diff --git a/BBWYB.Server.API/Controllers/OrderController.cs b/BBWYB.Server.API/Controllers/OrderController.cs
index b2c77dc..df6335a 100644
--- a/BBWYB.Server.API/Controllers/OrderController.cs
+++ b/BBWYB.Server.API/Controllers/OrderController.cs
@@ -1,4 +1,4 @@
-using BBWYB.Server.Business.Order;
+using BBWYB.Server.Business;
 using BBWYB.Server.Model.Dto;
 using Microsoft.AspNetCore.Mvc;
 
diff --git a/BBWYB.Server.API/Controllers/PurchaseOrderController.cs b/BBWYB.Server.API/Controllers/PurchaseOrderController.cs
new file mode 100644
index 0000000..f038aa2
--- /dev/null
+++ b/BBWYB.Server.API/Controllers/PurchaseOrderController.cs
@@ -0,0 +1,37 @@
+using BBWYB.Server.Business;
+using BBWYB.Server.Model.Dto;
+using Microsoft.AspNetCore.Mvc;
+
+namespace BBWYB.Server.API.Controllers
+{
+    public class PurchaseOrderController : BaseApiController
+    {
+        private PurchaseOrderBusiness purchaseOrderBusiness;
+
+        public PurchaseOrderController(IHttpContextAccessor httpContextAccessor, PurchaseOrderBusiness purchaseOrderBusiness) : base(httpContextAccessor)
+        {
+            this.purchaseOrderBusiness = purchaseOrderBusiness;
+        }
+
+        /// <summary>
+        /// 预览订单
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        [HttpPost]
+        public PreviewOrderResponse PreviewPurchaseOrder([FromBody] PreviewOrderRequest request)
+        {
+            return purchaseOrderBusiness.PreviewPurchaseOrder(request);
+        }
+
+        /// <summary>
+        /// 创建采购单
+        /// </summary>
+        /// <param name="request"></param>
+        [HttpPost]
+        public void CreatePurchaseOrder([FromBody] CreateOrderRequest request)
+        {
+            purchaseOrderBusiness.CreatePurchaseOrder(request);
+        }
+    }
+}
diff --git a/BBWYB.Server.API/Program.cs b/BBWYB.Server.API/Program.cs
index bfbe26c..d0da2b1 100644
--- a/BBWYB.Server.API/Program.cs
+++ b/BBWYB.Server.API/Program.cs
@@ -11,6 +11,7 @@ using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Models;
 using Newtonsoft.Json.Serialization;
 using SDKAdapter.OperationPlatform.Client;
+using SDKAdapter.PurchasePlatform.Client;
 using System.Reflection;
 using System.Text;
 using Yitter.IdGenerator;
@@ -54,6 +55,7 @@ services.AddCors(options =>
 
 services.BatchRegisterServices(new Assembly[] { Assembly.Load("BBWYB.Server.Business") }, typeof(IDenpendency));
 services.AddSingleton<OP_PlatformClientFactory>();
+services.AddSingleton<PP_PlatformClientFactory>();
 services.AddMapper(new MappingProfiles());
 
 services.AddControllers(c =>
diff --git a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
index 60d381a..97e2c89 100644
--- a/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
+++ b/BBWYB.Server.Business/PurchaseOrder/PurchaseOrderBusiness.cs
@@ -1,6 +1,10 @@
 using BBWYB.Common.Log;
 using BBWYB.Common.Models;
+using BBWYB.Server.Model;
+using BBWYB.Server.Model.Db;
 using BBWYB.Server.Model.Dto;
+using FreeSql;
+using Newtonsoft.Json;
 using SDKAdapter;
 using SDKAdapter.PurchasePlatform.Client;
 using SDKAdapter.PurchasePlatform.Models;
@@ -55,5 +59,164 @@ namespace BBWYB.Server.Business
         }
 
 
+        public void CreatePurchaseOrder(CreateOrderRequest request)
+        {
+            nLogManager.Default().Info($"CreatePurchaseOrder\r\n{JsonConvert.SerializeObject(request)}");
+
+            var dbOrder = fsql.Select<Order>(request.OrderId).ToOne();
+            if (dbOrder == null)
+                throw new BusinessException("订单不存在");
+            if (dbOrder.OrderState != Enums.OrderState.等待采购 && dbOrder.OrderState != Enums.OrderState.待出库)
+                throw new BusinessException("只能为等待采购或待出库的订单进行采购");
+
+            var deleteOrderCostDetail = fsql.Delete<OrderCostDetail>().Where(ocd => ocd.OrderId == dbOrder.Id);
+            var isRepurchase = fsql.Select<OrderCost>(dbOrder.Id).Any();
+
+            #region 合并重复的采购sku
+            var repeatPurchaseSkuGroups = request.CargoParamList.GroupBy(p => p.SkuId).ToList();
+            foreach (var group in repeatPurchaseSkuGroups)
+            {
+                if (group.Count() > 1)
+                {
+                    var repeatSkus = group.ToList();
+                    foreach (var repeatSku in repeatSkus)
+                        request.CargoParamList.Remove(repeatSku);
+                    request.CargoParamList.Add(new CargoParamRequest()
+                    {
+                        BelongSkuId = repeatSkus[0].BelongSkuId,
+                        ProductId = repeatSkus[0].ProductId,
+                        SkuId = repeatSkus[0].SkuId,
+                        SpecId = repeatSkus[0].SpecId,
+                        Quantity = repeatSkus.Sum(s => s.Quantity)
+                    });
+                }
+            }
+            #endregion
+
+            var orderSkus = fsql.Select<OrderSku>().Where(osku => osku.Price != 0 && osku.OrderId == request.OrderId).ToList();
+            var orderSkuIds = orderSkus.Select(osku => osku.Id).ToList();
+
+            var client = ppPlatformClientFactory.GetClient((AdapterEnums.PlatformType)request.Platform);
+
+            var createOrderResponse = client.CreateOrder(new PP_CreateOrderRequest()
+            {
+                AppKey = request.AppKey,
+                AppSecret = request.AppSecret,
+                AppToken = request.AppToken,
+                Consignee = new PP_ConsigneeRequest()
+                {
+                    Address = request.Consignee.Address,
+                    City = request.Consignee.City,
+                    ContactName = request.Consignee.ContactName,
+                    County = request.Consignee.County,
+                    Mobile = request.Consignee.Mobile,
+                    Province = request.Consignee.Province,
+                    TelePhone = request.Consignee.TelePhone,
+                    Town = request.Consignee.Town
+                },
+                Platform = (AdapterEnums.PlatformType)request.Platform,
+                PurchaseMode = (AdapterEnums.PurchaseMode)request.PurchaseOrderMode,
+                Extensions = request.Extensions,
+                Remark = request.Remark,
+                OrderProductParamList = request.CargoParamList.Select(p => new PP_OrderProductParamRequest()
+                {
+                    ProductId = p.ProductId,
+                    Quantity = p.Quantity,
+                    SkuId = p.SkuId,
+                    SpecId = p.SpecId
+                }).ToList()
+            });
+
+            var purchaseOrderSimpleInfo = client.QueryOrderDetail(new PP_QueryOrderDetailRequest()
+            {
+                AppKey = request.AppKey,
+                AppSecret = request.AppSecret,
+                AppToken = request.AppToken,
+                OrderId = createOrderResponse.OrderId
+            });
+
+            nLogManager.Default().Info($"QueryOrderDetail\r\nShopOrderId {request.OrderId}\r\n purchaseOrderSimpleInfo\r\n{JsonConvert.SerializeObject(purchaseOrderSimpleInfo)}");
+
+
+            List<OrderCostDetail> insertOrderCostDetails = new List<OrderCostDetail>();
+            IInsert<OrderCost> insertOrderCost = null;
+            IUpdate<OrderCost> updateOrderCost = null;
+
+            foreach (var orderSku in orderSkus)
+            {
+                #region 计算当前sku的采购成本和采购运费
+                var currentOrderSkuProductAmount = 0M; //采购成本
+                var currentOrderSkuCargoParamList = request.CargoParamList.Where(p => p.BelongSkuId == orderSku.SkuId); //找当前skuId的采购skuId
+                currentOrderSkuProductAmount = purchaseOrderSimpleInfo.ItemList.Where(p => currentOrderSkuCargoParamList.Any(p1 => p1.SkuId == p.SkuId))?.Sum(p => p.ProductAmount) ?? 0M;
+
+                var currentOrderSkuFreightAmount = purchaseOrderSimpleInfo.FreightAmount / orderSkus.Count(); //采购运费(按sku数均分)
+                #endregion
+
+                #region 成本明细
+                var orderCostDetail = new OrderCostDetail()
+                {
+                    Id = idGenerator.NewLong(),
+                    ConsumableAmount = 0,
+                    CreateTime = DateTime.Now,
+                    DeductionQuantity = orderSku.ItemTotal.Value,
+                    DeliveryExpressFreight = 0,
+                    FirstFreight = 0,
+                    //OperationAmount = 0,
+                    InStorageAmount = 0,
+                    OutStorageAmount = 0,
+                    OrderId = request.OrderId,
+                    ProductId = orderSku.ProductId,
+                    PurchaseFreight = currentOrderSkuFreightAmount,
+                    //PurchaseOrderPKId = purchaseOrder.Id,
+                    PurchaseOrderId = purchaseOrderSimpleInfo.OrderId,
+                    SkuAmount = currentOrderSkuProductAmount,
+                    SkuId = orderSku.SkuId,
+                    StorageAmount = 0,
+                    //UnitCost = purchaseOrder.UnitCost,
+                    //TotalCost = currentOrderSkuProductAmount + currentOrderSkuFreightAmount//purchaseOrder.UnitCost * orderSku.ItemTotal.Value
+                };
+                //orderCostDetail.SkuGrossProfit = orderSku.Price.Value * orderCostDetail.DeductionQuantity - avgPreferential - (orderCostDetail.TotalCost + orderCostDetail.DeliveryExpressFreight) - orderSku.Price.Value * orderCostDetail.DeductionQuantity * createOnlinePurchaseOrderRequest.PlatformCommissionRatio;
+                insertOrderCostDetails.Add(orderCostDetail);
+                #endregion
+            }
+
+            #region 订单成本
+            var orderCost = new OrderCost()
+            {
+                OrderId = request.OrderId,
+                CreateTime = DateTime.Now,
+                DeliveryExpressFreight = 0,
+                IsManualEdited = false,
+                PlatformCommissionRatio = 0,
+                PreferentialAmount = 0,
+                PurchaseAmount = purchaseOrderSimpleInfo.TotalAmount
+            };
+            //orderCost.PlatformCommissionAmount = dbOrder.OrderSellerPrice * orderCost.PlatformCommissionRatio;
+            orderCost.Profit = dbOrder.OrderSellerPrice +
+                               dbOrder.FreightPrice -
+                               orderCost.PurchaseAmount -
+                               orderCost.DeliveryExpressFreight;  // -orderCost.PlatformCommissionAmount
+            if (!isRepurchase)
+            {
+                insertOrderCost = fsql.Insert(orderCost);
+            }
+            else
+            {
+                updateOrderCost = fsql.Update<OrderCost>().SetSource(orderCost).IgnoreColumns(a => new { a.CreateTime });
+            }
+            #endregion
+
+
+            fsql.Transaction(() =>
+            {
+                deleteOrderCostDetail.ExecuteAffrows();
+                fsql.Insert(insertOrderCostDetails).ExecuteAffrows();
+                updateOrderCost?.ExecuteAffrows();
+                insertOrderCost?.ExecuteAffrows();
+                fsql.Update<Order>(request.OrderId).SetIf(dbOrder.OrderState == Enums.OrderState.等待采购, o => o.OrderState, Model.Enums.OrderState.待出库)
+                                                   .Set(o => o.IsPurchased, true)
+                                                   .ExecuteAffrows();
+            });
+        }
     }
 }
diff --git a/BBWYB.Server.Model/Dto/Request/PurchaseOrder/CreateOrderRequest.cs b/BBWYB.Server.Model/Dto/Request/PurchaseOrder/CreateOrderRequest.cs
new file mode 100644
index 0000000..d802ef8
--- /dev/null
+++ b/BBWYB.Server.Model/Dto/Request/PurchaseOrder/CreateOrderRequest.cs
@@ -0,0 +1,14 @@
+namespace BBWYB.Server.Model.Dto
+{
+    public class CreateOrderRequest: PreviewOrderRequest
+    {
+        public string Extensions { get; set; }
+
+        public string Remark { get; set; }
+
+        /// <summary>
+        /// 店铺订单Id
+        /// </summary>
+        public string OrderId { get; set; }
+    }
+}
diff --git a/SDKAdapter/PurchasePlatform/Client/Base/PP_PlatformClient.cs b/SDKAdapter/PurchasePlatform/Client/Base/PP_PlatformClient.cs
index d9cad26..16dd159 100644
--- a/SDKAdapter/PurchasePlatform/Client/Base/PP_PlatformClient.cs
+++ b/SDKAdapter/PurchasePlatform/Client/Base/PP_PlatformClient.cs
@@ -35,5 +35,16 @@ namespace SDKAdapter.PurchasePlatform.Client
         {
             throw new NotImplementedException();
         }
+
+        /// <summary>
+        /// 查询订单详情
+        /// </summary>
+        /// <param name="request"></param>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        public virtual PP_QueryOrderDetailResponse QueryOrderDetail(PP_QueryOrderDetailRequest request)
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs b/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs
index 6fe3495..42b1f5b 100644
--- a/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs
+++ b/SDKAdapter/PurchasePlatform/Client/Impl/PP_1688Client.cs
@@ -191,6 +191,58 @@ namespace SDKAdapter.PurchasePlatform.Client
                 FailProductMessageList = failedOfferJArray == null ? null : failedOfferJArray.Select(failedOfferJToken => failedOfferJToken.ToString()).ToList()
             };
         }
+
+        public override PP_QueryOrderDetailResponse QueryOrderDetail(PP_QueryOrderDetailRequest request)
+        {
+            var client = GetSyncAPIClient(request.AppKey, request.AppSecret);
+            RequestPolicy reqPolicy = new RequestPolicy();
+            reqPolicy.HttpMethod = "POST";
+            reqPolicy.NeedAuthorization = false;
+            reqPolicy.RequestSendTimestamp = false;
+            reqPolicy.UseHttps = false;
+            reqPolicy.UseSignture = true;
+            reqPolicy.AccessPrivateApi = false;
+
+            Request _request = new Request();
+            APIId apiId = new APIId
+            {
+                Name = "alibaba.trade.get.buyerView",
+                NamespaceValue = "com.alibaba.trade",
+                Version = 1
+            };
+            _request.ApiId = apiId;
+
+            var param = new
+            {
+                webSite = "1688",
+                orderId = request.OrderId,
+                includeFields = "baseInfo,productItems"
+            };
+            _request.RequestEntity = param;
+            if (!string.IsNullOrEmpty(request.AppToken))
+                _request.AccessToken = request.AppToken;
+            var result = client.NewRequest(_request, reqPolicy);
+            if (result.Value<bool>("success") != true)
+                throw new Exception(result.Value<string>("errorMessage"));
+
+
+            return new PP_QueryOrderDetailResponse()
+            {
+                OrderId = request.OrderId,
+                FreightAmount = result["result"]["baseInfo"].Value<decimal>("shippingFee"),
+                ProductAmount = result["result"]["baseInfo"].Value<decimal>("totalAmount") - result["result"]["baseInfo"].Value<decimal>("shippingFee"),
+                TotalAmount = result["result"]["baseInfo"].Value<decimal>("totalAmount"),
+                ItemList = result["result"]["productItems"].Select(itemJToken => new PP_QueryOrderDetailSkuResponse()
+                {
+                    ProductId = itemJToken.Value<string>("productID"),
+                    SkuId = itemJToken.Value<string>("skuID"),
+                    SpecId = itemJToken.Value<string>("specId"),
+                    ProductAmount = itemJToken.Value<decimal>("itemAmount"),
+                    Quantity = Convert.ToInt32(itemJToken.Value<decimal>("quantity")),
+                    Price = itemJToken.Value<decimal>("price")
+                }).ToList()
+            };
+        }
     }
 
     public class _1688TradeTypeCompare : IEqualityComparer<JToken>
diff --git a/SDKAdapter/PurchasePlatform/Models/Request/Order/PP_QueryOrderDetailRequest.cs b/SDKAdapter/PurchasePlatform/Models/Request/Order/PP_QueryOrderDetailRequest.cs
new file mode 100644
index 0000000..5ec74c2
--- /dev/null
+++ b/SDKAdapter/PurchasePlatform/Models/Request/Order/PP_QueryOrderDetailRequest.cs
@@ -0,0 +1,7 @@
+namespace SDKAdapter.PurchasePlatform.Models
+{
+    public class PP_QueryOrderDetailRequest: BasePlatformRequest
+    {
+        public string OrderId { get; set; }
+    }
+}
diff --git a/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_CreateOrderResponse.cs b/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_CreateOrderResponse.cs
index f68399b..f076314 100644
--- a/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_CreateOrderResponse.cs
+++ b/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_CreateOrderResponse.cs
@@ -3,7 +3,7 @@
     public class PP_CreateOrderResponse : PP_PreviewOrderResponse
     {
         /// <summary>
-        /// 订单Id
+        /// 采购单Id
         /// </summary>
         public string OrderId { get; set; }
 
diff --git a/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_QueryOrderDetailResponse.cs b/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_QueryOrderDetailResponse.cs
new file mode 100644
index 0000000..769b497
--- /dev/null
+++ b/SDKAdapter/PurchasePlatform/Models/Response/Order/PP_QueryOrderDetailResponse.cs
@@ -0,0 +1,54 @@
+namespace SDKAdapter.PurchasePlatform.Models
+{
+    public class PP_QueryOrderDetailResponse
+    {
+        /// <summary>
+        /// 采购单号
+        /// </summary>
+        public string OrderId { get; set; }
+
+        /// <summary>
+        /// 订单总额
+        /// </summary>
+        public decimal TotalAmount { get; set; }
+
+        /// <summary>
+        /// 货款总额
+        /// </summary>
+        public decimal ProductAmount { get; set; }
+
+        /// <summary>
+        /// 运费总额
+        /// </summary>
+        public decimal FreightAmount { get; set; }
+
+        /// <summary>
+        /// 订单Sku明细列表
+        /// </summary>
+        public IList<PP_QueryOrderDetailSkuResponse> ItemList { get; set; }
+    }
+
+    /// <summary>
+    /// 采购单简单明细
+    /// </summary>
+    public class PP_QueryOrderDetailSkuResponse
+    {
+        public string ProductId { get; set; }
+
+        public string SkuId { get; set; }
+
+        public string SpecId { get; set; }
+
+        /// <summary>
+        /// 货款金额
+        /// </summary>
+        public decimal ProductAmount { get; set; }
+
+        /// <summary>
+        /// 单价
+        /// </summary>
+        public decimal Price { get; set; }
+
+        public int Quantity { get; set; }
+    }
+}
diff --git a/bbwyb.sln b/bbwyb.sln
index 4097edf..0acbb0f 100644
--- a/bbwyb.sln
+++ b/bbwyb.sln
@@ -25,15 +25,15 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SDK", "SDK", "{B4ED118A-2CF
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SDKAdapter", "SDKAdapter\SDKAdapter.csproj", "{442CC858-3A90-48EE-932D-756169EAC2A4}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuanTan.SDK", "QuanTan.SDK\QuanTan.SDK.csproj", "{D5D93778-14D7-45F7-A77C-397FDBA408A1}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "QuanTan.SDK", "QuanTan.SDK\QuanTan.SDK.csproj", "{D5D93778-14D7-45F7-A77C-397FDBA408A1}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "C", "C", "{AE01E0D8-FE79-4E30-B68F-862A5907EB3A}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "B", "B", "{0142C6AF-5824-4665-8E9E-3A3C547BA109}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "_1688.SDK", "_1688.SDK\_1688.SDK.csproj", "{450F51B1-29E6-47F3-A517-AD5814EC9129}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "_1688.SDK", "_1688.SDK\_1688.SDK.csproj", "{450F51B1-29E6-47F3-A517-AD5814EC9129}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JD.SDK", "JD.SDK\JD.SDK.csproj", "{A4C4F802-D298-42DE-B410-50C8C87EFFAA}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "JD.SDK", "JD.SDK\JD.SDK.csproj", "{A4C4F802-D298-42DE-B410-50C8C87EFFAA}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -87,6 +87,7 @@ Global
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{B6039632-07B7-4C74-9F74-F16B6782EF56} = {99D234A0-6830-4C0C-91E8-C626DA939D59}
+		{99D234A0-6830-4C0C-91E8-C626DA939D59} = {0142C6AF-5824-4665-8E9E-3A3C547BA109}
 		{1E7D36DB-A817-4208-8FC6-36A66FAB17E5} = {0142C6AF-5824-4665-8E9E-3A3C547BA109}
 		{D52D0167-EF94-4FC8-91BF-FCE5B3ED9C6A} = {1E7D36DB-A817-4208-8FC6-36A66FAB17E5}
 		{52DF7178-3C36-4CA6-A2E9-D9E2BB41C0B8} = {99D234A0-6830-4C0C-91E8-C626DA939D59}