feat: 添加托盘档案保存功能，支持包装号和层数的记录与更新，优化加载对话框的交互逻辑

dao/pallet_type_dao.py

@@ -445,3 +445,57 @@ class PalletTypeDAO:
         except Exception as e:
             logging.error(f"获取托盘类型失败: {str(e)}")
             return {}
+
+    def save_pallet_archives(self, pallet_code, tier, user_id, user_name):
+        """保存托盘档案
+        
+        Args:
+            pallet_code: 包装号
+            tier: 托盘料层数
+            user_id: 用户ID
+            user_name: 用户名（已废弃，保留参数兼容性）
+            
+        Returns:
+            bool: 是否保存成功
+        """
+        try:
+            current_time = datetime.now()
+            
+            # 检查是否已存在相同的包装号记录
+            sql = """
+                SELECT id FROM wsbz_pallet_archives 
+                WHERE pallet_code = ? AND is_deleted = FALSE
+            """
+            self.db.cursor.execute(sql, (pallet_code,))
+            existing_record = self.db.cursor.fetchone()
+            
+            if existing_record:
+                # 更新现有记录
+                update_sql = """
+                    UPDATE wsbz_pallet_archives 
+                    SET tier = ?,
+                        update_time = ?,
+                        update_by = ?
+                    WHERE id = ?
+                """
+                params = (tier, current_time, user_id, existing_record[0])
+                self.db.execute_update(update_sql, params)
+                logging.info(f"更新托盘档案记录：包装号={pallet_code}, 层数={tier}")
+            else:
+                # 插入新记录
+                insert_sql = """
+                    INSERT INTO wsbz_pallet_archives (
+                        pallet_code, tier, create_time, create_by, 
+                        update_time, update_by, enabled, is_deleted
+                    ) VALUES (?, ?, ?, ?, ?, ?, TRUE, FALSE)
+                """
+                params = (pallet_code, tier, current_time, user_id, 
+                         current_time, user_id)
+                self.db.execute_update(insert_sql, params)
+                logging.info(f"创建新托盘档案记录：包装号={pallet_code}, 层数={tier}")
+            
+            return True
+            
+        except Exception as e:
+            logging.error(f"保存托盘档案失败: {str(e)}")
+            return False

utils/pallet_type_manager.py

@@ -1,5 +1,6 @@
 import logging
 from dao.pallet_type_dao import PalletTypeDAO
+from datetime import datetime
 
 class PalletTypeManager:
     """托盘类型管理器，用于管理托盘类型配置"""
@@ -15,11 +16,12 @@ class PalletTypeManager:
     
     def __init__(self):
         """初始化托盘类型管理器"""
+        if PalletTypeManager._instance:
+            raise Exception("PalletTypeManager is a singleton class.")
+        PalletTypeManager._instance = self
         self.dao = PalletTypeDAO()
         self.pallet_types = []
     
- 
-    
     def get_pallet_types_by_operation(self, operation_type, include_disabled=False):
         """根据操作类型获取托盘类型
         
@@ -233,3 +235,17 @@ class PalletTypeManager:
             return result
         else:
             return None
+
+    def save_pallet_archives(self, pallet_code, tier, user_id, user_name):
+        """保存托盘档案
+        
+        Args:
+            pallet_code: 包装号
+            tier: 托盘料层数
+            user_id: 用户ID
+            user_name: 用户名
+            
+        Returns:
+            bool: 是否保存成功
+        """
+        return self.dao.save_pallet_archives(pallet_code, tier, user_id, user_name)

widgets/loading_dialog_widget.py

@@ -155,6 +155,33 @@ class LoadingDialog(LoadingDialogUI):
             QMessageBox.warning(self, "提示", "请输入托盘层数")
             return
             
+        # 获取包装号
+        pallet_code = self.tray_input.text().strip()
+        if not pallet_code:
+            QMessageBox.warning(self, "提示", "请输入包装号")
+            return
+            
+        try:
+            # 保存托盘档案信息
+            from utils.pallet_type_manager import PalletTypeManager
+            pallet_manager = PalletTypeManager.get_instance()
+            success = pallet_manager.save_pallet_archives(
+                pallet_code=pallet_code,
+                tier=int(tier_value),
+                user_id=self.user_id,
+                user_name=self.user_name
+            )
+            
+            if not success:
+                QMessageBox.warning(self, "提示", "保存托盘档案失败")
+                return
+                
+            logging.info(f"已保存托盘档案：包装号={pallet_code}, 层数={tier_value}")
+        except Exception as e:
+            logging.error(f"保存托盘档案时发生错误: {str(e)}")
+            QMessageBox.warning(self, "错误", f"保存托盘档案失败: {str(e)}")
+            return
+        
         # 确保主窗口启动了监听
         from widgets.main_window import MainWindow
         main_window = self.parent