From d0c71dd89ca1c9004fbe2e3c47b7beeddc782bde Mon Sep 17 00:00:00 2001 From: yuseungyeol Date: Wed, 8 Apr 2026 21:43:12 +0900 Subject: [PATCH] =?UTF-8?q?[fix]=EC=96=B4=EB=85=B8=ED=85=8C=EC=9D=B4?= =?UTF-8?q?=EC=85=98=EC=9D=B8=EC=A7=80=20=EC=A3=BC=EC=84=9D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- build.gradle | 2 ++ settings.gradle | 3 ++ .../session/controller/BoardController.java | 16 +++++------ .../com/likelion/session/domain/Board.java | 28 +++++++++---------- .../session/dto/BoardCreateRequest.java | 6 ++-- .../likelion/session/dto/BoardResponse.java | 2 +- .../session/dto/BoardUpdateRequest.java | 5 ++-- .../session/service/BoardService.java | 8 +++--- src/main/resources/application.yml | 28 +++++++++++++++++++ 9 files changed, 65 insertions(+), 33 deletions(-) create mode 100644 src/main/resources/application.yml diff --git a/build.gradle b/build.gradle index deca6ed..915fb01 100644 --- a/build.gradle +++ b/build.gradle @@ -26,6 +26,8 @@ repositories { dependencies { implementation 'org.springframework.boot:spring-boot-starter-data-jpa' implementation 'org.springframework.boot:spring-boot-starter-webmvc' + implementation 'org.springframework.boot:spring-boot-starter-validation' + implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.5.0' compileOnly 'org.projectlombok:lombok' developmentOnly 'org.springframework.boot:spring-boot-devtools' diff --git a/settings.gradle b/settings.gradle index ade3347..a3395b4 100644 --- a/settings.gradle +++ b/settings.gradle @@ -1 +1,4 @@ +plugins { + id 'org.gradle.toolchains.foojay-resolver-convention' version '1.0.0' +} rootProject.name = 'session' diff --git a/src/main/java/com/likelion/session/controller/BoardController.java b/src/main/java/com/likelion/session/controller/BoardController.java index 2af74e7..a9e1b43 100644 --- a/src/main/java/com/likelion/session/controller/BoardController.java +++ b/src/main/java/com/likelion/session/controller/BoardController.java @@ -11,12 +11,12 @@ import java.util.List; -@RestController -@RequestMapping("/boards") -@RequiredArgsConstructor +@RestController //JSON 형태로 응답을 내보내는 Controller +@RequestMapping("/boards") //이 Controller의 모든 URL에 /boards를 기본으로 붙여줌. +@RequiredArgsConstructor //필수 인자를 가진 생성자를 자동으로 생성 public class BoardController { - private final ; + private final BoardService boardService; /* 게시글 생성 @@ -36,7 +36,7 @@ public class BoardController { summary = "게시글 생성", description = "새로운 게시글을 생성합니다." ) - @ + @PostMapping //데이터 생성 public ResponseEntity create(@RequestBody BoardCreateRequest request) { BoardResponse response = boardService.create(request); return ResponseEntity.ok(response); @@ -47,7 +47,7 @@ public ResponseEntity create(@RequestBody BoardCreateRequest requ summary = "게시글 전체 조회", description = "등록된 모든 게시글을 조회합니다." ) - @ + @GetMapping //데이터 조회 public ResponseEntity> findAll() { List response = boardService.findAll(); return ResponseEntity.ok(response); @@ -69,7 +69,7 @@ public ResponseEntity findById(@PathVariable Long id) { summary = "게시글 수정", description = "id로 특정 게시글의 제목과 내용을 수정합니다." ) - @("/{id}") + @PutMapping("/{id}") //데이터 수정 public ResponseEntity update(@PathVariable Long id, @RequestBody BoardUpdateRequest request) { BoardResponse response = boardService.update(id, request); @@ -81,7 +81,7 @@ public ResponseEntity update(@PathVariable Long id, summary = "게시글 삭제", description = "id로 특정 게시글을 삭제합니다." ) - @("/{id}") + @DeleteMapping("/{id}") //데이터 삭제 public ResponseEntity delete(@PathVariable Long id) { boardService.delete(id); return ResponseEntity.noContent().build(); diff --git a/src/main/java/com/likelion/session/domain/Board.java b/src/main/java/com/likelion/session/domain/Board.java index cb873de..42bea9c 100644 --- a/src/main/java/com/likelion/session/domain/Board.java +++ b/src/main/java/com/likelion/session/domain/Board.java @@ -10,34 +10,34 @@ @Getter // getter 메서드 자동 생성 @Entity // 해당 클래스 DB 테이블로 인식하고 관리 -@Table(name = "boards") -@NoArgsConstructor(access = AccessLevel.PROTECTED) -@AllArgsConstructor +@Table(name = "boards") //실제 DB에 생성될 테이블 이름 지정. 없으면 클래스 이름(Board)이 테이블 이름이 됨. +@NoArgsConstructor(access = AccessLevel.PROTECTED) //파라미터 없는 기본 생성자를 만들어줌. +@AllArgsConstructor //파라미터 없는 기본 생성자를 만들어줌. public class Board { - @Id - @GeneratedValue(strategy = GenerationType.IDENTITY) - private Long ; + @Id //PK + @GeneratedValue(strategy = GenerationType.IDENTITY) //id 값을 DB가 자동으로 1, 2, 3... 순서대로 증가시켜 직접 1, 2, 3, ..을 입력할 필요 없음 + private Long id; // 게시글 제목 - @Column(nullable = false, length = 100) - private String ; + @Column(nullable = false, length = 100) //해당 컬럼의 옵션 설정 + private String title; // 게시글 내용 @Column(nullable = false, columnDefinition = "TEXT") - private String ; + private String content; // 작성자 @Column(nullable = false, length = 30) - private String ; + private String writer; // 생성 시간 @Column(nullable = false) - private LocalDateTime ; + private LocalDateTime createdAt; // 수정 시간 @Column(nullable = false) - private LocalDateTime ; + private LocalDateTime updatedAt; public Board(String title, String content, String writer) { @@ -46,13 +46,13 @@ public Board(String title, String content, String writer) { this.writer = writer; } - @PrePersist + @PrePersist //DB에 저장되기 직전에 자동으로 실행되는 메서드. createdAt(생성시간) 현재 시간으로 자동으로 채워줌. public void prePersist() { this.createdAt = LocalDateTime.now(); this.updatedAt = LocalDateTime.now(); } - @PreUpdate + @PreUpdate //DB에서 수정되기 직전에 자동으로 실행됨. updatedAt(수정 시간)을 갱신. public void preUpdate() { this.updatedAt = LocalDateTime.now(); } diff --git a/src/main/java/com/likelion/session/dto/BoardCreateRequest.java b/src/main/java/com/likelion/session/dto/BoardCreateRequest.java index 62b1821..3d888e1 100644 --- a/src/main/java/com/likelion/session/dto/BoardCreateRequest.java +++ b/src/main/java/com/likelion/session/dto/BoardCreateRequest.java @@ -11,7 +11,7 @@ @AllArgsConstructor public class BoardCreateRequest { // 넘겨주고 싶은 정보: 제목(title), 내용(content), 작성자(writer) - private String ; - private String ; - private String ; + private String title; + private String content; + private String writer; } \ No newline at end of file diff --git a/src/main/java/com/likelion/session/dto/BoardResponse.java b/src/main/java/com/likelion/session/dto/BoardResponse.java index dc6e74f..0133faf 100644 --- a/src/main/java/com/likelion/session/dto/BoardResponse.java +++ b/src/main/java/com/likelion/session/dto/BoardResponse.java @@ -8,7 +8,7 @@ @Getter @AllArgsConstructor -@Builder +@Builder //Service에서 .builder().id(xxx).title(xxx)...build() 식으로 필드를 선택적으로 세팅할 수 있음. public class BoardResponse { // 돌려주고 싶은 응답: id, title, content, writer, createdAt, updatedAt diff --git a/src/main/java/com/likelion/session/dto/BoardUpdateRequest.java b/src/main/java/com/likelion/session/dto/BoardUpdateRequest.java index d1e98e4..5ce570d 100644 --- a/src/main/java/com/likelion/session/dto/BoardUpdateRequest.java +++ b/src/main/java/com/likelion/session/dto/BoardUpdateRequest.java @@ -7,8 +7,8 @@ import jakarta.validation.constraints.NotBlank; import jakarta.validation.constraints.Size; -@Getter -@Setter +@Getter //getId(), getTitle() 같은 getter 메서드를 자동 생성. +@Setter //setTitle(), setContent() 같은 메서드 자동 생성 @NoArgsConstructor public class BoardUpdateRequest { @NotBlank(message = "제목은 필수입니다.") @@ -18,4 +18,3 @@ public class BoardUpdateRequest { @NotBlank(message = "내용은 필수입니다.") private String content; } - diff --git a/src/main/java/com/likelion/session/service/BoardService.java b/src/main/java/com/likelion/session/service/BoardService.java index 1bc58af..110428e 100644 --- a/src/main/java/com/likelion/session/service/BoardService.java +++ b/src/main/java/com/likelion/session/service/BoardService.java @@ -13,12 +13,12 @@ import java.util.List; @Slf4j -@Service -@RequiredArgsConstructor -@Transactional +@Service //이 클래스가 비즈니스 로직 담당임을 Spring에 알려줌. +@RequiredArgsConstructor // final이 붙은 필드(boardRepository)를 생성자로 자동 주입해줌 +@Transactional //DB 작업 도중 에러가 나면 모든 작업을 이전으로 롤백함, 조회 전용 설정으로 성능 최적화에 씀. public class BoardService { - private final ; + private final BoardRepository boardRepository; /* 게시글 생성 diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml new file mode 100644 index 0000000..52f268a --- /dev/null +++ b/src/main/resources/application.yml @@ -0,0 +1,28 @@ +server: + port: 8082 + +spring: + application: + name: session + + datasource: + driver-class-name: com.mysql.cj.jdbc.Driver + url: jdbc:mysql://localhost:3306/session?serverTimezone=Asia/Seoul&characterEncoding=UTF-8 + username: root + password: abcd8907 + + jpa: + hibernate: + ddl-auto: update + show-sql: true + properties: + hibernate: + format_sql: true + + jackson: + serialization: + fail-on-empty-beans: false + +logging: + level: + org.hibernate.SQL: debug \ No newline at end of file