fix(wms): 解决钢卷回滚操作中的独占状态检查问题

- 添加最后一步操作信息解析功能，用于检查独占状态
- 实现分卷操作的独占状态验证，防止母卷正在进行分卷时回滚
- 修复分卷回滚时子钢卷ID匹配逻辑
- 优化二维码内容解析，支持多步骤操作回滚
- 添加分卷回滚前的子钢卷有效性检查

klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java

@@ -2988,11 +2988,25 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
                 throw new RuntimeException("二维码记录不存在或内容为空，无法回滚");
             }
 
-            // 5. 解析二维码内容，判断是合卷、分卷还是普通更新
+            // 5. 解析二维码内容，获取最后一步操作信息
+            // 直接从二维码解析最后一步操作，用于检查独占状态
+            Map<String, Object> lastStepInfo = getLastOperationStepFromQrcode(qrcodeRecord.getContent());
+            String lastOperation = (String) lastStepInfo.get("operation");
+            Long oldCoilIdFromLastStep = (Long) lastStepInfo.get("oldCoilId");
+
+            // 如果最后一步是分卷操作并且old_coil_id正在处于单步分卷则当前钢卷不能回滚
+            if ("分卷".equals(lastOperation) && oldCoilIdFromLastStep != null) {
+                WmsMaterialCoil motherCoil = baseMapper.selectById(oldCoilIdFromLastStep);
+                if (motherCoil != null && motherCoil.getExclusiveStatus() != null && motherCoil.getExclusiveStatus() == 1) {
+                    throw new RuntimeException("母卷[" + motherCoil.getCurrentCoilNo() + "]正在进行分卷操作，当前钢卷无法回滚");
+                }
+            }
+
+            // 6. 解析二维码内容，判断是合卷、分卷还是普通更新
             Map<String, Object> rollbackInfo = parseRollbackInfoFromQrcode(qrcodeRecord.getContent(), currentCoilId);
             String operationType = (String) rollbackInfo.get("operationType");
 
-            // 6. 根据操作类型执行不同的回滚逻辑
+            // 7. 根据操作类型执行不同的回滚逻辑
             if ("MERGE".equals(operationType)) {
                 // 合卷回滚
                 return rollbackMergeOperation(currentCoil, qrcodeRecord, rollbackInfo, result);
@@ -3012,6 +3026,68 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
         }
     }
 
+    /**
+     * 从二维码内容中获取最后一步操作信息（用于检查独占状态）
+     * 只返回最后一步的操作类型和old_coil_id，不进行复杂的回滚逻辑判断
+     */
+    private Map<String, Object> getLastOperationStepFromQrcode(String content) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            ObjectMapper objectMapper = new ObjectMapper();
+            Map<String, Object> contentMap = objectMapper.readValue(content, Map.class);
+
+            @SuppressWarnings("unchecked")
+            List<Map<String, Object>> steps = (List<Map<String, Object>>) contentMap.get("steps");
+            if (steps == null || steps.isEmpty()) {
+                return result;
+            }
+
+            // 从后往前找到最后一个非回滚的步骤
+            for (int i = steps.size() - 1; i >= 0; i--) {
+                Map<String, Object> step = steps.get(i);
+                String action = (String) step.get("action");
+
+                // 跳过回滚操作
+                if ("回滚".equals(action)) {
+                    continue;
+                }
+
+                // 记录最后一步的操作类型
+                result.put("operation", step.get("operation"));
+                result.put("action", action);
+
+                // 获取old_coil_id
+                Object oldCoilIdObj = step.get("old_coil_id");
+                if (oldCoilIdObj != null) {
+                    try {
+                        result.put("oldCoilId", Long.parseLong(oldCoilIdObj.toString()));
+                    } catch (NumberFormatException ignored) {
+                    }
+                }
+
+                // 获取child_coil_ids（用于分卷判断）
+                Object childCoilIdsObj = step.get("child_coil_ids");
+                if (childCoilIdsObj != null) {
+                    result.put("childCoilIds", childCoilIdsObj.toString());
+                }
+
+                // 获取parent_coil_ids（用于合卷判断）
+                Object parentCoilIdsObj = step.get("parent_coil_ids");
+                if (parentCoilIdsObj != null) {
+                    result.put("parentCoilIds", parentCoilIdsObj.toString());
+                }
+
+                return result;
+            }
+
+            return result;
+
+        } catch (Exception e) {
+            log.error("解析二维码最后一步操作失败", e);
+            return result;
+        }
+    }
+
     /**
      * 解析二维码内容，获取回滚所需的信息
      * @return 包含operationType和相应参数的Map
@@ -3076,6 +3152,8 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
                             return result;
                         }
                     }
+                    result.put("operationType", "SPLIT");
+                    return result;
                 }
 
                 // 如果找到普通更新操作
@@ -3180,6 +3258,11 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
             throw new RuntimeException("无法获取分卷的子钢卷ID，无法回滚");
         }
 
+        // 检查当前钢卷ID是否在childCoilIds里面，如果不在说明不是同一步骤则不能回滚
+        if (!childCoilIds.contains(currentCoil.getCoilId())) {
+            throw new RuntimeException("无可回滚的母卷");
+        }
+
         // 查询所有子钢卷
         List<WmsMaterialCoil> childCoils = baseMapper.selectBatchIds(childCoilIds);