修改了background代码！！！！import 修改了库存日志数据库，前端修改，添加库存日志导出功能

DOAN.Service/PBL/StoragelocationService.cs

@@ -65,6 +65,22 @@ namespace DOAN.Service.PBL
             return Update(model, true);
         }
 
+        public List<StoragelocationPartNumberGroupDto> GetPartNumberList()
+        {
+            var response = Queryable()
+                .GroupBy(it=>it.Partnumber)
+                .OrderBy(it=>it.RackCode)
+                .Select(it=>new StoragelocationPartNumberGroupDto()
+                {
+                    RackCode = SqlFunc.AggregateMax(it.RackCode),
+                    Partnumber = SqlFunc.AggregateMax( it.Partnumber),
+                    PackageNum = SqlFunc.AggregateSum(it.PackageNum) ?? 0
+                })
+                .ToList();
+            return response;
+        }
+
+
         /// <summary>
         /// 查询导出表达式
         /// </summary>
@@ -79,5 +95,7 @@ namespace DOAN.Service.PBL
 
             return predicate;
         }
+
+
     }
 }