```

feat(invoice): 添加发票分页查询权限过滤功能

- 移除未使用的Supplier导入
- 新增selectInvoicePage方法支持用户角色权限过滤
- 非管理员用户只能查看自己创建的发票
- 优化发票新增逻辑，使用count查询替代list查询提升性能
- 添加事务注解确保数据一致性
- 异常处理改进，抛出ServiceException替代返回null
```

openhis-server-new/openhis-application/src/main/java/com/openhis/web/patientmanage/appservice/impl/OutpatientRecordServiceImpl.java

@@ -21,7 +21,6 @@ import com.openhis.common.utils.HisQueryUtils;
 import com.openhis.web.patientmanage.appservice.IOutpatientRecordService;
 import com.openhis.web.patientmanage.dto.OutpatientRecordDto;
 import com.openhis.web.patientmanage.dto.OutpatientRecordSearchParam;
-
 import com.openhis.web.patientmanage.mapper.PatientManageMapper;
 
 /**
@@ -74,6 +73,7 @@ public class OutpatientRecordServiceImpl implements IOutpatientRecordService {
      *
      * @return 医生名字列表
      */
+    @Override
     public R<?> getDoctorNames() {
         return R.ok(patientManageMapper.getDoctorNames());
     }

openhis-server-new/openhis-domain/src/main/java/com/openhis/administration/service/IInvoiceService.java

@@ -4,7 +4,6 @@ import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.openhis.administration.domain.Invoice;
-import com.openhis.administration.domain.Supplier;
 
 /**
  * 发票管理Service接口

openhis-server-new/openhis-domain/src/main/java/com/openhis/administration/service/impl/InvoiceServiceImpl.java

@@ -39,7 +39,7 @@ public class InvoiceServiceImpl extends ServiceImpl<InvoiceMapper, Invoice> impl
         if (count > 0) {
             throw new ServiceException("发票编码已存在: " + invoice.getBusNo());
         }
-        
+
         // 新增发票
         int insert = baseMapper.insert(invoice);
         if (insert != 1) {
@@ -59,12 +59,12 @@ public class InvoiceServiceImpl extends ServiceImpl<InvoiceMapper, Invoice> impl
     public IPage<Invoice> selectInvoicePage(Page<Invoice> page, boolean isAdmin, Long userId) {
         LambdaQueryWrapper<Invoice> queryWrapper = new LambdaQueryWrapper<Invoice>()
                 .eq(Invoice::getDeleteFlag, DelFlag.NO.getCode());
-        
+
         // 非管理员用户只能查看自己创建的发票
         if (!isAdmin) {
             queryWrapper.eq(Invoice::getInvoicingStaffId, userId);
         }
-        
+
         return baseMapper.selectPage(page, queryWrapper);
     }
 }