{"id":1658,"date":"2026-03-31T16:16:19","date_gmt":"2026-03-31T16:16:19","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=1658"},"modified":"2026-08-31T07:32:36","modified_gmt":"2026-08-31T07:32:36","slug":"spring-%ea%b0%9c%eb%b0%9c-%ed%95%b5%ec%8b%ac-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=1658","title":{"rendered":"Spring \uc11c\ubc84 \uac1c\ubc1c \ud575\uc2ec \uc815\ub9ac"},"content":{"rendered":"\n

Spring\uc740 Java\ub85c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \ub54c \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 \ud504\ub808\uc784\uc6cc\ud06c\ub2e4.<\/p>\n\n\n\n

\ucc98\uc74c Spring\uc744 \ubcf4\uba74 @Controller<\/code>, @Service<\/code>, @Repository<\/code>, @Autowired<\/code>, @Transactional<\/code>\ucc98\ub7fc \uc0dd\uc18c\ud55c \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uacc4\uc18d \ub4f1\uc7a5\ud55c\ub2e4. \uc5ec\uae30\uc5d0 Spring MVC, JPA, Security, AOP\uae4c\uc9c0 \ubd99\uc73c\uba74\uc11c \uac01\uac01\uc758 \uae30\ub2a5\uc744 \ub530\ub85c \uc678\uc6b0\uae30 \uc27d\ub2e4.<\/p>\n\n\n\n

\ud558\uc9c0\ub9cc Spring\uc744 \uc774\ud574\ud560 \ub54c \uba3c\uc800 \ubd10\uc57c \ud558\ub294 \uac83\uc740 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n

\uac1d\uccb4\uac00 \uc5b4\ub5bb\uac8c \ub9cc\ub4e4\uc5b4\uc9c0\uace0, \uc11c\ub85c \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ub418\uba70, HTTP \uc694\uccad\uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub0b4\ubd80\ub97c \uc5b4\ub5bb\uac8c \ud1b5\uacfc\ud558\ub294\uac00<\/strong>\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \uba3c\uc800\ub2e4.<\/p>\n\n\n\n

Spring \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uae30\ubcf8\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

HTTP Request -> DispatcherServlet -> Controller -> Service -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\uadf8\ub9ac\uace0 \uc774 \uacfc\uc815\uc5d0\uc11c \ud544\uc694\ud55c \uac1d\uccb4\ub4e4\uc744 Spring Container\uac00 \uc0dd\uc131\ud558\uace0 \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Spring\uc740 \ubb34\uc5c7\uc744 \ud574\uacb0\ud558\ub294\uac00<\/h2>\n\n\n\n
Java\uc5d0\uc11c\ub294 \ud544\uc694\ud55c \uac1d\uccb4\ub97c \uc9c1\uc811 \uc0dd\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
UserRepository repository = new UserRepository();\nUserService service = new UserService(repository);\n<\/code><\/pre>\n\n\n\n
\uc791\uc740 \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c\ub294 \ubb38\uc81c\uac00 \uc5c6\ub2e4.<\/p>\n\n\n\n
\ud558\uc9c0\ub9cc \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ucee4\uc9c0\uba74 \uac1d\uccb4\uc758 \uc218\uac00 \ub9ce\uc544\uc9c0\uace0 \uc11c\ub85c \uc758\uc874\ud558\ub294 \uad00\uacc4\ub3c4 \ubcf5\uc7a1\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n
OrderController -> OrderService -> OrderRepository -> Database\n<\/code><\/pre>\n\n\n\n
\uc5ec\uae30\uc5d0 \uc778\uc99d, \ub85c\uae45, \ud2b8\ub79c\uc7ad\uc158 \uac19\uc740 \uacf5\ud1b5 \uae30\ub2a5\uae4c\uc9c0 \ucd94\uac00\ub418\uba74 \uac1d\uccb4 \uc0dd\uc131\uacfc \uc5f0\uacb0\uc744 \uc9c1\uc811 \uad00\ub9ac\ud558\ub294 \uc77c\uc774 \uc810\uc810 \ubcf5\uc7a1\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n
Spring\uc740 \uc774\ub7f0 \uac1d\uccb4\uc758 \uc0dd\uc131\uacfc \uad00\ub9ac, \uc758\uc874\uc131 \uc5f0\uacb0, \uc6f9 \uc694\uccad \ucc98\ub9ac, \ud2b8\ub79c\uc7ad\uc158, \ubcf4\uc548 \ub4f1\uc758 \uae30\ub2a5\uc744 \ud504\ub808\uc784\uc6cc\ud06c \ucc28\uc6d0\uc5d0\uc11c \uc81c\uacf5\ud55c\ub2e4.<\/p>\n\n\n\n
\uac1c\ubc1c\uc790\ub294 \uac1d\uccb4\ub97c \uc9c1\uc811 \uc0dd\uc131\ud558\ub294 \ucf54\ub4dc\ubcf4\ub2e4 \uac01 \uac1d\uccb4\uc758 \ucc45\uc784\uacfc \uc758\uc874\uad00\uacc4\ub97c \uc124\uacc4\ud558\ub294 \ub370 \uc9d1\uc911\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Bean\uacfc Spring Container<\/h2>\n\n\n\n
Spring\uc5d0\uc11c \uc790\uc8fc \ub4f1\uc7a5\ud558\ub294 \uac1c\ub150\uc774 Bean<\/code>\uc774\ub2e4.<\/p>\n\n\n\n
Bean\uc740 Spring Container\uac00 \uc0dd\uc131\ud558\uace0 \uad00\ub9ac\ud558\ub294 \uac1d\uccb4\ub2e4.<\/p>\n\n\n\n
@Service\npublic class UserService {\n}\n<\/code><\/pre>\n\n\n\n
UserService<\/code>\uc5d0 @Service<\/code>\uac00 \ubd99\uc73c\uba74 Spring\uc774 \ud574\ub2f9 \ud074\ub798\uc2a4\ub97c Bean\uc73c\ub85c \ub4f1\ub85d\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub300\ud45c\uc801\uc778 Bean \ub4f1\ub85d \ubc29\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
@Component\n@Service\n@Repository\n@Controller\n@RestController\n<\/code><\/pre>\n\n\n\n
\uc9c1\uc811 Bean\uc744 \ub4f1\ub85d\ud558\ub294 \uac83\ub3c4 \uac00\ub2a5\ud558\ub2e4.<\/p>\n\n\n\n
@Configuration\npublic class AppConfig {\n\n    @Bean\n    public UserService userService() {\n        return new UserService();\n    }\n}\n<\/code><\/pre>\n\n\n\n
Spring \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc2e4\ud589\ub418\uba74 Container\uac00 \ud544\uc694\ud55c Bean\uc744 \uc0dd\uc131\ud558\uace0 \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Bean \uc0ac\uc774\uc5d0 \uc758\uc874\uad00\uacc4\uac00 \uc788\ub2e4\uba74 \ud544\uc694\ud55c \uac1d\uccb4\ub97c \uc5f0\uacb0\ud574\uc900\ub2e4.<\/p>\n\n\n\n
Spring Container -> UserRepository Bean -> UserService Bean -> UserRepository Dependency\n<\/code><\/pre>\n\n\n\n
\uc5ec\uae30\uc11c \uc911\uc694\ud55c \uac83\uc740 @Service<\/code>\ub77c\ub294 \uc5b4\ub178\ud14c\uc774\uc158 \uc790\uccb4\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\uc65c \uc774 \uac1d\uccb4\ub97c Spring\uc774 \uad00\ub9ac\ud574\uc57c \ud558\ub294\uac00<\/strong>\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \ud575\uc2ec\uc774\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Dependency Injection<\/h2>\n\n\n\n
\uac1d\uccb4\uac00 \ub2e4\ub978 \uac1d\uccb4\ub97c \ud544\uc694\ub85c \ud558\ub294 \uad00\uacc4\ub97c \uc758\uc874\uad00\uacc4\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 UserService<\/code>\uac00 UserRepository<\/code>\ub97c \uc0ac\uc6a9\ud55c\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n
public class UserService {\n\n    private final UserRepository repository;\n\n    public UserService(UserRepository repository) {\n        this.repository = repository;\n    }\n}\n<\/code><\/pre>\n\n\n\n
UserService<\/code>\ub294 UserRepository<\/code>\ub97c \uc9c1\uc811 \uc0dd\uc131\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n
\ud544\uc694\ud55c \uac1d\uccb4\ub97c \uc678\ubd80\uc5d0\uc11c \uc804\ub2ec\ubc1b\ub294\ub2e4.<\/p>\n\n\n\n
\uc774\uac83\uc774 Dependency Injection, DI\ub2e4.<\/p>\n\n\n\n
Spring\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc0dd\uc131\uc790 \uc8fc\uc785\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
@Service\npublic class UserService {\n\n    private final UserRepository repository;\n\n    public UserService(UserRepository repository) {\n        this.repository = repository;\n    }\n}\n<\/code><\/pre>\n\n\n\n
Spring Container\uac00 UserRepository<\/code> Bean\uc744 \ucc3e\uc544 \uc0dd\uc131\uc790\ub97c \ud1b5\ud574 \uc804\ub2ec\ud55c\ub2e4.<\/p>\n\n\n\n
Spring Container -> UserRepository \uc0dd\uc131 -> UserService \uc0dd\uc131 -> Repository \uc8fc\uc785\n<\/code><\/pre>\n\n\n\n
\uc774\ub807\uac8c \ud558\uba74 UserService<\/code>\uac00 \uad6c\uccb4\uc801\uc778 \uad6c\ud604 \uac1d\uccb4\ub97c \uc9c1\uc811 \uc0dd\uc131\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4.<\/p>\n\n\n\n
\ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub3c4 \ud544\uc694\ud55c \uac1d\uccb4\ub97c \uc9c1\uc811 \uc804\ub2ec\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
UserRepository repository = new FakeUserRepository();\nUserService service = new UserService(repository);\n<\/code><\/pre>\n\n\n\n
\uac1d\uccb4\ub97c \uc0dd\uc131\ud558\ub294 \ucc45\uc784\uacfc \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud558\ub294 \ucc45\uc784\uc744 \ubd84\ub9ac\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc774 DI\uc758 \uc911\uc694\ud55c \uc7a5\uc810\uc774\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
IoC<\/h2>\n\n\n\n
DI\ub97c \uc774\ud574\ud558\uba74 IoC\ub3c4 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n
\uc77c\ubc18\uc801\uc778 Java \ucf54\ub4dc\uc5d0\uc11c\ub294 \uac1c\ubc1c\uc790\uac00 \uac1d\uccb4\uc758 \uc0dd\uc131\uacfc \uc5f0\uacb0\uc744 \uc9c1\uc811 \uacb0\uc815\ud55c\ub2e4.<\/p>\n\n\n\n
\uac1c\ubc1c\uc790 -> \uac1d\uccb4 \uc0dd\uc131 -> \uac1d\uccb4 \uc5f0\uacb0 -> \uac1d\uccb4 \uc0ac\uc6a9\n<\/code><\/pre>\n\n\n\n
Spring\uc744 \uc0ac\uc6a9\ud558\uba74 \uac1d\uccb4\uc758 \uc0dd\uc131\uacfc \uc5f0\uacb0\uc744 Spring Container\uac00 \ub2f4\ub2f9\ud55c\ub2e4.<\/p>\n\n\n\n
Spring Container -> \uac1d\uccb4 \uc0dd\uc131 -> \uac1d\uccb4 \uc5f0\uacb0 -> \uac1d\uccb4 \uad00\ub9ac\n<\/code><\/pre>\n\n\n\n
\uac1c\ubc1c\uc790\uac00 \uac00\uc9c0\uace0 \uc788\ub358 \uc81c\uc5b4\uad8c \uc77c\ubd80\uac00 \ud504\ub808\uc784\uc6cc\ud06c\ub85c \ub118\uc5b4\uac04\ub2e4.<\/p>\n\n\n\n
\uc774\uac83\uc744 IoC, Inversion of Control\uc774\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n
DI\ub294 \uc774\ub7ec\ud55c IoC\ub97c \uad6c\ud604\ud558\ub294 \ub300\ud45c\uc801\uc778 \ubc29\ubc95\uc774\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c \ub450 \uac1c\ub150\uc744 \uac19\uc740 \uac83\uc73c\ub85c \ubcf4\uae30\ubcf4\ub2e4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n
IoC -> \uc81c\uc5b4\uc758 \uc5ed\uc804\nIoC -> DI\ub97c \ud3ec\ud568\ud55c \uc5ec\ub7ec \ubc29\uc2dd\uc73c\ub85c \uad6c\ud604 \uac00\ub2a5\nDI -> \uac1d\uccb4\uc758 \uc758\uc874\uc131\uc744 \uc678\ubd80\uc5d0\uc11c \uc8fc\uc785\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
Spring MVC<\/h2>\n\n\n\n
Spring\uc73c\ub85c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\uba74 Spring MVC\ub97c \ub9cc\ub098\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n
HTTP \uc694\uccad\uc774 \ub4e4\uc5b4\uc624\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ud750\ub984\uc744 \uac70\uce5c\ub2e4.<\/p>\n\n\n\n
Client -> HTTP Request -> DispatcherServlet -> Controller -> Service -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\uc5ec\uae30\uc11c DispatcherServlet<\/code>\uc740 Spring MVC\uc758 \uc911\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud55c\ub2e4.<\/p>\n\n\n\n
HTTP \uc694\uccad\uc744 \ubc1b\uc544 \uc801\uc808\ud55c Controller\ub85c \uc804\ub2ec\ud558\uace0 Controller\uc758 \ucc98\ub9ac \uacb0\uacfc\ub97c HTTP \uc751\ub2f5\uc73c\ub85c \uc5f0\uacb0\ud55c\ub2e4.<\/p>\n\n\n\n
Controller\ub294 \uc6f9 \uc694\uccad\uc744 \ucc98\ub9ac\ud558\ub294 \uc785\uad6c\uc5d0 \uac00\uae5d\ub2e4.<\/p>\n\n\n\n
@RestController\npublic class UserController {\n\n    private final UserService userService;\n\n    public UserController(UserService userService) {\n        this.userService = userService;\n    }\n\n    @GetMapping(\"\/users\/{id}\")\n    public UserResponse getUser(@PathVariable Long id) {\n        return userService.getUser(id);\n    }\n}\n<\/code><\/pre>\n\n\n\n
Controller\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc9c1\uc811 \uc811\uadfc\ud558\uae30\ubcf4\ub2e4 Service\ub97c \ud638\ucd9c\ud558\ub294 \uad6c\uc870\ub97c \ub9ce\uc774 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Controller\uc640 Service<\/h2>\n\n\n\n
Controller\uc640 Service\ub97c \ubd84\ub9ac\ud558\ub294 \uc774\uc720\ub294 \ucc45\uc784\uc744 \ub098\ub204\uae30 \uc704\ud574\uc11c\ub2e4.<\/p>\n\n\n\n
Controller\uc5d0\uc11c \ubaa8\ub4e0 \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud574\ub3c4 \ud504\ub85c\uadf8\ub7a8 \uc790\uccb4\ub294 \ub3d9\uc791\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
@GetMapping(\"\/users\/{id}\")\npublic UserResponse getUser(@PathVariable Long id) {\n\n    User user = userRepository.findById(id);\n\n    \/\/ \uc5ec\ub7ec \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\n\n    return UserResponse.from(user);\n}\n<\/code><\/pre>\n\n\n\n
\ud558\uc9c0\ub9cc \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ucee4\uc9c0\uba74 Controller\uac00 \uc9c0\ub098\uce58\uac8c \ub9ce\uc740 \ucc45\uc784\uc744 \uac00\uc9c0\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n
\uadf8\ub798\uc11c \ubcf4\ud1b5 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5ed\ud560\uc744 \ubd84\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Controller -> HTTP \uc694\uccad\uacfc \uc751\ub2f5 \ucc98\ub9ac\nService -> \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1 \ucc98\ub9ac\nRepository -> \ub370\uc774\ud130 \uc811\uadfc\n<\/code><\/pre>\n\n\n\n
\ud68c\uc6d0 \uac00\uc785\uc744 \uc608\ub85c \ub4e4\uba74:<\/p>\n\n\n\n
POST \/users -> UserController -> UserService -> UserRepository -> Database\n<\/code><\/pre>\n\n\n\n
Controller\ub294 HTTP \uc694\uccad\uc744 \ubc1b\uace0 Service\ub97c \ud638\ucd9c\ud55c\ub2e4.<\/p>\n\n\n\n
Service\ub294 \uc911\ubcf5 \ud68c\uc6d0 \ud655\uc778, \ud68c\uc6d0 \uc0dd\uc131 \uac19\uc740 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Repository\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uac70\ub098 \uc870\ud68c\ud55c\ub2e4.<\/p>\n\n\n\n
\uc774\ub807\uac8c \uc5ed\ud560\uc744 \ub098\ub204\uba74 \uac01 \ud074\ub798\uc2a4\uac00 \ub2f4\ub2f9\ud558\ub294 \ubc94\uc704\uac00 \uba85\ud655\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Repository\uc640 Database<\/h2>\n\n\n\n
Repository\ub294 \ub370\uc774\ud130\uc758 \uc800\uc7a5\uacfc \uc870\ud68c\ub97c \ub2f4\ub2f9\ud558\ub294 \uacc4\uce35\uc774\ub2e4.<\/p>\n\n\n\n
Spring\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ub2e4\ub8f0 \ub54c\ub294 JDBC\ub97c \uc9c1\uc811 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uace0 JPA \uac19\uc740 ORM\uc744 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n
Spring Data JPA\ub97c \uc0ac\uc6a9\ud558\uba74 Repository \uad6c\ud604\uc744 \uc0c1\ub2f9 \ubd80\ubd84 \uc790\ub3d9\ud654\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
public interface UserRepository\n        extends JpaRepository<User, Long> {\n}\n<\/code><\/pre>\n\n\n\n
\uae30\ubcf8\uc801\uc778 CRUD \uae30\ub2a5\uc744 \uc81c\uacf5\ubc1b\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
userRepository.findById(id);\nuserRepository.findAll();\nuserRepository.save(user);\nuserRepository.delete(user);\n<\/code><\/pre>\n\n\n\n
\uc5ec\uae30\uc11c JPA\uc640 Hibernate, Spring Data JPA\ub97c \uac19\uc740 \uae30\uc220\ub85c \uc0dd\uac01\ud558\uba74 \uc548 \ub41c\ub2e4.<\/p>\n\n\n\n
\uac01\uac01\uc758 \uc5ed\ud560\uc774 \ub2e4\ub974\ub2e4.<\/p>\n\n\n\n
Spring Data JPA -> Repository \uc0ac\uc6a9 \ud3b8\uc758 \uae30\ub2a5\nJPA -> Java ORM \ud45c\uc900\nHibernate -> JPA \uad6c\ud604\uccb4\nJDBC -> Java Database \uc5f0\uacb0 API\nDatabase -> \uc2e4\uc81c \ub370\uc774\ud130 \uc800\uc7a5\uc18c\n<\/code><\/pre>\n\n\n\n
\uc804\uccb4\uc801\uc778 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Application -> Spring Data JPA -> JPA -> Hibernate -> JDBC -> Database\n<\/code><\/pre>\n\n\n\n
\uac01 \uae30\uc220\uc774 \uc5b4\ub290 \uacc4\uce35\uc5d0 \uc704\uce58\ud558\ub294\uc9c0 \uc54c\uace0 \uc788\uc73c\uba74 \uc774\ub984\uc774 \ube44\uc2b7\ud55c \uae30\uc220\ub4e4\uc774 \ud6e8\uc52c \ub35c \ud5f7\uac08\ub9b0\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Entity\uc640 DTO<\/h2>\n\n\n\n
JPA\ub97c \uc0ac\uc6a9\ud558\uba74 Entity\ub97c \ub9cc\ub4e4\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n
@Entity\npublic class User {\n\n    @Id\n    @GeneratedValue\n    private Long id;\n\n    private String name;\n    private String email;\n}\n<\/code><\/pre>\n\n\n\n
Entity\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14\uacfc \ub9e4\ud551\ub418\ub294 \uac1d\uccb4\ub2e4.<\/p>\n\n\n\n
\ud558\uc9c0\ub9cc API \uc694\uccad\uc774\ub098 \uc751\ub2f5\uc5d0 Entity\ub97c \uadf8\ub300\ub85c \uc0ac\uc6a9\ud558\ub294 \uac83\uc740 \uc8fc\uc758\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
\ud68c\uc6d0 \uc0dd\uc131 \uc694\uccad\uc744 \ubc1b\ub294\ub2e4\uba74 \ubcc4\ub3c4\uc758 DTO\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
public class CreateUserRequest {\n\n    private String name;\n    private String email;\n}\n<\/code><\/pre>\n\n\n\n
\uc694\uccad \ub370\uc774\ud130\ub294 Service\uc5d0\uc11c Entity\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
HTTP Request -> Request DTO -> Service -> Entity -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\uc751\ub2f5\ub3c4 \ubcc4\ub3c4\uc758 DTO\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Database -> Entity -> Service -> Response DTO -> HTTP Response\n<\/code><\/pre>\n\n\n\n
\uc774\ub807\uac8c \ud558\uba74 API\uc758 \ub370\uc774\ud130 \uad6c\uc870\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uad6c\uc870\ub97c \ubd84\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Entity\uc5d0 \ud544\ub4dc\ub97c \ucd94\uac00\ud588\ub2e4\uace0 \ud574\uc11c API \uc751\ub2f5 \uad6c\uc870\uac00 \ubc18\ub4dc\uc2dc \ubcc0\uacbd\ub418\ub294 \uad6c\uc870\ub97c \ud53c\ud560 \uc218 \uc788\ub2e4\ub294 \uc7a5\uc810\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Transaction<\/h2>\n\n\n\n
\ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc791\uc5c5\uc744 \ud558\ub098\uc758 \uc791\uc5c5 \ub2e8\uc704\ub85c \ucc98\ub9ac\ud574\uc57c \ud560 \ub54c Transaction\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uc8fc\ubb38\uc744 \ucc98\ub9ac\ud558\uba74\uc11c \uc8fc\ubb38\uc744 \uc800\uc7a5\ud558\uace0 \uc7ac\uace0\ub97c \uac10\uc18c\uc2dc\ud0a8\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n
@Transactional\npublic void order() {\n\n    orderRepository.save(order);\n\n    inventory.decrease();\n}\n<\/code><\/pre>\n\n\n\n
\ub450 \uc791\uc5c5\uc774 \ubaa8\ub450 \uc815\uc0c1\uc801\uc73c\ub85c \ucc98\ub9ac\ub418\uc5b4\uc57c \ud55c\ub2e4\uba74 \ud558\ub098\uc758 Transaction\uc73c\ub85c \ubb36\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc815\uc0c1\uc801\uc73c\ub85c \uc644\ub8cc\ub418\uba74 Commit\ud55c\ub2e4.<\/p>\n\n\n\n
Transaction Start -> \uc8fc\ubb38 \uc800\uc7a5 -> \uc7ac\uace0 \uac10\uc18c -> \uc815\uc0c1 \uc885\ub8cc -> Commit\n<\/code><\/pre>\n\n\n\n
\uc911\uac04\uc5d0 \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\uba74 Rollback\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Transaction Start -> \uc8fc\ubb38 \uc800\uc7a5 -> \uc7ac\uace0 \uac10\uc18c \uc2e4\ud328 -> Rollback\n<\/code><\/pre>\n\n\n\n
Spring\uc758 @Transactional<\/code>\uc740 \ub2e8\uc21c\ud55c DB \ud3b8\uc758 \uae30\ub2a5\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
Spring\uc758 Transaction \uad00\ub9ac\uc640 Proxy \uae30\ubc18 AOP \uad6c\uc870\uac00 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c \uc774\ud6c4 AOP\ub97c \uacf5\ubd80\ud558\uba74 @Transactional<\/code>\uc758 \ub3d9\uc791 \uad6c\uc870\ub3c4 \ub354 \uba85\ud655\ud558\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
AOP<\/h2>\n\n\n\n
\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \uc5ec\ub7ec \ud074\ub798\uc2a4\uc5d0\uc11c \ubc18\ubcf5\uc801\uc73c\ub85c \ud544\uc694\ud55c \uae30\ub2a5\uc774 \uc788\ub2e4.<\/p>\n\n\n\n
\ub300\ud45c\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \uac83\ub4e4\uc774 \uc788\ub2e4.<\/p>\n\n\n\n
Logging\nTransaction\nPerformance Measurement\nSecurity\n<\/code><\/pre>\n\n\n\n
\uc774\ub7f0 \uae30\ub2a5\uc744 \ubaa8\ub4e0 \uba54\uc11c\ub4dc\uc5d0 \uc9c1\uc811 \uc791\uc131\ud558\uba74 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uacfc \uacf5\ud1b5 \uae30\ub2a5\uc774 \uc11e\uc778\ub2e4.<\/p>\n\n\n\n
public void createUser() {\n\n    log.info(\"start\");\n\n    \/\/ \uc2e4\uc81c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\n\n    log.info(\"end\");\n}\n<\/code><\/pre>\n\n\n\n
AOP\ub294 \uc774\ub7ec\ud55c \uacf5\ud1b5 \uad00\uc2ec\uc0ac\ub97c \ubcc4\ub3c4\ub85c \ubd84\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n\n\n\n
Business Logic + Cross-cutting Concern\n<\/code><\/pre>\n\n\n\n
Spring\uc5d0\uc11c\ub294 Proxy\ub97c \uc774\uc6a9\ud55c AOP\uac00 \ub9ce\uc774 \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n\n\n\n
Client -> Proxy -> Target Object -> Business Logic\n<\/code><\/pre>\n\n\n\n
@Transactional<\/code> \uc5ed\uc2dc \uc774\ub7ec\ud55c Proxy \uad6c\uc870\uc640 \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n
AOP\ub97c \ucc98\uc74c\ubd80\ud130 \uae4a\uac8c \ud30c\uace0\ub4e4 \ud544\uc694\ub294 \uc5c6\uc9c0\ub9cc, \ubc18\ubcf5\ub418\ub294 \uacf5\ud1b5 \uae30\ub2a5\uc744 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uacfc \ubd84\ub9ac\ud558\uae30 \uc704\ud55c \uad6c\uc870<\/strong>\ub77c\ub294 \uc810\uc740 \uc774\ud574\ud558\uace0 \ub118\uc5b4\uac00\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Spring Security<\/h2>\n\n\n\n
\uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub294 \ub85c\uadf8\uc778\uacfc \uad8c\ud55c \ucc98\ub9ac\uac00 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n
Spring\uc5d0\uc11c\ub294 Spring Security\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uba3c\uc800 \uc778\uc99d\uacfc \uc778\uac00\ub97c \uad6c\ubd84\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
Authentication -> \uc0ac\uc6a9\uc790\uac00 \ub204\uad6c\uc778\uc9c0 \ud655\uc778\nAuthorization -> \uc0ac\uc6a9\uc790\uac00 \ubb34\uc5c7\uc744 \ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\n<\/code><\/pre>\n\n\n\n
Spring Security\ub294 Filter \uae30\ubc18 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud574 Controller\uc5d0 \uc694\uccad\uc774 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \ubcf4\uc548 \uad00\ub828 \ucc98\ub9ac\ub97c \uc218\ud589\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub300\ub7b5\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
HTTP Request -> Security Filter Chain -> Authentication \/ Authorization -> DispatcherServlet -> Controller\n<\/code><\/pre>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uc778\uc99d\uc774 \ud544\uc694\ud55c API\ub77c\uba74 Controller\uac00 \uc2e4\ud589\ub418\uae30 \uc804\uc5d0 \uc778\uc99d \uc815\ubcf4\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
JWT\ub098 OAuth2 \uac19\uc740 \uc778\uc99d \ubc29\uc2dd\ub3c4 Spring Security\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc911\uc694\ud55c \uac83\uc740 \uc778\uc99d\uacfc \uc778\uac00\ub97c Client\uc5d0\uc11c\ub9cc \ucc98\ub9ac\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
Client UI\uc5d0\uc11c \ubc84\ud2bc \uc228\uae40 -> \ubcf4\uc548 \uae30\ub2a5 \uc544\ub2d8\nServer\uc5d0\uc11c \uc778\uc99d \ud655\uc778 -> \ud544\uc694\nServer\uc5d0\uc11c \uad8c\ud55c \ud655\uc778 -> \ud544\uc694\n<\/code><\/pre>\n\n\n\n
\uc2e4\uc81c \ub370\uc774\ud130 \uc811\uadfc\uc774\ub098 API, Service, Server Action\uc5d0 \ud574\ub2f9\ud558\ub294 \uc11c\ubc84 \uacbd\uacc4\uc5d0\uc11c\ub3c4 \ud544\uc694\ud55c \uad8c\ud55c \uac80\uc99d\uc774 \uc774\ub8e8\uc5b4\uc838\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Spring Boot<\/h2>\n\n\n\n
Spring\uacfc Spring Boot\ub294 \uad6c\ubd84\ud574\uc11c \ubcfc \ud544\uc694\uac00 \uc788\ub2e4.<\/p>\n\n\n\n
Spring\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc744 \uc704\ud55c \ud504\ub808\uc784\uc6cc\ud06c\uc774\uace0, Spring Boot\ub294 Spring \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ube60\ub974\uac8c \uad6c\uc131\ud558\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud558\ub294 \ud504\ub85c\uc81d\ud2b8\ub2e4.<\/p>\n\n\n\n
Spring Boot\uc5d0\uc11c\ub294 \ub9ce\uc740 \uc124\uc815\uc774 \uc790\ub3d9\uc73c\ub85c \uad6c\uc131\ub41c\ub2e4.<\/p>\n\n\n\n
@SpringBootApplication\npublic class Application {\n\n    public static void main(String[] args) {\n        SpringApplication.run(Application.class, args);\n    }\n}\n<\/code><\/pre>\n\n\n\n
\ub610\ud55c \ub0b4\uc7a5 \uc11c\ubc84\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ubcc4\ub3c4\uc758 \uc678\ubd80 \uc11c\ubc84\ub97c \uc9c1\uc811 \uad6c\uc131\ud558\uc9c0 \uc54a\uc544\ub3c4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc758\uc874\uc131\uc5d0 \ub530\ub77c \ud544\uc694\ud55c \uc124\uc815\uc744 \uc790\ub3d9\uc73c\ub85c \uad6c\uc131\ud558\ub294 Auto Configuration\ub3c4 Spring Boot\uc758 \ud575\uc2ec \uae30\ub2a5 \uc911 \ud558\ub098\ub2e4.<\/p>\n\n\n\n
\uc2e4\uc81c Spring \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \ub300\ubd80\ubd84 Spring Boot\ub97c \uae30\ubc18\uc73c\ub85c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\uc131\ud55c\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Spring\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 Annotation<\/h2>\n\n\n\n
Spring\uc744 \uacf5\ubd80\ud558\ub2e4 \ubcf4\uba74 \ub9ce\uc740 Annotation\uc744 \ub9cc\ub098\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n
\ucc98\uc74c\ubd80\ud130 \uc804\ubd80 \uc678\uc6b0\uae30\ubcf4\ub2e4 \uc5ed\ud560\uc744 \uae30\uc900\uc73c\ub85c \ubb36\uc5b4 \ubcf4\ub294 \ud3b8\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n
Bean \ub4f1\ub85d<\/h3>\n\n\n\n
@Component\n@Service\n@Repository\n@Controller\n@RestController\n<\/code><\/pre>\n\n\n\n
Spring Container\uac00 \uad00\ub9ac\ud560 \uac1d\uccb4\ub97c \ub4f1\ub85d\ud558\ub294 \ub370 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
Dependency Injection<\/h3>\n\n\n\n
@Autowired\n<\/code><\/pre>\n\n\n\n
\uc758\uc874\uc131\uc744 \uc8fc\uc785\ud560 \ub54c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub2e4\ub9cc \ucd5c\uadfc\uc5d0\ub294 \uc0dd\uc131\uc790 \uc8fc\uc785\uc744 \uc8fc\ub85c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 \uc0dd\uc131\uc790\uac00 \ud558\ub098\ub77c\uba74 @Autowired<\/code>\ub97c \uc9c1\uc811 \uc791\uc131\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/p>\n\n\n\n
HTTP Request<\/h3>\n\n\n\n
@GetMapping\n@PostMapping\n@PutMapping\n@DeleteMapping\n@RequestBody\n@PathVariable\n@RequestParam\n<\/code><\/pre>\n\n\n\n
Controller\uc5d0\uc11c HTTP \uc694\uccad\uc744 \ucc98\ub9ac\ud560 \ub54c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
Configuration<\/h3>\n\n\n\n
@Configuration\n@Bean\n@Value\n<\/code><\/pre>\n\n\n\n
Spring\uc758 \uc124\uc815\uacfc Bean\uc744 \uad6c\uc131\ud560 \ub54c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
Transaction<\/h3>\n\n\n\n
@Transactional\n<\/code><\/pre>\n\n\n\n
Transaction \uacbd\uacc4\ub97c \uc124\uc815\ud560 \ub54c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
Annotation\uc744 \ub2e8\uc21c\ud788 \uc554\uae30\ud558\uae30\ubcf4\ub2e4 \uc5b4\ub290 \uacc4\uce35\uc5d0\uc11c \uc5b4\ub5a4 \ubaa9\uc801\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294\uac00<\/strong>\ub97c \uae30\uc900\uc73c\ub85c \ubcf4\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
\uc804\uccb4\uc801\uc778 Spring \uad6c\uc870<\/h2>\n\n\n\n
\uc9c0\uae08\uae4c\uc9c0\uc758 \ub0b4\uc6a9\uc744 \ud558\ub098\ub85c \uc5f0\uacb0\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \ud750\ub984\uc774 \ub41c\ub2e4.<\/p>\n\n\n\n
Client -> HTTP Request -> Security Filter Chain -> DispatcherServlet -> Controller -> Service -> Repository -> JPA \/ Hibernate -> JDBC -> Database\n<\/code><\/pre>\n\n\n\n
\uadf8\ub9ac\uace0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 Bean\ub4e4\uc740 Spring Container\uac00 \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Spring Container -> Controller Bean -> Service Bean -> Repository Bean\n<\/code><\/pre>\n\n\n\n
Bean \uc0ac\uc774\uc758 \uc758\uc874\uc131\ub3c4 Spring\uc774 \uc5f0\uacb0\ud55c\ub2e4.<\/p>\n\n\n\n
Spring Container -> Dependency Injection -> Object Graph \uad6c\uc131\n<\/code><\/pre>\n\n\n\n
Transaction\uacfc AOP \uac19\uc740 \uae30\ub2a5\uc740 \uac1d\uccb4 \uc2e4\ud589 \uacfc\uc815\uc5d0 \uac1c\uc785\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Client -> Proxy -> Target Bean -> Business Logic\n<\/code><\/pre>\n\n\n\n
\uc774 \uad6c\uc870\ub97c \uc54c\uace0 \uc788\uc73c\uba74 \uac01\uac01\uc758 Spring \uae30\ub2a5\uc774 \uc11c\ub85c \ub5a8\uc5b4\uc9c4 \uae30\ub2a5\uc774 \uc544\ub2c8\ub77c \ud558\ub098\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud750\ub984 \uc548\uc5d0\uc11c \uc5f0\uacb0\ub418\uc5b4 \uc788\ub2e4\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Spring\uc5d0\uc11c \ud568\uaed8 \uc54c\uc544\uc57c \ud560 \uac83<\/h2>\n\n\n\n
Spring\ub9cc \uacf5\ubd80\ud574\uc11c \uc6f9 \uac1c\ubc1c \uc804\uccb4\ub97c \uc774\ud574\ud558\uae30\ub294 \uc5b4\ub835\ub2e4.<\/p>\n\n\n\n
Spring\uc740 \uc5ec\ub7ec \uae30\uc220\uc744 \uc5f0\uacb0\ud574\uc11c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\uc131\ud558\ub294 \ud504\ub808\uc784\uc6cc\ud06c\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n
\uae30\ubcf8\uc801\uc73c\ub85c \ub2e4\uc74c \uae30\uc220\ub4e4\uc744 \ud568\uaed8 \uc774\ud574\ud560 \ud544\uc694\uac00 \uc788\ub2e4.<\/p>\n\n\n\n
Java -> Object-Oriented Programming -> HTTP -> Servlet -> Spring MVC -> SQL \/ Database -> JPA -> Transaction -> Spring Security\n<\/code><\/pre>\n\n\n\n
\ud2b9\ud788 Java\uc758 \uac1d\uccb4\uc9c0\ud5a5 \uac1c\ub150\uc774 \ubd80\uc871\ud558\uba74 Spring\uc758 DI\uc640 IoC\ub3c4 Annotation \uc0ac\uc6a9\ubc95 \uc815\ub3c4\ub85c\ub9cc \uc774\ud574\ud558\uae30 \uc27d\ub2e4.<\/p>\n\n\n\n
JPA\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0\uc5d0\ub294 SQL\uacfc \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uad6c\uc870\ub3c4 \uc54c\uc544\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
Spring\uc774 \ub300\uc2e0 \ucc98\ub9ac\ud558\ub294 \ubd80\ubd84\uacfc \uc2e4\uc81c \uae30\ubc18 \uae30\uc220\uc774 \ucc98\ub9ac\ud558\ub294 \ubd80\ubd84\uc744 \uad6c\ubd84\ud574\uc11c \ubcf4\ub294 \uac83\ub3c4 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Spring\uc744 \ud558\ub098\uc758 \ud750\ub984\uc73c\ub85c \ubcf4\uba74<\/h2>\n\n\n\n
Spring\uc758 \ud575\uc2ec\uc740 \ud06c\uac8c \ub450 \uac00\uc9c0 \ud750\ub984\uc73c\ub85c \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uccab \ubc88\uc9f8\ub294 \uac1d\uccb4 \uad00\ub9ac<\/strong>\ub2e4.<\/p>\n\n\n\n
Configuration -> Bean \uc0dd\uc131 -> Dependency Injection -> Spring Container\uc5d0\uc11c \uad00\ub9ac\n<\/code><\/pre>\n\n\n\n
\ub450 \ubc88\uc9f8\ub294 HTTP \uc694\uccad \ucc98\ub9ac<\/strong>\ub2e4.<\/p>\n\n\n\n
HTTP Request -> Security Filter Chain -> DispatcherServlet -> Controller -> Service -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\uc774 \ub458\uc774 \uacb0\ud569\ud574\uc11c \ud558\ub098\uc758 Spring \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\uc131\ud55c\ub2e4.<\/p>\n\n\n\n
HTTP Request -> Spring MVC -> Controller -> Service -> Repository -> Database\n                         ^\n                         |\n                  Spring Container\n                  Bean \/ DI \/ AOP\n<\/code><\/pre>\n\n\n\n
\uc5ec\uae30\uc5d0 \ub370\uc774\ud130 \ubcc0\uacbd\uc774 \ud544\uc694\ud558\uba74 Transaction\uc774 \ubd99\uace0, \uc778\uc99d\uacfc \uad8c\ud55c\uc774 \ud544\uc694\ud558\uba74 Security\uac00 \uc694\uccad \ucc98\ub9ac \uc55e\ub2e8\uc5d0 \ubd99\ub294\ub2e4.<\/p>\n\n\n\n
Client -> Security -> Spring MVC -> Controller -> Service -> Transaction -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
Spring\uacfc Spring Boot\uc758 \uad00\uacc4<\/h2>\n\n\n\n
\uc804\uccb4 \uad6c\uc870\ub97c \uc815\ub9ac\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Spring Boot -> Spring Framework -> Spring MVC \/ DI \/ AOP \/ Transaction \/ Security Integration\n<\/code><\/pre>\n\n\n\n
\uc2e4\uc81c \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 Spring Boot\uac00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc2e4\ud589\uacfc \uc124\uc815\uc744 \ud3b8\ub9ac\ud558\uac8c \ub9cc\ub4e4\uc5b4\uc8fc\uace0, \uadf8 \uc704\uc5d0\uc11c Spring\uc758 \uc5ec\ub7ec \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c Spring\uc744 \uacf5\ubd80\ud55c\ub2e4\ub294 \uac83\uc740 \ub2e8\uc21c\ud788 @Controller<\/code>\ub098 @Service<\/code>\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6b0\ub294 \uac83\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
Java Object -> Spring Container -> Dependency Injection -> HTTP Request -> Spring MVC -> Business Logic -> Database\n<\/code><\/pre>\n\n\n\n
\uc774 \uc804\uccb4 \ud750\ub984\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud575\uc2ec\uc774\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
\uc815\ub9ac<\/h2>\n\n\n\n
Spring\uc744 \ucc98\uc74c \ubcf4\uba74 \uc218\ub9ce\uc740 Annotation\uacfc \uae30\ub2a5 \ub54c\ubb38\uc5d0 \ubcf5\uc7a1\ud574 \ubcf4\uc778\ub2e4.<\/p>\n\n\n\n
\ud558\uc9c0\ub9cc \ud575\uc2ec \uad6c\uc870\ub97c \uc7a1\uc73c\uba74 \ud06c\uac8c \ubcf5\uc7a1\ud558\uc9c0 \uc54a\ub2e4.<\/p>\n\n\n\n
Spring Container\uac00 \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\uace0 \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Bean Definition -> Bean Creation -> Dependency Injection -> Object Management\n<\/code><\/pre>\n\n\n\n
Spring MVC\ub294 HTTP \uc694\uccad\uc744 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc73c\ub85c \uc5f0\uacb0\ud55c\ub2e4.<\/p>\n\n\n\n
HTTP Request -> DispatcherServlet -> Controller\n<\/code><\/pre>\n\n\n\n
\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub0b4\ubd80\uc5d0\uc11c\ub294 \uc5ed\ud560\uc744 \ub098\ub220\uc11c \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Controller -> Service -> Repository\n<\/code><\/pre>\n\n\n\n
Repository\ub294 JPA \ub4f1\uc758 \uae30\uc220\uc744 \uc774\uc6a9\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \ud1b5\uc2e0\ud55c\ub2e4.<\/p>\n\n\n\n
Repository -> Spring Data JPA -> JPA -> Hibernate -> JDBC -> Database\n<\/code><\/pre>\n\n\n\n
Transaction\uacfc AOP\ub294 \uac1d\uccb4 \uc2e4\ud589 \uacfc\uc815\uc5d0 \uac1c\uc785\ud558\uace0, Security\ub294 \uc694\uccad \ucc98\ub9ac \uacfc\uc815\uc5d0\uc11c \uc778\uc99d\uacfc \uc778\uac00\ub97c \ub2f4\ub2f9\ud55c\ub2e4.<\/p>\n\n\n\n
Request -> Security -> Controller -> Service -> Transaction -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\uacb0\uad6d Spring\uc5d0\uc11c \uac00\uc7a5 \uba3c\uc800 \uc774\ud574\ud574\uc57c \ud560 \uac83\uc740 Annotation \ubaa9\ub85d\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\uac1d\uccb4\uac00 \uc5b4\ub5bb\uac8c \uc0dd\uc131\ub418\uace0, \uc11c\ub85c \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ub418\uba70, HTTP \uc694\uccad \ud558\ub098\uac00 \uc5b4\ub5a4 \uacc4\uce35\uc744 \uac70\uccd0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uae4c\uc9c0 \ub3c4\ub2ec\ud558\ub294\uac00<\/strong>\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \uba3c\uc800\ub2e4.<\/p>\n\n\n\n
\uadf8 \uad6c\uc870\ub97c \uc774\ud574\ud558\uba74 @Service<\/code>, @Repository<\/code>, @Transactional<\/code>, @Autowired<\/code> \uac19\uc740 Annotation\ub3c4 \ub2e8\uc21c\ud788 \uc678\uc6cc\uc57c \ud558\ub294 \ubb38\ubc95\uc774 \uc544\ub2c8\ub77c \uac1d\uccb4 \uad6c\uc870\uc640 \uc2e4\ud589 \ud750\ub984\uc758 \ud2b9\uc815 \uc9c0\uc810\uc5d0 \ubd99\ub294 \uae30\ub2a5<\/strong>\uc73c\ub85c \ubcf4\uc774\uae30 \uc2dc\uc791\ud55c\ub2e4.<\/p>\n\n\n\n
Spring\uc744 \ud558\ub098\uc758 \ud750\ub984\uc73c\ub85c \uc555\ucd95\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
HTTP Request -> Security -> DispatcherServlet -> Controller -> Service -> Repository -> Database\n<\/code><\/pre>\n\n\n\n
\uadf8\ub9ac\uace0 \uc774 \uac1d\uccb4\ub4e4\uc744 \uad6c\uc131\ud558\uace0 \uc5f0\uacb0\ud558\ub294 \uae30\ubc18\uc5d0\ub294 \ub2e4\uc74c \uad6c\uc870\uac00 \uc788\ub2e4.<\/p>\n\n\n\n
Spring Container -> Bean -> Dependency Injection -> Object Graph\n<\/code><\/pre>\n\n\n\n
\uacb0\uad6d Spring \uac1c\ubc1c\uc758 \ud575\uc2ec\uc740 \uac1d\uccb4\uc758 \ucc45\uc784\uacfc \uc758\uc874\uad00\uacc4\ub97c \uc124\uacc4\ud558\uace0, HTTP \uc694\uccad\uc774 \uadf8 \uac1d\uccb4\ub4e4\uc744 \uc5b4\ub5a4 \uc21c\uc11c\ub85c \ud1b5\uacfc\ud558\ub294\uc9c0\ub97c \uad00\ub9ac\ud558\ub294 \uac83<\/strong>\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
Spring\uc740 Java\ub85c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \ub54c \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 \ud504\ub808\uc784\uc6cc\ud06c\ub2e4. \ucc98\uc74c Spring\uc744 \ubcf4\uba74 @Controller, @Service, @Repository, @Autowired, @Transactional\ucc98\ub7fc \uc0dd\uc18c\ud55c \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uacc4\uc18d \ub4f1\uc7a5\ud55c\ub2e4. \uc5ec\uae30\uc5d0 Spring MVC, JPA, Security, AOP\uae4c\uc9c0 \ubd99\uc73c\uba74\uc11c \uac01\uac01\uc758 \uae30\ub2a5\uc744 \ub530\ub85c \uc678\uc6b0\uae30 \uc27d\ub2e4. \ud558\uc9c0\ub9cc Spring\uc744 \uc774\ud574\ud560 \ub54c \uba3c\uc800 \ubd10\uc57c \ud558\ub294 \uac83\uc740 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc544\ub2c8\ub2e4. \uac1d\uccb4\uac00 \uc5b4\ub5bb\uac8c \ub9cc\ub4e4\uc5b4\uc9c0\uace0, \uc11c\ub85c \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ub418\uba70, HTTP \uc694\uccad\uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub0b4\ubd80\ub97c \uc5b4\ub5bb\uac8c \ud1b5\uacfc\ud558\ub294\uac00\ub97c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-1658","post","type-post","status-publish","format-standard","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1658","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1658"}],"version-history":[{"count":6,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1658\/revisions"}],"predecessor-version":[{"id":1946,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1658\/revisions\/1946"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}