修改库存导入功能

src/main/java/com/dreamchaser/depository_manage/service/impl/ExcelServiceImpl.java

@@ -314,7 +314,12 @@ public class ExcelServiceImpl implements ExcelService {
 
                 Material material = materialService.findMaterialByMnameAndVersion(insert);
                 if (material == null) {
-                    material = materialService.findMaterialByCode(excelInfoByInventory.getCode());
+                    String code = excelInfoByInventory.getCode();
+                    if (code != null && !"".equals(code)) {
+                        material = materialService.findMaterialByCode(code);
+                    }else{
+                        material = materialMapper.findMaterialByCondition(insert).get(0);
+                    }
                 }
 
                 // 添加库存记录