[ 개념 ]

• 빈으로 등록된 클래스들을 스캔해서 빈으로 등록해주는 것
  • @Component
  • @Controller
  • @Service
  • @Repository

[ 사용 방법 ]

1. xml

<!-- applicationContext.xml -->

<context:component-scan base-package="com.ssafy.model"></context:component-scan>

// GuestBookController.java

**ApplicationContext context = new ClassPathXmlApplicationContext("com/ssafy/configuration/applicationContext.xml");**
		
GuestBookService guestBookService = context**.getBean(**"gbService", GuestBookServiceImpl.class**)**;

2. java

// ApplicationConfig.java

**@Configuration**
**@ComponentScan(basePackages = {"com.ssafy.model"})**
public class ApplicationConfig {
	
	@Bean
	public DataSource getDataSource() {
		SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
		dataSource.setDriverClass(com.mysql.cj.jdbc.Driver.class);
		dataSource.setUrl("jdbc:mysql://127.0.0.1:3306/ssafyweb?serverTimezone=UTC&useUniCode=yes&characterEncoding=UTF-8");
		dataSource.setUsername("ssafy");
		dataSource.setPassword("ssafy");
		
		return dataSource;
	}
}

// GuestBookController.java

**ApplicationContext context = new AnnotationConfigApplicationContext(ApplicationConfig.class);**

GuestBookService guestBookService = context**.getBean(**"gbService", GuestBookServiceImpl.class**)**;