package com.example.fms.service; import lombok.RequiredArgsConstructor; import lombok.extern.slf4j.Slf4j; import org.springframework.stereotype.Service; /** * @Author xiexiang * @Date 2023/10/20 */ @Slf4j @Service @RequiredArgsConstructor public class FileFactory { public static IFileFactory createObject(Integer sourceId){ IFileFactory factoryObject = null; switch(sourceId){ case 1: return factoryObject; default: return null; } } }