * xml 파일    
		 * src/main/resources/application-context.xml 추가 
		 * java 파일 
		 * 
		 *  */

		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
			Config.class);
		
		//공장에서 가져와야함
	
		
		
		//RecordViewImpl rvi =(RecordViewImpl) ctx.getBean("getRecordViewImpl");

		RecordViewImpl rvi =(RecordViewImpl) ctx.getBean("rvi");//Bean name=
		rvi.input(); //성적입력
		rvi.output();//성적출략
		System.out.println("END");
		
		
		
		

		
	}//main


	
	
}

 

 

 


      

      

      

    

    

      <java />
    
package org.doit.ik.di2.test;

import org.doit.ik.di.RecordViewImpl;
import org.doit.ik.di2.Config;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;

public class Ex03 {

	public static void main(String[] args) {
		/* 
		 * 1.스프링 객체 생성+조립-> 스프링 컨테이너
		 * 2. 2가지 방법
		 * xml 파일    
		 * src/main/resources/application-context.xml 추가 
		 * java 파일 
		 * 
		 *  */

		AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
			Config.class);
		
		//공장에서 가져와야함
	
		
		
		//RecordViewImpl rvi =(RecordViewImpl) ctx.getBean("getRecordViewImpl");

		RecordViewImpl rvi =(RecordViewImpl) ctx.getBean("rvi");//Bean name=
		rvi.input(); //성적입력
		rvi.output();//성적출략
		System.out.println("END");
		
		
		
		

		
	}//main


	
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di3;

public class DD {

	public static void main(String[] args) {


	}

}

      

      

      

    

    

      <java />
    
package org.doit.ik.di3;

public interface Record3 {

	
	int total();
	double avg();
	
	
	
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di3;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class RecordImpl3 implements Record3{
         //성적처리하는 객체
   
   private int kor;
   private int eng;
   private int mat;

   @Override
   public int total() {
      return kor + eng + mat;
   }

   @Override
   public double avg() {
      return total() / 3.0;
   }
   
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di3;

 


public interface RecordView3 {

	
	void input();
	void output();
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di3;

import java.util.Scanner;

import javax.inject.Inject;
import javax.inject.Named;

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

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
public class RecordViewImpl3 implements RecordView3{


		
		
		
		
	//@Setter()
	/* @Autowired(required=false) */
	//@Resource(name="record1") java 9부터는 사용 x 
	@Inject
	@Named(value ="record2")
	private RecordImpl3 record = null;
	//여러개여도 오류 없어도 오류... 
	
	
	@Override
	public void input() {
								
		try(Scanner scanner = new Scanner(System.in)){
			System.out.printf(">kor,eng,mat input?");

			int kor = scanner.nextInt();
			int eng = scanner.nextInt();
			int mat = scanner.nextInt();

			this.record.setKor(kor);
			this.record.setEng(eng);
			this.record.setMat(mat);

		} catch (Exception e) {
			e.printStackTrace();
		}



	}


	@Override
	public void output() {
		// TODO Auto-generated method stub
		System.out.printf("kor =%d, eng =%d, mat=%d,tot=%d, avg=%2f\n",

				this.record.getKor(),
				this.record.getEng(),
				this.record.getMat(),
				this.record.total(),
				this.record.avg()
				);

	}


}

      

      

      

    

    

      <java />
    
package org.doit.ik.di3.test;

import org.doit.ik.di.RecordViewImpl;
import org.doit.ik.di3.RecordViewImpl3;
import org.springframework.context.support.GenericXmlApplicationContext;

public class Ex04 {

	public static void main(String[] args) {
		
		String resouceLocations ="application-context3.xml";
		GenericXmlApplicationContext ctx = new GenericXmlApplicationContext(resouceLocations);
		
		RecordViewImpl3 rvi =(RecordViewImpl3) ctx.getBean("rvi");
		
		rvi.input(); 
		rvi.output();
		System.out.println("END");
		
		
		
	}//main

}

      

      

      

    

    

      <java />
    
package org.doit.ik.di4;

public interface Record4 {

	
	int total();
	double avg();
	
	
	
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di4;

import org.springframework.stereotype.Component;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@Component("record2")
public class RecordImpl4 implements Record4{
         //성적처리하는 객체
   
   private int kor;
   private int eng;
   private int mat;

   @Override
   public int total() {
      return kor + eng + mat;
   }

   @Override
   public double avg() {
      return total() / 3.0;
   }
   
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di4;

 


public interface RecordView4 {

	
	void input();
	void output();
	
}

      

      

      

    

    

      <java />
    
package org.doit.ik.di4;

import java.util.Scanner;

import javax.inject.Inject;
import javax.inject.Named;

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

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@Component
//컴포넌트에 이름을 부여하지 않으면 클래스의 첫글자로 명명된다 


public class RecordViewImpl4 implements RecordView4{


		
		
		
		
	//@Setter()
    @Autowired(required=false) 
	//@Resource(name="record1") java 9부터는 사용 x 
	 
	// @Inject 
   //@Named(value ="record4") 
	private RecordImpl4 record = null;
	//여러개여도 오류 없어도 오류... 
	
	
	@Override
	public void input() {
								
		try(Scanner scanner = new Scanner(System.in)){
			System.out.printf(">kor,eng,mat input?");

			int kor = scanner.nextInt();
			int eng = scanner.nextInt();
			int mat = scanner.nextInt();

			this.record.setKor(kor);
			this.record.setEng(eng);
			this.record.setMat(mat);

		} catch (Exception e) {
			e.printStackTrace();
		}



	}


	@Override
	public void output() {
		
		System.out.printf("kor =%d, eng =%d, mat=%d,tot=%d, avg=%2f\n",

				this.record.getKor(),
				this.record.getEng(),
				this.record.getMat(),
				this.record.total(),
				this.record.avg()
				);

	}


}

      

      

      

    

    

      <java />
    
package org.doit.ik.di4.test;
 
import org.doit.ik.di4.RecordViewImpl4;
import org.springframework.context.support.GenericXmlApplicationContext;

public class Ex05 {

	public static void main(String[] args) {
		
		String resouceLocations ="application-context4.xml";
		GenericXmlApplicationContext ctx = new GenericXmlApplicationContext(resouceLocations);
		
		RecordViewImpl4 rvi =(RecordViewImpl4) ctx.getBean("recordViewImpl4");
		
		rvi.input(); 
		rvi.output();
		System.out.println("END");
		
		
		
	}//main

}

      

      

      

    

    

      <java />
    
package org.doit.ik.mapper;

public interface SampleMapper {

	
	String getTime();
	
		
}

      

      

      

    

    

      <java />
    
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
    PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
    "https://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="org.doit.ik.mapper.SampleMapper">

     <select id="getTime" resultType="string">
       SELECT sysdate
       FROM dual
     </select>

</mapper>

      

      

      

    

    

      <java />
    
<?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">

	

<!-- 	p104 @Autowired 또는 @Resource 어노테이션을 사용하려면 추가 -->	
	<context:annotation-config/> <!-- 오류는 왜?? namespace에서 체크/.. -->

	<bean id="record" class="org.doit.ik.di3.RecordImpl3" />
	<bean id="record2" class="org.doit.ik.di3.RecordViewImpl3"/> 
	<bean id="rvi" class="org.doit.ik.di3.RecordViewImpl3"/>
<!-- 		new일때는 찾기 편함  주입 ->class 분석 -->
	
	
	
	
</beans>

      

      

      

    

    

      <java />
    
<?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">



	<!-- RecordImpl record = new RecordImpl(); -->
	<bean id="record" class="org.doit.ik.di.RecordImpl" />
	<!-- bean's class, except if it serves only as a parent definition for child 
		패키지명까지 줘야함 bean definitions. rvi.setRecord -->
	<bean id="rvi" class="org.doit.ik.di.RecordViewImpl">
		<constructor-arg ref="record"></constructor-arg>

<!-- 		<property name="record" ref="record"></property> -->
 <!-- 	setter
<property name="record" >
	<ref bean ="record"/>
	
	
</property> -->

	<!-- <property name="setrecord" ref="개체record"></property> -->

	</bean>
	
</beans>

      

      

      

    

    

      <java />
    
<?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">

	

<!-- 	p104 @Autowired 또는 @Resource 어노테이션을 사용하려면 추가 -->	
	<context:annotation-config/> <!-- 오류는 왜?? namespace에서 체크/.. -->

	<bean id="record" class="org.doit.ik.di3.RecordImpl3" />
	<bean id="record2" class="org.doit.ik.di3.RecordViewImpl3"/> 
	<bean id="rvi" class="org.doit.ik.di3.RecordViewImpl3"/>
<!-- 		new일때는 찾기 편함  주입 ->class 분석 -->
	
	
	
	
</beans>

      

      

      

    

    

      <java />
    
<?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">

	

<!-- 	p104 @Autowired 또는 @Resource 어노테이션을 사용하려면 추가 -->	
	<context:annotation-config/> <!-- 오류는 왜?? namespace에서 체크/.. -->

	<bean id="record" class="org.doit.ik.di3.RecordImpl3" />
	<bean id="record2" class="org.doit.ik.di3.RecordViewImpl3"/> 
	<bean id="rvi" class="org.doit.ik.di3.RecordViewImpl3"/>
<!-- 		new일때는 찾기 편함  주입 ->class 분석 -->
	
	
	
	
</beans>

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