销售订单：增加 判断单据是否存在的方法

duhe

2023-11-16 1f04dee5f7849d8c0506c9ace925bec768539ea3

 WebAPI/Models/HSouceOrderList.cs

@@ -30,6 +30,7 @@
        public string HBatchNo{get;set;} // "批号";
        public int HGiveAwayFlag{get;set;} // "是否赠品";
        public string HQty{get;set;} // "数量";
        public string HinitQty { get;set;} // "数量";
        public string HMinQty{get;set;} // "最小包装数";
        public string HPackQty{get;set;} // "外箱数";
        public string HBQty{get;set;} // "箱数";