From a30b8f79fe5583fdcc82af710dcb1629499747f7 Mon Sep 17 00:00:00 2001
From: xiongshuai <873144595@qq.com>
Date: Fri, 12 Dec 2025 09:42:30 +0800
Subject: [PATCH] =?UTF-8?q?=E9=94=80=E5=94=AE=E5=A2=9E=E5=80=BC=E7=A8=8E?=
 =?UTF-8?q?=E5=8F=91=E7=A5=A8=E6=9B=B4=E6=96=B0?=
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---
 .../ServicePlugIn/AfterSave.cs                | 36 ++++++++++++++-----
 1 file changed, 27 insertions(+), 9 deletions(-)

diff --git a/Gatedge.K3.Pilot.PlugIn/BOSPlugIn/AR_SalesVATInvoice/ServicePlugIn/AfterSave.cs b/Gatedge.K3.Pilot.PlugIn/BOSPlugIn/AR_SalesVATInvoice/ServicePlugIn/AfterSave.cs
index 5bdf242..1a4822d 100644
--- a/Gatedge.K3.Pilot.PlugIn/BOSPlugIn/AR_SalesVATInvoice/ServicePlugIn/AfterSave.cs
+++ b/Gatedge.K3.Pilot.PlugIn/BOSPlugIn/AR_SalesVATInvoice/ServicePlugIn/AfterSave.cs
@@ -57,20 +57,38 @@ namespace Gatedge.K3.Pilot.PlugIn.BOSPlugIn.AR_SalesVATInvoice.ServicePlugIn
                         // 判断条件：FIDD != 当前行ID 且 源单编号为空
                         if (fiddValue != entryId && string.IsNullOrWhiteSpace(srcBillNo))
                         {
-                            // 从当前单据主表获取单据编号（实体属性名：BILLNO）
-                            var billNo = billObj["BILLNO"]?.ToString() ?? "";
+                            // 通过源分录ID（FIDD）查询源单据的单据编号
+                            string srcBillNoFromSource = "";
+                            try
+                            {
+                                var querySql = $@"/*dialect*/
+SELECT A.FBILLNO 
+FROM T_IV_SALESIC A
+INNER JOIN T_IV_SALESICENTRY B ON A.FID = B.FID
+WHERE B.FENTRYID = {fiddValue}";
+
+                                var result = DBServiceHelper.ExecuteDynamicObject(this.Context, querySql);
+                                if (result != null && result.Count > 0)
+                                {
+                                    srcBillNoFromSource = result[0]["FBILLNO"]?.ToString() ?? "";
+                                }
+                            }
+                            catch (Exception ex)
+                            {
+                                Logger.Error($"查询源单据编号失败，FIDD={fiddValue}", ex);
+                            }
+
                             // 固定源单类型为"销售增值税专用发票"
                             var srcBillType = "IV_SALESIC";
 
-                            // 回写当前单据体：源单类型、源单编号
+                            // 回写当前单据体：源单类型、源单编号（使用源单据的编号）
                             // 这里使用数据库字段名（带F前缀）
                             var updateSql = $@"/*dialect*/
 UPDATE T_IV_SALESICENTRY 
 SET FSRCBILLTYPEID = '{srcBillType.Replace("'", "''")}', 
-    FSRCBILLNO = '{billNo.Replace("'", "''")}'
+    FSRCBILLNO = '{srcBillNoFromSource.Replace("'", "''")}'
 WHERE FENTRYID = {entryId}";
-                            Logger.Error("销售增值税专用发票", updateSql, new Exception());
-                            Logger.Error("销售增值税专用发票", "78", new Exception());
+                            Logger.Error($"销售增值税专用发票_回写源单信息: {updateSql}");
                             DBServiceHelper.Execute(this.Context, updateSql);
                         }
                     }
@@ -83,12 +101,12 @@ UPDATE T_IV_SALESICENTRY
 SET FIDD = {entryId},
     FSEQQ = '{seq.Replace("'", "''")}'
 WHERE FENTRYID = {entryId}";
-                        Logger.Error("销售增值税专用发票", updateSql, new Exception());
-                        Logger.Error("销售增值税专用发票", "78", new Exception());
+                        Logger.Error($"销售增值税专用发票: {updateSql}");
                         DBServiceHelper.Execute(this.Context, updateSql);
                     }
                 }
             }
         }
     }
-}
\ No newline at end of file
+}
+