조회 & 검색 그리고 유효성 검사 DeviceRepository package com.apiservice.repository; import com.apiservice.model.DeviceDTO; import com.apiservice.model.DeviceVO; import com.apiservice.model.ListDTO; import org.springframework.stereotype.Repository; import java.util.List; @Repository public interface DeviceRepository { void deviceInsert(DeviceVO deviceVO); void deviceDelete(Integer serviceNumber); DeviceVO get..