From fbd1dae61bb8eeccd303341ff3b5290d805a8155 Mon Sep 17 00:00:00 2001
From: tjx <t2856754968@163.com>
Date: 星期五, 19 十二月 2025 18:40:25 +0800
Subject: [PATCH] 111

---
 StandardPda/MES.Service/service/Warehouse/MesInvItemStocksManager.cs |  410 ++++++++++++++++++++++++++++++++++++++++------------------
 1 files changed, 284 insertions(+), 126 deletions(-)

diff --git a/StandardPda/MES.Service/service/Warehouse/MesInvItemStocksManager.cs b/StandardPda/MES.Service/service/Warehouse/MesInvItemStocksManager.cs
index 38a879e..ab4db63 100644
--- a/StandardPda/MES.Service/service/Warehouse/MesInvItemStocksManager.cs
+++ b/StandardPda/MES.Service/service/Warehouse/MesInvItemStocksManager.cs
@@ -4,6 +4,8 @@
 using SqlSugar;
 using Newtonsoft.Json;
 using System.Text;
+using OfficeOpenXml;
+using OfficeOpenXml.Style;
 
 namespace MES.Service.service.Warehouse;
 
@@ -14,34 +16,25 @@
     /// </summary>
     /// <param name="searchDto">鎼滅储璇锋眰鍙傛暟</param>
     /// <returns>鍒嗛〉缁撴灉</returns>
-    public PagedResult<ReturnableStockDto> GetReturnableStocks(ReturnableStockSearchDto searchDto)
+    public PagedResult<ReturnableStockDto> GetReturnableStocks(
+        ReturnableStockSearchDto searchDto)
     {
-        // 鍙傛暟鏍¢獙
         if (searchDto.PageIndex < 1)
         {
             throw new Exception("椤电爜蹇呴』澶т簬0");
         }
 
-        if (!new[] { 10, 20, 50 }.Contains(searchDto.PageSize))
-        {
-            throw new Exception("姣忛〉鏉℃暟蹇呴』涓�10銆�20鎴�50");
-        }
+        // 浼樺寲鐐�1: 浣跨敤鍘熺敓SQL ROW_NUMBER()鍦ㄦ暟鎹簱绔畬鎴愬幓閲嶅拰鎺掑簭
+        var rackingTaskSql = @"
+            SELECT ITEM_BARCODE AS ItemBarcode, PALLETCODE AS PalletCode, CODE AS Code, TASKTYPE AS TaskType
+            FROM (
+                SELECT ITEM_BARCODE, PALLETCODE, CODE, TASKTYPE,
+                       ROW_NUMBER() OVER (PARTITION BY ITEM_BARCODE ORDER BY ID DESC) AS RN
+                FROM XB_RACKING_TASK_SYXT_LOG
+                WHERE ITEM_BARCODE IS NOT NULL AND (CODE IS NULL OR CODE != '500')
+            ) WHERE RN = 1";
 
-        // 1. 鏌ヨXB_RACKING_TASK_SYXT_LOG涓璉temBarcode鍜孭alletCode鐨勬槧灏勫叧绯�
-        var allRackingTaskData = Db.Queryable<XbRackingTaskSyxtLog>()
-            .Where(x => !string.IsNullOrEmpty(x.ItemBarcode))
-            .Select(x => new { x.ItemBarcode, x.PalletCode, x.Code, x.Id })
-            .ToList();
-
-        // ReturnableStockDto澧炲姞涓�涓簱瀛樼姸鎬佺殑瀛楁
-        // 褰揳llRackingTaskData涓殑Code涓簄ull鏃讹紝搴撳瓨鐘舵�佷负绔嬪簱鍏ュ簱涓�
-        // 褰揳llRackingTaskData涓殑Code涓�200鏃讹紝搴撳瓨鐘舵�佷负宸茬粡鍦ㄧ珛搴撳唴
-        // 瀵规瘡涓潯鐮侊紝鍙栨渶鏂癐D鐨勮褰曪紝骞惰繃婊ゆ帀Code涓�500锛堣〃绀哄け璐ワ級鐨勮褰�
-        var rackingTaskData = allRackingTaskData
-            .GroupBy(x => x.ItemBarcode) // 鎸夋潯鐮佸垎缁�
-            .Select(g => g.OrderByDescending(x => x.Id).First()) // 鍙栨瘡涓潯鐮佹渶鏂扮殑涓�鏉¤褰�
-            .Where(x => x.Code != "500") // 杩囨护鎺塁ode涓�500鐨勫け璐ヨ褰�
-            .ToList();
+        var rackingTaskData = Db.Ado.SqlQuery<RackingTaskDto>(rackingTaskSql);
 
         if (rackingTaskData == null || !rackingTaskData.Any())
         {
@@ -58,109 +51,139 @@
             };
         }
 
-        // 1.1 鎻愬彇鍘婚噸鍚庣殑鏉$爜鍒楄〃鐢ㄤ簬鏌ヨ
-        var distinctBarcodes = rackingTaskData.Select(x => x.ItemBarcode).Distinct().ToList();
+        // 浼樺寲鐐�2: 杩囨护null鍊煎苟浣跨敤瀛楀吀鎻愰珮鏌ユ壘鏁堢巼
+        var validRackingData = rackingTaskData.Where(x => !string.IsNullOrEmpty(x.ItemBarcode)).ToList();
+        
+        if (!validRackingData.Any())
+        {
+            return new PagedResult<ReturnableStockDto>
+            {
+                TbBillList = new List<ReturnableStockDto>(),
+                Pagination = new PaginationInfo
+                {
+                    CurrentPage = searchDto.PageIndex,
+                    PageSize = searchDto.PageSize,
+                    TotalRecords = 0,
+                    TotalPages = 0
+                }
+            };
+        }
+        
+        var rackingTaskDict = validRackingData.ToDictionary(x => x.ItemBarcode);
+        var distinctBarcodes = validRackingData.Select(x => x.ItemBarcode).ToList();
 
-        // 2. 鏋勫缓鏌ヨ鏉′欢
+        // 浼樺寲鐐�3: 鏋勫缓鏌ヨ鏉′欢
         var query = Db.Queryable<MesInvItemStocks>()
             .LeftJoin<MesItems>((stock, item) => stock.ItemId == item.Id)
-            .LeftJoin<MesDepots>((stock, item, depot) => stock.DepotsCode == depot.DepotCode)
-            .LeftJoin<Organize>((stock, item, depot, org) => item.UseOrg == org.Id.ToString())
-            .LeftJoin<MesUnit>((stock, item, depot, org, unit) => item.ItemUnit == unit.Id.ToString())
-            .Where((stock, item, depot, org, unit) => 
-                (distinctBarcodes.Contains(stock.ItemBarcode) || distinctBarcodes.Contains(stock.StackCode) ) && 
+            .LeftJoin<MesDepots>((stock, item, depot) =>
+                stock.DepotsCode == depot.DepotCode)
+            .LeftJoin<Organize>((stock, item, depot, org) =>
+                item.UseOrg == org.Id.ToString())
+            .LeftJoin<MesUnit>((stock, item, depot, org, unit) =>
+                item.ItemUnit == unit.Id.ToString())
+            .Where((stock, item, depot, org, unit) =>
+                (distinctBarcodes.Contains(stock.ItemBarcode) ||
+                 distinctBarcodes.Contains(stock.StackCode)) &&
                 stock.Quantity > 0);
 
-        // 3. 搴旂敤鎼滅储鏉′欢
         var conditions = searchDto.Conditions;
         if (conditions != null)
         {
-            //褰揷onditions.IqcStatus涓�1鏃舵煡璇㈢殑鍊煎氨瑕佹槸鐗归噰鐩存帴浣跨敤锛屽凡妫�锛屽厤妫�锛�1鐨勫��
-            // 绮剧‘鍖归厤鏉′欢
             if (!string.IsNullOrEmpty(conditions.IqcStatus))
             {
                 if (conditions.IqcStatus == "1")
                 {
-                    // 褰揑qcStatus涓�"1"鏃讹紝鏌ヨ鐗归噰鐩存帴浣跨敤銆佸凡妫�銆佸厤妫�鐘舵��
-                    query = query.Where((stock, item, depot, org, unit) => 
-                        stock.IqcStatus == "鐗归噰鐩存帴浣跨敤" || 
-                        stock.IqcStatus == "宸叉" || 
+                    query = query.Where((stock, item, depot, org, unit) =>
+                        stock.IqcStatus == "鐗归噰鐩存帴浣跨敤" ||
+                        stock.IqcStatus == "宸叉" ||
                         stock.IqcStatus == "鍏嶆");
                 }
                 else
                 {
-                    // 鍏朵粬鎯呭喌鎸夊師鍊煎尮閰�
-                    query = query.Where((stock, item, depot, org, unit) => stock.IqcStatus == conditions.IqcStatus);
+                    query = query.Where((stock, item, depot, org, unit) =>
+                        stock.IqcStatus == conditions.IqcStatus);
                 }
             }
 
             if (conditions.Quantity.HasValue)
             {
-                query = query.Where((stock, item, depot, org, unit) => stock.Quantity == conditions.Quantity.Value);
+                query = query.Where((stock, item, depot, org, unit) =>
+                    stock.Quantity == conditions.Quantity.Value);
             }
-
-            // 妯$硦鍖归厤鏉′欢
 
             if (!string.IsNullOrEmpty(conditions.DepotName))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    depot.DepotName != null && depot.DepotName.Contains(conditions.DepotName));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    depot.DepotName != null &&
+                    depot.DepotName.Contains(conditions.DepotName));
             }
 
             if (!string.IsNullOrEmpty(conditions.DepotSectionsCode))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    stock.DepotSectionsCode != null && stock.DepotSectionsCode.Contains(conditions.DepotSectionsCode));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    stock.DepotSectionsCode != null &&
+                    stock.DepotSectionsCode.Contains(conditions
+                        .DepotSectionsCode));
             }
 
             if (!string.IsNullOrEmpty(conditions.ItemNo))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    item.ItemNo != null && item.ItemNo.Contains(conditions.ItemNo));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    item.ItemNo != null &&
+                    item.ItemNo.Contains(conditions.ItemNo));
             }
 
             if (!string.IsNullOrEmpty(conditions.ItemName))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    item.ItemName != null && item.ItemName.Contains(conditions.ItemName));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    item.ItemName != null &&
+                    item.ItemName.Contains(conditions.ItemName));
             }
 
             if (!string.IsNullOrEmpty(conditions.ItemModel))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    item.ItemModel != null && item.ItemModel.Contains(conditions.ItemModel));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    item.ItemModel != null &&
+                    item.ItemModel.Contains(conditions.ItemModel));
             }
 
             if (!string.IsNullOrEmpty(conditions.ItemUnitName))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    unit.Fname != null && unit.Fname.Contains(conditions.ItemUnitName));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    unit.Fname != null &&
+                    unit.Fname.Contains(conditions.ItemUnitName));
             }
 
             if (!string.IsNullOrEmpty(conditions.OrgCode))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    org.Fnumber != null && org.Fnumber.Contains(conditions.OrgCode));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    org.Fnumber != null &&
+                    org.Fnumber.Contains(conditions.OrgCode));
             }
 
             if (!string.IsNullOrEmpty(conditions.OrgName))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    org.Fname != null && org.Fname.Contains(conditions.OrgName));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    org.Fname != null &&
+                    org.Fname.Contains(conditions.OrgName));
             }
 
             if (!string.IsNullOrEmpty(conditions.ItemBarcode))
             {
-                query = query.Where((stock, item, depot, org, unit) => 
-                    stock.ItemBarcode != null && stock.ItemBarcode.Contains(conditions.ItemBarcode));
+                query = query.Where((stock, item, depot, org, unit) =>
+                    (stock.ItemBarcode != null &&
+                     stock.ItemBarcode.Contains(conditions.ItemBarcode)) ||
+                    (stock.StackCode != null &&
+                     stock.StackCode.Contains(conditions.ItemBarcode)));
             }
 
-            // 鏃ユ湡鑼冨洿鏉′欢
             if (!string.IsNullOrEmpty(conditions.IndepDateStart))
             {
-                if (DateTime.TryParse(conditions.IndepDateStart, out var startDate))
+                if (DateTime.TryParse(conditions.IndepDateStart,
+                        out var startDate))
                 {
-                    query = query.Where((stock, item, depot, org, unit) => stock.IndepDate >= startDate);
+                    query = query.Where((stock, item, depot, org, unit) =>
+                        stock.IndepDate >= startDate);
                 }
             }
 
@@ -168,14 +191,16 @@
             {
                 if (DateTime.TryParse(conditions.IndepDateEnd, out var endDate))
                 {
-                    query = query.Where((stock, item, depot, org, unit) => stock.IndepDate <= endDate);
+                    query = query.Where((stock, item, depot, org, unit) =>
+                        stock.IndepDate <= endDate);
                 }
             }
         }
 
-        // 4. 鏌ヨ鎵�鏈夌鍚堟潯浠剁殑鏁版嵁锛堜笉鍒嗛〉锛�
+        // 浼樺寲鐐�4: 鏌ヨ鏁版嵁
         var queryResult = query
-            .OrderByDescending((stock, item, depot, org, unit) => stock.IndepDate)
+            .OrderByDescending((stock, item, depot, org, unit) =>
+                stock.IndepDate)
             .Select((stock, item, depot, org, unit) => new
             {
                 stock.IqcStatus,
@@ -196,27 +221,32 @@
             })
             .ToList();
 
-        // 5. 鍦ㄥ唴瀛樹腑杞崲涓篋TO锛屽叧鑱擯alletCode骞惰祴鍊糏temBarcode锛堜紭鍏堜娇鐢ㄧ鏉$爜StockStackCode锛�
-        var tempDataList = queryResult.Select(x => 
+        // 浼樺寲鐐�5: 浣跨敤瀛楀吀鏌ユ壘鏇夸唬Where().FirstOrDefault()
+        var tempDataList = queryResult.Select(x =>
         {
-            // 浼樺厛浣跨敤StockStackCode锛屽惁鍒欎娇鐢↖temBarcode鍘绘煡鎵綪alletCode
-            var barcodeToMatch = !string.IsNullOrEmpty(x.StockStackCode) ? x.StockStackCode : x.ItemBarcode;
-            var rackingTask = rackingTaskData
-                .Where(r => r.ItemBarcode == barcodeToMatch)
-                .FirstOrDefault();
+            var barcodeToMatch = !string.IsNullOrEmpty(x.StockStackCode)
+                ? x.StockStackCode
+                : x.ItemBarcode;
             
-            // 鏍规嵁Code鍊肩‘瀹氬簱瀛樼姸鎬�: null涓虹珛搴撳叆搴撲腑(0), 200涓哄凡鍦ㄧ珛搴撳唴(1)
-            string stockStatus = "杩涘叆绔嬪簱鐨勮矾涓�"; // 榛樿涓虹珛搴撳叆搴撲腑
-            if (rackingTask?.Code != null)
+            rackingTaskDict.TryGetValue(barcodeToMatch, out var rackingTask);
+
+            string stockStatus;
+            if (rackingTask?.TaskType == "绔嬪簱鍑哄簱璇锋眰")
             {
-                stockStatus = rackingTask.Code == "200" ? "宸插湪绔嬪簱涓�" : "杩涘叆绔嬪簱鐨勮矾涓�";
+                // 鍑哄簱璇锋眰锛欳ode=200琛ㄧず宸插嚭搴擄紝Code=null琛ㄧず鍑哄簱璺笂
+                stockStatus = rackingTask.Code == "200" ? "宸插嚭绔嬪簱" : "鍑虹珛搴撹矾涓�";
+            }
+            else
+            {
+                // 鍥炲簱璇锋眰锛堥粯璁わ級锛欳ode=200琛ㄧず宸插湪绔嬪簱涓紝Code=null琛ㄧず杩涘叆绔嬪簱鐨勮矾涓�
+                stockStatus = rackingTask?.Code == "200" ? "宸插湪绔嬪簱涓�" : "杩涘叆绔嬪簱鐨勮矾涓�";
             }
 
             return new
             {
                 IqcStatus = x.IqcStatus == "宸叉" ? "1" : "0",
                 ItemType = x.DepotName == "鍘熸潗鏂欎粨" ? "0" : "1",
-                StackCode = rackingTask?.PalletCode, // 浣跨敤PalletCode浣滀负姣嶆墭鐩樼紪鍙�
+                StackCode = rackingTask?.PalletCode,
                 x.DepotCode,
                 x.DepotName,
                 x.DepotSectionsCode,
@@ -230,19 +260,19 @@
                 x.OrgCode,
                 x.OrgName,
                 ItemBarcode = barcodeToMatch,
-                StockStatus = stockStatus // 娣诲姞搴撳瓨鐘舵��
+                StockStatus = stockStatus
             };
         }).ToList();
 
-        // 5.1 搴旂敤StackCode鎼滅储鏉′欢锛堝湪鍐呭瓨涓繃婊alletCode锛�
         if (conditions != null && !string.IsNullOrEmpty(conditions.StackCode))
         {
             tempDataList = tempDataList
-                .Where(x => x.StackCode != null && x.StackCode.Contains(conditions.StackCode))
+                .Where(x =>
+                    x.StackCode != null &&
+                    x.StackCode.Contains(conditions.StackCode))
                 .ToList();
         }
 
-        // 5.2 搴旂敤StockStatus鎼滅储鏉′欢锛堝湪鍐呭瓨涓繃婊わ級
         if (conditions != null && !string.IsNullOrEmpty(conditions.StockStatus))
         {
             tempDataList = tempDataList
@@ -250,7 +280,6 @@
                 .ToList();
         }
 
-        // 5.3 鍒嗙粍骞跺悎璁uantity
         var dataList = tempDataList
             .GroupBy(x => new
             {
@@ -268,7 +297,7 @@
                 x.OrgCode,
                 x.OrgName,
                 x.ItemBarcode,
-                x.StockStatus // 娣诲姞搴撳瓨鐘舵�佸埌鍒嗙粍閿腑
+                x.StockStatus
             })
             .Select(g => new ReturnableStockDto
             {
@@ -288,24 +317,23 @@
                 OrgCode = g.Key.OrgCode,
                 OrgName = g.Key.OrgName,
                 ItemBarcode = g.Key.ItemBarcode,
-                StockStatus = g.Key.StockStatus // 娣诲姞搴撳瓨鐘舵�佸埌DTO涓�
+                StockStatus = g.Key.StockStatus
             }).ToList();
 
-        // 6. 搴旂敤ItemType绛涢��(鍦ㄥ唴瀛樹腑杩囨护)
         if (conditions?.ItemType != null)
         {
-            dataList = dataList.Where(x => x.ItemType == conditions.ItemType).ToList();
+            dataList = dataList.Where(x => x.ItemType == conditions.ItemType)
+                .ToList();
         }
 
-        // 7. 璁$畻鎬昏褰曟暟鍜屽垎椤靛弬鏁帮紙鍩轰簬鏈�缁堢粨鏋滐級
         var totalRecords = dataList.Count;
-        var totalPages = (int)Math.Ceiling((double)totalRecords / searchDto.PageSize);
+        var totalPages =
+            (int)Math.Ceiling((double)totalRecords / searchDto.PageSize);
         var skip = (searchDto.PageIndex - 1) * searchDto.PageSize;
 
-        // 8. 瀵规渶缁堢粨鏋滆繘琛屽垎椤�
-        var pagedDataList = dataList.Skip(skip).Take(searchDto.PageSize).ToList();
+        var pagedDataList =
+            dataList.Skip(skip).Take(searchDto.PageSize).ToList();
 
-        // 9. 杩斿洖鍒嗛〉缁撴灉
         return new PagedResult<ReturnableStockDto>
         {
             TbBillList = pagedDataList,
@@ -325,30 +353,30 @@
     /// <returns>鍙��璐х墿鏂欏簱瀛樺垪琛�</returns>
     public List<ReturnableStockDto> GetReturnableStocks()
     {
-        // 1. 鏌ヨXB_RACKING_TASK_SYXT_LOG涓墍鏈夌殑鏉$爜骞跺幓閲�
-        var distinctBarcodes = Db.Queryable<XbRackingTaskSyxtLog>()
-            .Where(x => !string.IsNullOrEmpty(x.ItemBarcode))
-            .Select(x => x.ItemBarcode)
-            .Distinct()
-            .ToList();
+        // 浼樺寲鐐�1: 浣跨敤鍘熺敓SQL鍦ㄦ暟鎹簱绔畬鎴愬幓閲嶅拰鎺掑簭锛岄伩鍏嶅叏琛ㄥ姞杞藉埌鍐呭瓨
+        // Oracle 11g浣跨敤ROW_NUMBER()绐楀彛鍑芥暟鑾峰彇姣忎釜鏉$爜鐨勬渶鏂拌褰�
+        var rackingTaskSql = @"
+            SELECT ITEM_BARCODE AS ItemBarcode, PALLETCODE AS PalletCode, CODE AS Code
+            FROM (
+                SELECT ITEM_BARCODE, PALLETCODE, CODE,
+                       ROW_NUMBER() OVER (PARTITION BY ITEM_BARCODE ORDER BY ID DESC) AS RN
+                FROM XB_RACKING_TASK_SYXT_LOG
+                WHERE ITEM_BARCODE IS NOT NULL AND (CODE IS NULL OR CODE != '500')
+            ) WHERE RN = 1";
 
-        if (distinctBarcodes == null || !distinctBarcodes.Any())
+        var rackingTaskData = Db.Ado.SqlQuery<RackingTaskDto>(rackingTaskSql);
+        
+        if (rackingTaskData == null || !rackingTaskData.Any())
         {
             return new List<ReturnableStockDto>();
         }
 
-        // 1.1 鏌ヨXB_RACKING_TASK_SYXT_LOG涓璉temBarcode鍜孭alletCode銆丆ode鐨勬槧灏勫叧绯�
-        var allRackingTaskData = Db.Queryable<XbRackingTaskSyxtLog>()
-            .Where(x => !string.IsNullOrEmpty(x.ItemBarcode))
-            .Select(x => new { x.ItemBarcode, x.PalletCode, x.Code, x.Id })
-            .ToList();
+        // 浼樺寲鐐�2: 杩囨护null鍊煎苟浣跨敤瀛楀吀鎻愰珮鏉$爜鍖归厤鏁堢巼锛屼粠O(n)闄嶄綆鍒癘(1)
+        var validRackingData = rackingTaskData.Where(x => !string.IsNullOrEmpty(x.ItemBarcode)).ToList();
+        var rackingTaskDict = validRackingData.ToDictionary(x => x.ItemBarcode);
+        var distinctBarcodes = validRackingData.Select(x => x.ItemBarcode).ToList();
 
-        var rackingTaskData = allRackingTaskData
-            .GroupBy(x => x.ItemBarcode)
-            .Select(g => g.OrderByDescending(x => x.Id).First())
-            .ToList();
-
-        // 2. 浣跨敤鏉$爜鏌ヨMES_INV_ITEM_STOCKS涓殑鏁版嵁,鍏宠仈MES_ITEMS銆丮ES_DEPOTS銆丱RGANIZE銆丮ES_UNIT琛�
+        // 浼樺寲鐐�3: 鍦ㄦ暟鎹簱灞傞潰瀹屾垚鍏宠仈鏌ヨ锛屼竴娆℃�ц幏鍙栨墍鏈夐渶瑕佺殑鏁版嵁
         var queryResult = Db.Queryable<MesInvItemStocks>()
             .LeftJoin<MesItems>((stock, item) => stock.ItemId == item.Id)
             .LeftJoin<MesDepots>((stock, item, depot) =>
@@ -380,18 +408,15 @@
             })
             .ToList();
 
-        // 3. 鍦ㄥ唴瀛樹腑杩涜鏁版嵁杞崲
-        var result = queryResult.Select(x => {
-            // 鏍规嵁鏉$爜鏌ユ壘瀵瑰簲鐨勭珛搴撲换鍔′俊鎭�
-            var rackingTask = rackingTaskData
-                .Where(r => r.ItemBarcode == x.ItemBarcode)
-                .FirstOrDefault();
-            
-                        // 鏍规嵁Code鍊肩‘瀹氬簱瀛樼姸鎬�: null涓虹珛搴撳叆搴撲腑(0), 200涓哄凡鍦ㄧ珛搴撳唴(1)
-            string stockStatus = "0"; // 榛樿涓虹珛搴撳叆搴撲腑
+        // 浼樺寲鐐�4: 浣跨敤瀛楀吀鏌ユ壘鏇夸唬Where().FirstOrDefault()锛屾彁楂樺尮閰嶆�ц兘
+        var result = queryResult.Select(x =>
+        {
+            rackingTaskDict.TryGetValue(x.ItemBarcode, out var rackingTask);
+
+            string stockStatus = "0";
             if (rackingTask?.Code != null)
             {
-                stockStatus = rackingTask.Code == "200" ? "1" : "2"; // 200瀵瑰簲宸插湪绔嬪簱涓�(1)锛屽叾浠栭潪500鍊间负杩涘叆绔嬪簱鐨勮矾涓�(2)
+                stockStatus = rackingTask.Code == "200" ? "1" : "2";
             }
 
             return new ReturnableStockDto
@@ -412,11 +437,19 @@
                 OrgCode = x.OrgCode,
                 OrgName = x.OrgName,
                 ItemBarcode = x.ItemBarcode,
-                StockStatus = stockStatus // 娣诲姞搴撳瓨鐘舵��
+                StockStatus = stockStatus
             };
         }).ToList();
 
         return result;
+    }
+
+    private class RackingTaskDto
+    {
+        public string ItemBarcode { get; set; }
+        public string PalletCode { get; set; }
+        public string Code { get; set; }
+        public string TaskType { get; set; }
     }
 
     /// <summary>
@@ -439,6 +472,20 @@
             // 瀵规瘡涓潯鐮佸崟鐙鐞�
             foreach (var barcode in dto.ItemBarcodes)
             {
+                // 妫�鏌ユ渶杩戜袱鍒嗛挓鍐呮槸鍚﹀凡缁忓瓨鍦ㄧ浉鍚岀殑 barcode 琚鐞嗚繃
+                var twoMinutesAgo = DateTime.Now.AddMinutes(-2);
+                var recentTask = Db.Queryable<XbRackingTaskSyxtLog>()
+                    .Where(x =>
+                        x.ItemBarcode == barcode &&
+                        x.CreateDate >= twoMinutesAgo)
+                    .First();
+
+                if (recentTask != null)
+                {
+                    throw new Exception(
+                        $"鐗╂枡鏉$爜 {barcode} 鍦ㄤ袱鍒嗛挓鍐呭凡琚壂鎻忓鐞嗭紝璇峰嬁閲嶅鎿嶄綔銆備负閬垮厤绔嬪簱绯荤粺浠诲姟閲嶅涓嬪彂锛岀郴缁熼檺鍒跺悓涓�鐗╂枡鏉$爜鍦ㄤ袱鍒嗛挓鍐呭彧鑳藉鐞嗕竴娆°��");
+                }
+
                 decimal messageId = 0;
                 string taskCode = "";
 
@@ -449,6 +496,20 @@
                     .Select(x => new { x.PalletCode, x.WidthType })
                     .First();
 
+                // 妫�鏌ユ槸鍚﹀瓨鍦ㄦ湭瀹屾垚鐨勪换鍔★紙鍩轰簬PalletCode锛孋ode涓簄ull锛�
+                if (!string.IsNullOrEmpty(rackingTaskInfo?.PalletCode))
+                {
+                    var pendingTask = Db.Queryable<XbRackingTaskSyxtLog>()
+                        .Where(x => x.PalletCode == rackingTaskInfo.PalletCode && x.Code == null)
+                        .OrderByDescending(x => x.Id)
+                        .First();
+
+                    if (pendingTask != null)
+                    {
+                        throw new Exception($"鎵樼洏缂栧彿 {rackingTaskInfo.PalletCode} 宸插瓨鍦ㄦ湭瀹屾垚鐨勭珛搴撲换鍔★紝璇风瓑寰呬换鍔″畬鎴愬悗鍐嶆搷浣溿��");
+                    }
+                }
+
                 try
                 {
                     // 1. 鏌ヨ璇ユ潯鐮佸搴旂殑搴撳瓨淇℃伅锛屾寜鐗╂枡鍜屾壒鍙锋眹鎬�
@@ -456,7 +517,8 @@
                         .LeftJoin<MesItems>((stock, item) =>
                             stock.ItemId == item.Id)
                         .Where((stock, item) =>
-                            (stock.ItemBarcode == barcode || stock.StackCode == barcode) && stock.Quantity > 0)
+                            (stock.ItemBarcode == barcode ||
+                             stock.StackCode == barcode) && stock.Quantity > 0)
                         .GroupBy((stock, item) =>
                             new { stock.ItemId, stock.LotNo })
                         .Select((stock, item) => new
@@ -465,7 +527,8 @@
                             ItemName = SqlFunc.AggregateMax(item.ItemName),
                             LotNo = stock.LotNo ?? "",
                             Quantity = SqlFunc.AggregateSum(stock.Quantity),
-                            StackCode = SqlFunc.AggregateMax(stock.DepotSectionsCode)
+                            StackCode =
+                                SqlFunc.AggregateMax(stock.DepotSectionsCode)
                         })
                         .ToList();
 
@@ -488,16 +551,17 @@
                         taskCode = taskCode,
                         taskType = "1",
                         palletCode = rackingTaskInfo?.PalletCode ?? "",
-                        widthType = rackingTaskInfo?.WidthType?.ToString() ?? "2000",
+                        widthType = rackingTaskInfo?.WidthType?.ToString() ??
+                                    "2000",
                         station = dto.Station
                     };
                     var requestList = new[] { requestData };
                     var jsonRequest = JsonConvert.SerializeObject(requestList);
 
                     // 5. 璁板綍鍒癕essageCenter琛�(璇锋眰鍓�)
-                     
+
                     var messageCenter = new MessageCenter
-                    { 
+                    {
                         TableName = "XB_RACKING_TASK_SYXT_LOG",
                         Url =
                             "http://172.20.5.5:50080/Services/Wmcs/RetrieveTask",
@@ -511,7 +575,8 @@
                         Data = jsonRequest,
                         DataInserted = jsonRequest
                     };
-                    messageId = Db.Insertable(messageCenter).ExecuteReturnIdentity();
+                    messageId = Db.Insertable(messageCenter)
+                        .ExecuteReturnIdentity();
 
                     // 6. 璋冪敤HTTP鎺ュ彛
                     var apiUrl =
@@ -625,4 +690,97 @@
             throw;
         }
     }
+
+    /// <summary>
+    ///     瀵煎嚭鍙��璐х墿鏂欏簱瀛樹负Excel
+    /// </summary>
+    /// <param name="searchDto">鎼滅储璇锋眰鍙傛暟</param>
+    /// <returns>Excel鏂囦欢瀛楄妭鏁扮粍</returns>
+    public byte[] ExportReturnableStocksToExcel(
+        ReturnableStockSearchDto searchDto)
+    {
+        // 璁剧疆 EPPlus 璁稿彲璇佷笂涓嬫枃(闈炲晢涓氱敤閫�)
+        ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
+
+        // 鑾峰彇鎵�鏈夋暟鎹�(涓嶅垎椤�)
+        var tempSearchDto = new ReturnableStockSearchDto
+        {
+            PageIndex = 1,
+            PageSize = int.MaxValue, // 鑾峰彇鎵�鏈夋暟鎹�
+            Conditions = searchDto.Conditions
+        };
+
+        // 璋冪敤鏌ヨ鏂规硶鑾峰彇鏁版嵁
+        var result = GetReturnableStocks(tempSearchDto);
+        var dataList = result.TbBillList;
+
+        // 鍒涘缓 Excel 鏂囦欢
+        using var package = new ExcelPackage();
+        var worksheet = package.Workbook.Worksheets.Add("鍙��璐х墿鏂欏簱瀛�");
+
+        // 璁剧疆琛ㄥご
+        var headers = new[]
+        {
+            "鑹搧鐘舵��",
+            "鏄惁鎴愬搧",
+            "姣嶆墭鐩樼紪鍙�",
+            "浠撳簱缂栫爜",
+            "浠撳簱鍚嶇О",
+            "铏氭嫙搴撲綅",
+            "鐗╂枡缂栧彿",
+            "鐗╂枡鍚嶇О",
+            "鐗╂枡瑙勬牸",
+            "鐗╂枡鏁伴噺",
+            "鐗╂枡鍗曚綅",
+            "鍏ュ簱鏃堕棿",
+            "缁勭粐缂栫爜",
+            "缁勭粐鍚嶇О",
+            "鐗╂枡鏉$爜",
+            "搴撳瓨鐘舵��"
+        };
+
+        // 鍐欏叆琛ㄥご
+        for (int i = 0; i < headers.Length; i++)
+        {
+            worksheet.Cells[1, i + 1].Value = headers[i];
+            worksheet.Cells[1, i + 1].Style.Font.Bold = true;
+            worksheet.Cells[1, i + 1].Style.Fill.PatternType =
+                ExcelFillStyle.Solid;
+            worksheet.Cells[1, i + 1].Style.Fill.BackgroundColor
+                .SetColor(System.Drawing.Color.LightGray);
+            worksheet.Cells[1, i + 1].Style.HorizontalAlignment =
+                ExcelHorizontalAlignment.Center;
+        }
+
+        // 鍐欏叆鏁版嵁
+        int row = 2;
+        foreach (var item in dataList)
+        {
+            worksheet.Cells[row, 1].Value =
+                item.IqcStatus == "1" ? "鑹搧" : "涓嶈壇鍝�";
+            worksheet.Cells[row, 2].Value = item.ItemType == "1" ? "鎴愬搧" : "闈炴垚鍝�";
+            worksheet.Cells[row, 3].Value = item.StackCode;
+            worksheet.Cells[row, 4].Value = item.DepotCode;
+            worksheet.Cells[row, 5].Value = item.DepotName;
+            worksheet.Cells[row, 6].Value = item.DepotSectionsCode;
+            worksheet.Cells[row, 7].Value = item.ItemNo;
+            worksheet.Cells[row, 8].Value = item.ItemName;
+            worksheet.Cells[row, 9].Value = item.ItemModel;
+            worksheet.Cells[row, 10].Value = item.Quantity;
+            worksheet.Cells[row, 11].Value = item.ItemUnitName;
+            worksheet.Cells[row, 12].Value =
+                item.IndepDate?.ToString("yyyy-MM-dd HH:mm:ss");
+            worksheet.Cells[row, 13].Value = item.OrgCode;
+            worksheet.Cells[row, 14].Value = item.OrgName;
+            worksheet.Cells[row, 15].Value = item.ItemBarcode;
+            worksheet.Cells[row, 16].Value = item.StockStatus;
+            row++;
+        }
+
+        // 鑷姩璋冩暣鍒楀
+        worksheet.Cells[worksheet.Dimension.Address].AutoFitColumns();
+
+        // 杩斿洖 Excel 鏂囦欢瀛楄妭鏁扮粍
+        return package.GetAsByteArray();
+    }
 }
\ No newline at end of file

--
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