zyc_admin/uml/api-service-class.plantuml

@startuml
skinparam style strictuml

class UserController {
  +getUser(userId: Long): User
  +createUser(user: User): User
  +updateUser(userId: Long, user: User): User
  +deleteUser(userId: Long): void
}

class UserService {
  +findUserById(userId: Long): User
  +saveUser(user: User): User
  +updateUser(userId: Long, user: User): User
  +removeUser(userId: Long): void
}

class UserRepository {
  +findById(userId: Long): User
  +save(user: User): User
  +deleteById(userId: Long): void
}

class User {
  -id: Long
  -name: String
  -email: String
  +getId(): Long
  +setId(id: Long): void
  +getName(): String
  +setName(name: String): void
  +getEmail(): String
  +setEmail(email: String): void
}

UserController --> UserService
UserService --> UserRepository
UserRepository --> User
@enduml