feat: 仓库简易打印、工作站标签打印、生产订单打印工序修复

- 仓库管理(mom-frontend-vue2): 新增简易标签打印，不依赖MinIO，使用前端qrcode+window.print
- 工作站(erp-frontend-vue): 新增WorkstationLabelPrint组件，支持批量打印工作站标签
- 生产订单: handlePrint改用getProcessTasksByWorkorder，从工艺路线获取工序数据，解决无pro_task时打印无数据问题

Made-with: Cursor

mom-backend/ktg-mes/src/main/java/com/ktg/mes/pro/controller/ProWorkorderController.java

@@ -34,6 +34,8 @@ import org.springframework.web.bind.annotation.*;
 
 import javax.servlet.http.HttpServletResponse;
 import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -117,7 +119,29 @@ public class ProWorkorderController extends BaseController
     @GetMapping(value = "/{workorderId}")
     public AjaxResult getInfo(@PathVariable("workorderId") Long workorderId)
     {
-        return AjaxResult.success(proWorkorderService.selectProWorkorderByWorkorderId(workorderId));
+        ProWorkorder wo = proWorkorderService.selectProWorkorderByWorkorderId(workorderId);
+        if (wo != null) {
+            wo.setProductionLine(wo.getAttr1());
+            if (wo.getAttr2() != null && !wo.getAttr2().isEmpty()) {
+                try {
+                    wo.setProcessTime(Integer.parseInt(wo.getAttr2()));
+                } catch (NumberFormatException ignored) {
+                    wo.setProcessTime(null);
+                }
+            }
+        }
+        return AjaxResult.success(wo);
+    }
+
+    /**
+     * 获取工单工序列表（基于工艺路线，不依赖 pro_task）
+     * 用于打印等场景，即使未排产也能显示工序信息
+     */
+    @GetMapping(value = "/{workorderId}/processTasks")
+    public AjaxResult getProcessTasksByWorkorder(@PathVariable("workorderId") Long workorderId)
+    {
+        List<ProTask> tasks = proTaskService.selectProTaskProcessViewByWorkorder(workorderId);
+        return AjaxResult.success(tasks);
     }
 
     /**
@@ -128,6 +152,11 @@ public class ProWorkorderController extends BaseController
     @PostMapping
     public AjaxResult add(@RequestBody ProWorkorder proWorkorder)
     {
+        syncAttrFromForm(proWorkorder);
+        // 跟单编号为空时自动生成：XSDD-yyyyMMddHHmmss
+        if (StringUtils.isEmpty(proWorkorder.getPpNumber())) {
+            proWorkorder.setPpNumber("XSDD-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")));
+        }
         // 工单编码自动生成（使用统一编码引擎）
         if(StringUtils.isEmpty(proWorkorder.getWorkorderCode())){
             proWorkorder.setWorkorderCode(autoCodeUtil.genSerialCode(UserConstants.SCGD_CODE, ""));
@@ -162,6 +191,11 @@ public class ProWorkorderController extends BaseController
     @PutMapping
     public AjaxResult edit(@RequestBody ProWorkorder proWorkorder)
     {
+        syncAttrFromForm(proWorkorder);
+        // 跟单编号为空时自动生成：XSDD-yyyyMMddHHmmss
+        if (StringUtils.isEmpty(proWorkorder.getPpNumber())) {
+            proWorkorder.setPpNumber("XSDD-" + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmss")));
+        }
         if(UserConstants.NOT_UNIQUE.equals(proWorkorderService.checkWorkorderCodeUnique(proWorkorder))){
             return AjaxResult.error("生产工单编号已存在！");
         }
@@ -206,6 +240,16 @@ public class ProWorkorderController extends BaseController
         return toAjax(proWorkorderService.deleteProWorkorderByWorkorderIds(workorderIds));
     }
 
+    /** 将表单字段 productionLine、processTime 同步到 attr1、attr2 以便持久化 */
+    private void syncAttrFromForm(ProWorkorder proWorkorder) {
+        if (proWorkorder.getProductionLine() != null) {
+            proWorkorder.setAttr1(proWorkorder.getProductionLine());
+        }
+        if (proWorkorder.getProcessTime() != null) {
+            proWorkorder.setAttr2(String.valueOf(proWorkorder.getProcessTime()));
+        }
+    }
+
     /**
      * 根据生产工单中的产品生成BOM物料行
      * @param workorderId