编辑款式下拉框修复

purchase_order_dialog.py

@@ -76,17 +76,22 @@ class PurchaseOrderDialog(QDialog):
         try:
             with self.get_conn() as conn:
                 cursor = conn.execute('''
-                    SELECT category, fabric_type, usage_per_piece, unit
+                    SELECT category, fabric_type, model, usage_per_piece, unit
                     FROM garment_materials
                     WHERE style_number = ? AND usage_per_piece > 0
                     ORDER BY id
                 ''', (self.style_number,))
                 rows = cursor.fetchall()
 
-                for category, fabric_type, usage_per_piece, unit in rows:
+                for category, fabric_type, model, usage_per_piece, unit in rows:
                     total_usage = usage_per_piece * self.quantity * (1 + self.loss_rate)
-                    # 显示材料名称（如果有类型则显示类目-类型，否则只显示类目）
-                    material_name = f"{category}-{fabric_type}" if fabric_type else category
+                    # 显示材料名称：优先显示型号，否则显示类目-类型，最后只显示类目
+                    if model:
+                        material_name = model
+                    elif fabric_type:
+                        material_name = f"{category}-{fabric_type}" if category else fabric_type
+                    else:
+                        material_name = category or "未命名材料"
                     text += f"材料：{material_name}\n"
                     text += f"  单件用量：{usage_per_piece:.3f} {unit}\n"
                     text += f"  总需采购：{total_usage:.3f} {unit}\n\n"