\n5. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\ud558\uae30<\/h3>\n
\uc774\uc81c \uac04\ub2e8\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\uc744 \ucd94\uac00\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. H2 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud55c CRUD \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n
5.1 H2 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc758\uc874\uc131 \ucd94\uac00<\/h4>\n
pom.xml \ud30c\uc77c\uc744 \uc5f4\uc5b4 \ub2e4\uc74c \uc758\uc874\uc131\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4:<\/p>\n
\n\n com.h2database<\/groupid>\n h2<\/artifactid>\n runtime<\/scope>\n<\/dependency>\n <\/code><\/pre>\n5.2 application.properties \uc124\uc815<\/h4>\n
src\/main\/resources\/application.properties \ud30c\uc77c\uc5d0 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4:<\/p>\n
\nspring.h2.console.enabled=true\nspring.datasource.url=jdbc:h2:mem:testdb\nspring.datasource.driverClassName=org.h2.Driver\nspring.datasource.username=sa\nspring.datasource.password=\nspring.jpa.hibernate.ddl-auto=update\n <\/code><\/pre>\n5.3 Entity \ud074\ub798\uc2a4 \uc0dd\uc131<\/h4>\n
src\/main\/java\/com\/example\/demo\/entity \ub514\ub809\ud1a0\ub9ac\ub97c \ub9cc\ub4e4\uace0, User.java \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\npackage com.example.demo.entity;\n\nimport javax.persistence.Entity;\nimport javax.persistence.GeneratedValue;\nimport javax.persistence.GenerationType;\nimport javax.persistence.Id;\n\n@Entity\npublic class User {\n @Id\n @GeneratedValue(strategy = GenerationType.IDENTITY)\n private Long id;\n private String name;\n private String email;\n\n \/\/ Getters and Setters\n}\n <\/code><\/pre>\n5.4 Repository \uc778\ud130\ud398\uc774\uc2a4 \ub9cc\ub4e4\uae30<\/h4>\n
src\/main\/java\/com\/example\/demo\/repository \ub514\ub809\ud1a0\ub9ac\uc5d0 UserRepository.java \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\npackage com.example.demo.repository;\n\nimport com.example.demo.entity.User;\nimport org.springframework.data.jpa.repository.JpaRepository;\n\npublic interface UserRepository extends JpaRepository {\n}\n <\/user,><\/code><\/pre>\n5.5 \uc11c\ube44\uc2a4 \ud074\ub798\uc2a4 \uc0dd\uc131<\/h4>\n
src\/main\/java\/com\/example\/demo\/service \ub514\ub809\ud1a0\ub9ac\uc5d0 UserService.java \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\npackage com.example.demo.service;\n\nimport com.example.demo.entity.User;\nimport com.example.demo.repository.UserRepository;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.stereotype.Service;\n\nimport java.util.List;\n\n@Service\npublic class UserService {\n\n @Autowired\n private UserRepository userRepository;\n\n public List getAllUsers() {\n return userRepository.findAll();\n }\n\n public User saveUser(User user) {\n return userRepository.save(user);\n }\n}\n <\/user><\/code><\/pre>\n5.6 UserController \uc0dd\uc131<\/h4>\n
src\/main\/java\/com\/example\/demo\/controller \ub514\ub809\ud1a0\ub9ac\uc5d0 UserController.java \ud30c\uc77c\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\npackage com.example.demo.controller;\n\nimport com.example.demo.entity.User;\nimport com.example.demo.service.UserService;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping(\"\/users\")\npublic class UserController {\n\n @Autowired\n private UserService userService;\n\n @GetMapping\n public List getAllUsers() {\n return userService.getAllUsers();\n }\n\n @PostMapping\n public User createUser(@RequestBody User user) {\n return userService.saveUser(user);\n }\n}\n <\/user><\/code><\/pre>\n<\/section>\n\n6. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2e4\ud589 \ubc0f \ud14c\uc2a4\ud2b8<\/h3>\n
\uc774\uc81c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud558\uace0, Postman \ub610\ub294 cURL\uc744 \ud1b5\ud574 API\ub97c \ud14c\uc2a4\ud2b8\ud560 \ucc28\ub840\uc785\ub2c8\ub2e4.<\/p>\n
6.1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2e4\ud589<\/h4>\n
\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n
6.2 API \ud14c\uc2a4\ud2b8<\/h4>\n
GET \uc694\uccad\uc744 \ud1b5\ud574 \ubaa8\ub4e0 \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uac00\uc838\uc635\ub2c8\ub2e4:<\/p>\n
\nGET http:\/\/localhost:8080\/users\n <\/code><\/pre>\nPOST \uc694\uccad\uc744 \ud1b5\ud574 \uc0c8 \uc0ac\uc6a9\uc790\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\nPOST http:\/\/localhost:8080\/users\nContent-Type: application\/json\n\n{\n \"name\": \"John Doe\",\n \"email\": \"john@example.com\"\n}\n <\/code><\/pre>\n<\/section>\n