优化全退功能

src/main/java/cn/hnthyy/thmz/service/impl/his/mz/MzChargeDetailServiceImpl.java

@@ -3452,7 +3452,7 @@ public class MzChargeDetailServiceImpl implements MzChargeDetailService {
             mzVisitTableMapper.insertMzVisitTable(newMzVisitTable);
         }
         List<MzChargeDetail> newMzChargeDetailList = new ArrayList<>();
-        Integer itemNo = null;
+        Integer itemNo = 0;
         List<String> billItemCodeList = Arrays.asList(Constants.SSWRF);
         Set<String> tcNos = new HashSet<>();
         int receiptNo = 1;
@@ -3516,7 +3516,7 @@ public class MzChargeDetailServiceImpl implements MzChargeDetailService {
                 temp.setPrintFlagYj(null);
                 temp.setConfirmFlagQx(null);
                 newMzChargeDetailList.add(temp);
-                if(itemNo==null || itemNo<temp.getItemNo()){
+                if(itemNo==0 || itemNo<temp.getItemNo()){
                     itemNo=temp.getItemNo();
                 }
             }