Spring servlet-context_xml 해석 및 root-context역할

<?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 -->

<!-- 
DispatcherServlet 생성 시 필요한 내용을 정의하는 파일

HandlerMapping : 어떤 요청을 어떤 클래스/메소드로 연결할지 제어하는 객체
<annotation-driven /> 이 @RequestMapping, @GetMapping, @PostMapping을 
활성화 해서 HandlerMapping을 대체

ViewResolver: Controller에서 반환된 문자열("common/main") 앞/, 뒤에 경로(/WEB-INF/views/), 확장자(.jsp)를 붙여
  jsp 파일의 경로를 지정한 후 forward(요청 위임)을 하는 객체
  
component-scan : @Component와 자식 어노테이션을 Bean으로 등록하는 태그

, 트랜잭션 관리자, 웹소켓, 인터셉터, 스케줄러

 -->

<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />

<!-- wabapp/resources 폴더를 HTTP GET 방식 요청으로 접근할 수 있다.  -->
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
<resources mapping="/resources/**" location="/resources/" />

<!-- ViewResolver  -->
<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
<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>

<!-- base-packge 이하에 작성된 @Component와 
자식 어노테이션(@Controller, @Service, @Repository)이 붙은 
클래스를 찾아서 Bean(Spring 관리하는 객체)으로 등록  -->
<context:component-scan base-package="edu.kh.project" />



</beans:beans>


-----------------

 

<?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 -->

<!-- 프로젝트 전반적으로 사용할 DB 연결 관련 내용(JDBC, DBCP, MyBatis), AOP, 트랜젝션 처리, 파일 업로드 등을 작성  -->

</beans>