feat(printer): 支持按数量创建多个打印任务- 根据照片数量生成对应数量的打印任务- 默认至少创建1个打印任务

- 保留原有单任务逻辑并适配多任务场景
- 确保每个任务独立插入数据库
- 维持打印机轮询选择机制

src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java

@@ -620,21 +620,28 @@ public class PrinterServiceImpl implements PrinterService {
                 log.error("获取景区配置失败，使用原始照片进行打印。景区ID: {}, 照片ID: {}", item.getScenicId(), item.getId(), e);
             }
 
-            // 获取打印机名称（支持轮询）
+            // 根据数量创建多个打印任务
-            String selectedPrinter = getNextPrinter(printer);
+            Integer quantity = item.getQuantity();
+            if (quantity == null || quantity <= 0) {
+                quantity = 1; // 默认至少打印1张
+            }
 
-            PrintTaskEntity task = new PrintTaskEntity();
+            for (int i = 0; i < quantity; i++) {
-            task.setPrinterId(printer.getId());
+                // 获取打印机名称（支持轮询）
-            task.setPrinterName(selectedPrinter);
+                String selectedPrinter = getNextPrinter(printer);
-            task.setMpId(item.getId());
+                PrintTaskEntity task = new PrintTaskEntity();
-            task.setPaper(printer.getPreferPaper());
+                task.setPrinterId(printer.getId());
-            task.setStatus(0);
+                task.setPrinterName(selectedPrinter);
-            task.setUrl(printUrl);
+                task.setMpId(item.getId());
-            task.setHeight(printer.getPreferH());
+                task.setPaper(printer.getPreferPaper());
-            task.setWidth(printer.getPreferW());
+                task.setStatus(0);
-            task.setCreateTime(new Date());
+                task.setUrl(printUrl);
-            task.setUpdateTime(new Date());
+                task.setHeight(printer.getPreferH());
-            printTaskMapper.insertTask(task);
+                task.setWidth(printer.getPreferW());
+                task.setCreateTime(new Date());
+                task.setUpdateTime(new Date());
+                printTaskMapper.insertTask(task);
+            }
         });
     }