fix(production): 修复产品结构遍历时空对象导致的异常

buhuazhen

5 天以前 211b87f775899d965be142e3a89d70fc96a24ea4

 src/main/java/com/ruoyi/measuringinstrumentledger/service/impl/MeasuringInstrumentLedgerServiceImpl.java

@@ -8,7 +8,6 @@
import com.ruoyi.common.enums.FileNameType;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.poi.ExcelUtil;
import com.ruoyi.framework.web.domain.AjaxResult;
import com.ruoyi.measuringinstrumentledger.dto.MeasuringInstrumentLedgerDto;
import com.ruoyi.measuringinstrumentledger.mapper.MeasuringInstrumentLedgerMapper;
import com.ruoyi.measuringinstrumentledger.mapper.MeasuringInstrumentLedgerRecordMapper;