修复WorksServiceImpl：添加缺失的updateWorksStatus方法实现

- 实现updateWorksStatus方法用于上架/下架作品
- 添加状态值验证（只能是0或1）
- 添加作品存在性检查
- 添加日志记录
- 修复编译错误

Zhibo/zhibo-h/crmeb-service/src/main/java/com/zbkj/service/service/impl/WorksServiceImpl.java

@@ -299,6 +299,34 @@ public class WorksServiceImpl extends ServiceImpl<WorksDao, Works> implements Wo
         return true;
     }
 
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean updateWorksStatus(Long worksId, Integer status) {
+        // 验证状态值
+        if (status != 0 && status != 1) {
+            throw new CrmebException("状态值无效，只能是0（下架）或1（上架）");
+        }
+
+        // 查询作品
+        Works works = getById(worksId);
+        if (works == null || works.getIsDeleted() == 1) {
+            throw new CrmebException("作品不存在");
+        }
+
+        // 更新状态
+        LambdaUpdateWrapper<Works> updateWrapper = new LambdaUpdateWrapper<>();
+        updateWrapper.eq(Works::getId, worksId)
+                .set(Works::getStatus, status);
+
+        boolean updated = update(updateWrapper);
+        if (!updated) {
+            throw new CrmebException("更新作品状态失败");
+        }
+
+        log.info("更新作品状态成功，作品ID：{}，新状态：{}", worksId, status == 1 ? "上架" : "下架");
+        return true;
+    }
+
     @Override
     public WorksResponse getWorksDetail(Long worksId, Integer userId) {
         log.info("=== 获取作品详情 === worksId={}, userId={}", worksId, userId);