{"id":26329,"date":"2024-03-17T06:54:22","date_gmt":"2024-03-16T21:54:22","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9fcrud%e6%93%8d%e4%bd%9c%e3%81%ae%e5%ae%9f%e8%a3%85%e4%be%8b\/"},"modified":"2024-03-22T13:36:27","modified_gmt":"2024-03-22T04:36:27","slug":"spring-boot%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9fcrud%e6%93%8d%e4%bd%9c%e3%81%ae%e5%ae%9f%e8%a3%85%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9fcrud%e6%93%8d%e4%bd%9c%e3%81%ae%e5%ae%9f%e8%a3%85%e4%be%8b\/","title":{"rendered":"Spring Boot\u3092\u4f7f\u3063\u305fCRUD\u64cd\u4f5c\u306e\u5b9f\u88c5\u4f8b"},"content":{"rendered":"

\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Spring Boot\u5b9e\u73b0\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    \n
  1. \u307e\u305a\u3001User.java\u306a\u3069\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n
    @Entity\r\npublic class User {\r\n    @Id\r\n    @GeneratedValue(strategy = GenerationType.IDENTITY)\r\n    private Long id;\r\n\r\n    private String name;\r\n    private int age;\r\n    private String email;\r\n\r\n    \/\/ getters and setters\r\n}\r\n<\/code><\/pre>\n
      \n
    1. Repository \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u4f8b\u3048\u3070\u3001UserRepository.java\u3002<\/li>\n<\/ol>\n
      @Repository\r\npublic interface UserRepository extends JpaRepository<User, Long> {\r\n}\r\n<\/code><\/pre>\n
        \n
      1. UserService.java\u3068\u3044\u3046Service\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
        @Service\r\npublic class UserService {\r\n    private final UserRepository userRepository;\r\n\r\n    public UserService(UserRepository userRepository) {\r\n        this.userRepository = userRepository;\r\n    }\r\n\r\n    public List<User> getAllUsers() {\r\n        return userRepository.findAll();\r\n    }\r\n\r\n    public User getUserById(Long id) {\r\n        return userRepository.findById(id).orElse(null);\r\n    }\r\n\r\n    public User createUser(User user) {\r\n        return userRepository.save(user);\r\n    }\r\n\r\n    public void deleteUser(Long id) {\r\n        userRepository.deleteById(id);\r\n    }\r\n\r\n    public User updateUser(Long id, User user) {\r\n        User existingUser = userRepository.findById(id).orElse(null);\r\n        if (existingUser != null) {\r\n            existingUser.setName(user.getName());\r\n            existingUser.setAge(user.getAge());\r\n            existingUser.setEmail(user.getEmail());\r\n            return userRepository.save(existingUser);\r\n        } else {\r\n            return null;\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
          \n
        1. UserController.java\u3068\u3044\u3046Controller\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ol>\n
          @RestController\r\n@RequestMapping(\"\/users\")\r\npublic class UserController {\r\n    private final UserService userService;\r\n\r\n    public UserController(UserService userService) {\r\n        this.userService = userService;\r\n    }\r\n\r\n    @GetMapping(\"\/\")\r\n    public List<User> getAllUsers() {\r\n        return userService.getAllUsers();\r\n    }\r\n\r\n    @GetMapping(\"\/{id}\")\r\n    public User getUserById(@PathVariable Long id) {\r\n        return userService.getUserById(id);\r\n    }\r\n\r\n    @PostMapping(\"\/\")\r\n    public User createUser(@RequestBody User user) {\r\n        return userService.createUser(user);\r\n    }\r\n\r\n    @DeleteMapping(\"\/{id}\")\r\n    public void deleteUser(@PathVariable Long id) {\r\n        userService.deleteUser(id);\r\n    }\r\n\r\n    @PutMapping(\"\/{id}\")\r\n    public User updateUser(@PathVariable Long id, @RequestBody User user) {\r\n        return userService.updateUser(id, user);\r\n    }\r\n}\r\n<\/code><\/pre>\n
            \n
          1. @SpringBootApplication\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092Spring Boot\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u30af\u30e9\u30b9\u306b\u8ffd\u52a0\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
            \u4eca\u306f\u3001\u4ee5\u4e0b\u306eAPI\u3092\u4f7f\u7528\u3057\u3066\u8ffd\u52a0\u3001\u524a\u9664\u3001\u5909\u66f4\u3001\u691c\u7d22\u64cd\u4f5c\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
              \n
            1. \u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u53d6\u5f97\u3059\u308b\uff1aGET \/users\/<\/li>\n
            2. \u6307\u5b9a\u3055\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3092\u53d6\u5f97\u3059\u308b\uff1aGET \/users\/{id}<\/li>\n
            3. \u30e6\u30fc\u30b6\u30fc\u3092\u4f5c\u6210\u3059\u308b\uff1aPOST \/users\/<\/li>\n
            4. \u30e6\u30fc\u30b6\u30fc\u524a\u9664\uff1aDELETE \/users\/{id}<\/li>\n
            5. \u30e6\u30fc\u30b6\u30fc\u3092\u66f4\u65b0\u3059\u308b\uff1aPUT \/users\/{id}<\/li>\n<\/ol>\n
              \u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u306f\u5358\u306a\u308b\u4f8b\u3067\u3059\u306e\u3067\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u4fee\u6b63\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Spring Boot\u5b9e\u73b0\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \u307e\u305a\u3001User.java\u306a\u3069\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002 @Entity public class User { @Id @Generated […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26329","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nSpring Boot\u3092\u4f7f\u3063\u305fCRUD\u64cd\u4f5c\u306e\u5b9f\u88c5\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot\u3092\u4f7f\u3063\u305fcrud\u64cd\u4f5c\u306e\u5b9f\u88c5\u4f8b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spring Boot\u3092\u4f7f\u3063\u305fCRUD\u64cd\u4f5c\u306e\u5b9f\u88c5\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Spring Boot\u5b9e\u73b0\u589e\u5220\u6539\u67e5\u64cd\u4f5c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a \u307e\u305a\u3001User.java\u306a\u3069\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002 @Entity public class User { @Id @Generated […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/spring-boot\u3092\u4f7f\u3063\u305fcrud\u64cd\u4f5c\u306e\u5b9f\u88c5\u4f8b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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