Spring MVC @ResponseEntity

프레임워크/Spring Boot

by 최승호 2022. 5. 31. 12:00

https://docs.spring.io/spring-framework/docs/current/reference/html/web.html#mvc-ann-responsebody

Web on Servlet Stack

Spring Web MVC is the original web framework built on the Servlet API and has been included in the Spring Framework from the very beginning. The formal name, “Spring Web MVC,” comes from the name of its source module (spring-webmvc), but it is more com

docs.spring.io

@ResponseEntity 어노테이션은

@ResponseBody와 비슷한데 HttpStatus와 헤더 정보를 같이 보낼 수 있다.

@ResponseEntity 예시

@RequestMapping("/resEntity")
@Controller
public class ResponseBodyController {

	@ResponseBody
	@GetMapping("/void")
	public ResponseEntity<Void> responseVoid() {
		return new ResponseEntity<Void>(HttpStatus.OK);
	}
	
	@ResponseBody
	@GetMapping("/string")
	public ResponseEntity<String> responseString() {
		return new ResponseEntity<String>("success", HttpStatus.OK);
	}
	
	@ResponseBody
	@GetMapping("/beans")
	public ResponseEntity<Member> responseBeans() {
		Member member = new Member();
		member.setId("hong");
		member.setName("홍길동");
		return new ResponseEntity<Member>(member, HttpStatus.OK);
	}
}