react-springboot : test api server

react-springboot/server/src/main/java/com/example/book/service/BookService.java

@@ -33,7 +33,8 @@ public class BookService {
     public Book 수정하기(Long id, Book book){
         Book bookEntity = bookRepository.findById(id)
                 .orElseThrow(() -> new IllegalArgumentException("id를 확인해 주세요"));
-        bookEntity.setTitle(book.getTitle())
+        bookEntity
+                .setTitle(book.getTitle())
                 .setAuthor(book.getAuthor());
         return bookEntity;
     } // 함수 종료 => 트랜잭션 종료 => 영속화 되어있는 데이터를 DB로 갱신(flush) => commit : 더티체킹

react-springboot/server/src/main/java/com/example/book/web/BookController.java

@@ -1,15 +1,41 @@
 package com.example.book.web;
 
+import com.example.book.domain.Book;
+import com.example.book.service.BookService;
+import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @RestController
+@RequiredArgsConstructor
 public class BookController {
 
-    @GetMapping("/")
+    private final BookService bookService;
+
+    @GetMapping("/book")
     public ResponseEntity<?> findAll() {
-        return new ResponseEntity<String>("ok", HttpStatus.OK);
+        return new ResponseEntity<>(bookService.모두가져오기(), HttpStatus.OK);
     }
+
+    @PostMapping ("/book")
+    public ResponseEntity<?> save(@RequestBody Book book) {
+        return new ResponseEntity<>(bookService.저장하기(book), HttpStatus.CREATED);
+    }
+
+    @GetMapping("/book/{id}")
+    public ResponseEntity<?> findById(@PathVariable Long id) {
+        return new ResponseEntity<>(bookService.한건가져오기(id), HttpStatus.OK);
+    }
+
+    @PutMapping ("/book/{id}")
+    public ResponseEntity<?> updateById(@PathVariable Long id, @RequestBody Book book) {
+        return new ResponseEntity<>(bookService.수정하기(id, book), HttpStatus.OK);
+    }
+
+    @DeleteMapping ("/book/{id}")
+    public ResponseEntity<?> updateById(@PathVariable Long id) {
+        return new ResponseEntity<>(bookService.삭제하기(id), HttpStatus.OK);
+    }
+
 }