添加库存管理，入库、出库，收款、回款接口

Yi.Framework.Net6/Yi.Framework.DtoModel/ERP/Purchase/CollectionInput.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Yi.Framework.DtoModel.ERP.Purchase
+{
+    /// <summary>
+    /// 回款
+    /// </summary>
+    public class CollectionInput
+    {
+        /// <summary>
+        /// 采购订单id
+        /// </summary>
+        public long PurchaseId { get; set; }
+
+        /// <summary>
+        ///回款钱
+        /// </summary>
+        public float CollectionMoney { get; set; }
+    }
+
+}