这是我第一次在Spring Boot 时创建API，我正在尝试创建事务API。运行应用程序时，我收到此错误**说明：***TransactionService.transactionService.modal.TransactionRequest中构造函数的参数0需要一个类型为'int'的Bean，但找不到该Bean。***操作：**考虑在配置中定义类型为'int'的Bean。
莫代尔 Package ：交易实体

@Getter
@Setter
@Builder
@Entity
public class TransactionEntity {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private  int transactionId;
    @NotNull
    @Column(unique = true)
    private UUID externalId;
    @NotNull
    private int userId;
    @NotNull
    private int merchantId;
    @NotNull
    private int clientReferenceId;
    @NotNull
    private double amount;
    @Enumerated(EnumType.STRING)
    @NotNull
    private TransactionStatus status;
    @NotNull
    private String createdBy;
     private String updatedBy;
     @NotNull
    private LocalDateTime createdAt;
     @NotNull
    private LocalDateTime updatedAt;
}

交易请求

@Component
@Data
@Builder

public class TransactionRequest {
      private int userId;
      private int merchantId;
      private int clientReferenceId;
      private double amount;
      private String createdBy;

}

交易响应

@Component
@Data
@Builder
public class TransactionResponse {
    private int userId;
    private int merchantId;
    private int clientReferenceId;
    private double amount;
    private LocalDateTime createdAt;
    private TransactionStatus status;
}

交易道

@Component
    // Dao class
    public class TransactionDao {

        @Autowired
        TransactionRepository transactionRepository;
        TransactionEntity transactionEntity;
        public TransactionResponse createTransaction(TransactionRequest transactionRequest){

            LocalDateTime cuurentTime = LocalDateTime.now();
            transactionEntity.builder().userId(transactionRequest.getUserId())
                    .merchantId(transactionRequest.getMerchantId())
                    .clientReferenceId(transactionRequest.getClientReferenceId())
                    .amount(transactionRequest.getAmount())
                    .createdBy(transactionRequest.getCreatedBy())
                    .createdAt(cuurentTime)
                    .updatedAt(cuurentTime)
                    .externalId(UUID.randomUUID())
                    .status(TransactionStatus.CREATED);
            transactionRepository.save(transactionEntity);
            return TransactionResponse.builder().status(transactionEntity.getStatus())
                    .createdAt(transactionEntity.getCreatedAt()).build();

        }

    }

交易服务

@Service
public class TransactoinService {
     @Autowired
     public TransactionDao transactionDao;
     public TransactionResponse createTransaction(TransactionRequest transactionRequest){
           return transactionDao.createTransaction(transactionRequest);
     }

}

交易控制器

@RestController
public class TransactionController {
    @Autowired
    TransactoinService transactoinService;
    @PostMapping
    TransactionResponse  createTransaction(@RequestBody TransactionRequest transactionRequest){
        return transactoinService.createTransaction(transactionRequest);
    }
}