变量导出13

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

@@ -126,17 +126,20 @@ public class DeviceAnalogVariableListServiceImpl extends AbstractCrudService<Dev
         Workbook workbook = null;
         File file = null;
         final String[] err1 = {"导出文件失败"};
+        Page<DeviceAnalogVariableListOneVo> page1 = new Page<>(1, 10);
+        page1 = baseMapper.variableListExport(page1,siteId, variableName, dataArea);
         try {
+            List<DeviceAnalogVariableListOneVo>  variableList = page1.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]);
+            }
             ExportParams params = new ExportParams(null, "变量列表");
             workbook = ExcelExportUtil.exportBigExcel(params, DeviceAnalogVariableListExportVO.class,
                     (o, i) -> {
                         Page<DeviceAnalogVariableListOneVo> page = new Page<>(i, 30);
                         page = baseMapper.variableListExport(page,siteId, variableName, dataArea);
-                        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]);
-                        }
+
                         return new ArrayList<>(BeanMapperUtils.mapList(page.getRecords(), DeviceAnalogVariableListOneVo.class, DeviceAnalogVariableListExportVO.class));
                     }, null);
             if (null != workbook) {