スプリング20鋼-@Controller、@ResquestMapping、MyBatis

requestmapping宣言

BookController.java

package kr.or.ddit;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

//컨트롤러 어노테이션(Annotation)
//어노테이션이 있는 클래스
//스프링프레임워크(디자인패턴 + 라이브러리 집합)가 웹 브라우저(크롬)의 요청(request)을 받아들이는 컨트롤러라고 인지해서
//자바 빈(java Bean)으로 등록해서 관리

@Controller
public class BookController {
	//Model : 컨트롤러가 반환할 데이터(VO객체, List, List<VO>, Map, List<Map>, JSON)를 담당
	//			반환? 1)forward(데이터 담기 O)	2) redirect(데이터 담기 X)
	
	//View : 화면 담당
	//localhost:8090/create
	
	//요청을 매핑한다
	@RequestMapping(value="/create", method=RequestMethod.GET)
	public ModelAndView create() {
		ModelAndView mav = new ModelAndView();
		//원래는 localhost:8090/WEB-INF/view/book/create.jsp
		
		//servlet-context.xml에서...
		//prefix : /WEB-INF/views/
		mav.setViewName("/book/create");
		//suffix : .jsp
		return mav;
	}
	//주문하면 아래 메서드로 매핑
	@RequestMapping(value="/make", method=RequestMethod.GET)
	public ModelAndView make() {
		//라이더에 태워서 짬뽕 배송
		ModelAndView mav = new ModelAndView();
		//짬뽕 위치 알려주기
		mav.setViewName("book/make");
		//배송하기
		return mav;
	}
	//RequestMapping 어노테이션 : 웹 브라우저의 요청에 실행되는 자바 메소드를 지정해줌
	//method : 속성. http 요청 메소드를 의미함
	//			1) GET : 데이터를 변경하지 않는 경우 사용
	//			2) POST : 데이터가 변경될 경우 사용
	//웹 브라우저에 화면을 보여줄 뿐 데이터의 변경이 일어나지 않으므로 GET 메소드를 사용한 것임
	//jjajang() 메소드는 웹 브라우저에서 /jjajang 주소가 GET 방식으로 입력되었을 때 book/jjajang 경로의 뷰를 보여줌
	
	@RequestMapping(value="/jjajang", method=RequestMethod.GET)
	public ModelAndView jjajang(ModelAndView mav) { //라이더 생성
		// book/jjajang : 뷰의 경로
		mav.setViewName("book/jjajang");
		return mav;
	}
}

MyBatisとは?

mybatis-spring(2つのライブラリを接続)検索->2.0.6クリック->中間コードのコピー
-> pom.xmlに貼り付けると、C:UsersPC-12になります.m 2repositoryorgmybatismybatis-spring2.0.6に組み立てる

root-context.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"
	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd">
	
	<!-- Root Context: defines shared resources visible to all other web components -->
	
	<!-- 
		root-context.xml : 스프링 설정 파일
		
		view와 관련되지 않은 객체를 정의(찐 스프링 설정)
		Service(기능, 비즈니스 로직), DAO(Repository), DB등 비즈니스 로직과 관련된 설정
	-->
	<!-- dataSource? 데이터베이스와 관련된 정보를 세팅 -->
	<bean id="dataSource"
		class="org.apache.commons.dbcp2.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" 
		value="oracle.jdbc.driver.OracleDriver" />
		<property name="url" 
		value="jdbc:oracle:thin:@localhost:1521:xe" />
		<property name="username" value="jspexam" />
		<property name="password" value="java" />
	</bean>
	<!-- 
	sqlSessionFactory는 데이터베이스와 연결을 맺고 끊어질 때까지의 
	라이프 사이클을 관리하는 sqlSession 객체를 만듦
	 -->
	<bean id="sqlSessionFactory"
	class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 데이터소스를 설정 -->
		<property name="dataSource" ref="dataSource" />
		<!-- 매퍼 xml 파일의 위치.  -->
		<property name="mapperLocations"
		value="classpath:/sqlmap/**/*_SQL.xml" />
		<property name="configLocation"
		value="/WEB-INF/mybatisAlias/mybatisAlias.xml" />
	</bean>
	<!--
	데이터베이스에 개별적으로 쿼리를 실행시키는 객체. 우리는 소스코드에서 이 객체를 사용하여 Query를 실행시킴*** 
	-->
	<bean id="sqlSessionTemplate"
	class="org.mybatis.spring.SqlSessionTemplate">
		<constructor-arg index="0" ref="sqlSessionFactory" />
	</bean>
</beans>

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>kr.or</groupId>
	<artifactId>ddit</artifactId>
	<name>springProj</name>
	<packaging>war</packaging>
	<version>1.0.0-BUILD-SNAPSHOT</version>
	<properties>
		<java-version>1.8</java-version>
		<org.springframework-version>5.2.5.RELEASE</org.springframework-version>
		<org.aspectj-version>1.6.10</org.aspectj-version>
		<org.slf4j-version>1.6.6</org.slf4j-version>
	</properties>
	<dependencies>
		<!-- Spring -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${org.springframework-version}</version>
			<exclusions>
				<!-- Exclude Commons Logging in favor of SLF4j -->
				<exclusion>
					<groupId>commons-logging</groupId>
					<artifactId>commons-logging</artifactId>
				 </exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${org.springframework-version}</version>
		</dependency>
				
		<!-- AspectJ -->
		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjrt</artifactId>
			<version>${org.aspectj-version}</version>
		</dependency>	
		
		<!-- Logging -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>${org.slf4j-version}</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>jcl-over-slf4j</artifactId>
			<version>${org.slf4j-version}</version>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${org.slf4j-version}</version>
			<scope>runtime</scope>
		</dependency>
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.15</version>
			<exclusions>
				<exclusion>
					<groupId>javax.mail</groupId>
					<artifactId>mail</artifactId>
				</exclusion>
				<exclusion>
					<groupId>javax.jms</groupId>
					<artifactId>jms</artifactId>
				</exclusion>
				<exclusion>
					<groupId>com.sun.jdmk</groupId>
					<artifactId>jmxtools</artifactId>
				</exclusion>
				<exclusion>
					<groupId>com.sun.jmx</groupId>
					<artifactId>jmxri</artifactId>
				</exclusion>
			</exclusions>
			<scope>runtime</scope>
		</dependency>

		<!-- @Inject -->
		<dependency>
			<groupId>javax.inject</groupId>
			<artifactId>javax.inject</artifactId>
			<version>1</version>
		</dependency>
				
		<!-- Servlet -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>2.1</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
	
		<!-- Test -->
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.7</version>
			<scope>test</scope>
		</dependency>
		
		<!-- Database 라이브러리 시작 -->
		<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
		<!-- XML로 쿼리를 작성하게 해주는 라이브러리 -->
		<dependency>
		    <groupId>org.mybatis</groupId>
		    <artifactId>mybatis</artifactId>
		    <version>3.5.9</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
		<!-- 스프링과 mybatis를 연동하게 해주는 라이브러리 -->
		<dependency>
		    <groupId>org.mybatis</groupId>
		    <artifactId>mybatis-spring</artifactId>
		    <version>2.0.6</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
		<dependency>
		    <groupId>org.springframework</groupId>
		    <artifactId>spring-jdbc</artifactId>
		    <version>${org.springframework-version}</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
		<!-- 데이터베이스 커넥션 풀. 커넥션을 미리 여러개 만들어 놓고, 빌려썼다가 사용이 끝나면 반납. -->
		<dependency>
		    <groupId>org.apache.commons</groupId>
		    <artifactId>commons-dbcp2</artifactId>
		    <version>2.9.0</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.bgee.log4jdbc-log4j2/log4jdbc-log4j2-jdbc4 -->
		<!-- Logging을 위한 라이브러리. Query를 console이나 파일 로그로 볼 수 있음 -->
		<dependency>
		    <groupId>org.bgee.log4jdbc-log4j2</groupId>
		    <artifactId>log4jdbc-log4j2-jdbc4</artifactId>
		    <version>1.16</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/com.oracle.database.jdbc/ojdbc6 -->
		<dependency>
		    <groupId>com.oracle.database.jdbc</groupId>
		    <artifactId>ojdbc6</artifactId>
		    <version>11.2.0.4</version>
		</dependency>
		<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
		<!-- 
			* 자바빈 클래스인 VO에서 Getter/Setter메서드, toString()메서드를 자동 생성
			LoggerFactory 사용 가능
		 -->
		<dependency>
		    <groupId>org.projectlombok</groupId>
		    <artifactId>lombok</artifactId>
		    <version>1.18.22</version>
		    <scope>provided</scope>
		</dependency>
		<!-- Database 라이브러리 끝 -->
	</dependencies>
    <build>
        <plugins>
            <plugin>
                <artifactId>maven-eclipse-plugin</artifactId>
                <version>2.9</version>
                <configuration>
                    <additionalProjectnatures>
                        <projectnature>org.springframework.ide.eclipse.core.springnature</projectnature>
                    </additionalProjectnatures>
                    <additionalBuildcommands>
                        <buildcommand>org.springframework.ide.eclipse.core.springbuilder</buildcommand>
                    </additionalBuildcommands>
                    <downloadSources>true</downloadSources>
                    <downloadJavadocs>true</downloadJavadocs>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.5.1</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                    <compilerArgument>-Xlint:all</compilerArgument>
                    <showWarnings>true</showWarnings>
                    <showDeprecation>true</showDeprecation>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>1.2.1</version>
                <configuration>
                    <mainClass>org.test.int1.Main</mainClass>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

sevlet-context.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:beans="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">

	<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
	
	<!-- Enables the Spring MVC @Controller programming model -->
	<annotation-driven />

	<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
	<!-- 정적 폴더  -> images, js, css와 같은 폴더들이 resources 밑에 들어감-->
	<resources mapping="/resources/**" location="/resources/" />
	<!-- 컨트롤러에서 return되는 string값(파일명) 앞 뒤로 조립되는 값 -->
	<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
	<!--  prefix는 앞, suffix는 뒤에 붙는다 (ViewResolver가 조립해준다)-->
	<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/" />
		<beans:property name="suffix" value=".jsp" />
	</beans:bean>
	
	<context:component-scan base-package="kr.or.ddit" />
	
	
	
</beans:beans>