📍 ResponseEntity
- 컨트롤러 메소드의 결과를 클라이언트에게 반환하기 위해 사용한다.
- HTTP 응답의 상태 코드를 지정할 수 있다.
package com.example.lesson01;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RequestMapping("/lesson01/ex01")
@RestController
public class Lesson01Ex01RestController {
@RequestMapping("/1")
public ResponseEntity<String> ex01_1() {
return new ResponseEntity<>("hello world", HttpStatus.INTERNAL_SERVER_ERROR); // ⭐️ 500 error
}
}
References
🔗 https://www.rfc-editor.org/rfc/rfc9110.html#name-status-codes
