更新时,只更新传入字段

applications/purchase/purchase-server/src/main/java/com/usoftchina/saas/purchase/service/impl/PurchaseServiceImpl.java

@@ -102,7 +102,7 @@ public class PurchaseServiceImpl extends CommonBaseServiceImpl<PurchaseMapper, P
         //判断更新与保存动作
         if (!StringUtils.isEmpty(pu_id)) {
             //更新主表
-            purchaseMapper.updateByPrimaryKey(purchase);
+            purchaseMapper.updateByPrimaryKeySelective(purchase);
             //添加从表传输对象
             for (PurchaseItemDTO item : items) {
                 PurchaseItem detail = BeanMapper.map(item, PurchaseItem.class);