变量导出12

fiveep-service/src/main/java/com/bizmatics/service/impl/DeviceAnalogVariableListServiceImpl.java

@@ -132,7 +132,8 @@ public class DeviceAnalogVariableListServiceImpl extends AbstractCrudService<Dev
                     (o, i) -> {
                         Page<DeviceAnalogVariableListOneVo> page = new Page<>(i, 30);
                         page = baseMapper.variableListExport(page,siteId, variableName, dataArea);
-                        if (null == page.getRecords() || page.getRecords().size() ==0){
+                        List<DeviceAnalogVariableListOneVo>  variableList = page.getRecords();
+                        if (null == variableList || variableList.size() ==0){
                             err1[0] ="导出失败，监控设备未绑定或数据为空";
                             throw new BusinessException(err1[0]);
                         }