code: private SheetTemplate exportExcelByModuleHandler(String templatePath,
                                                       List<NormalSheetWrapper> sheets)
              throws Excel4JException {
  
          SheetTemplate template = SheetTemplateHandler.sheetTemplateBuilder(templatePath);
          for (NormalSheetWrapper sheet : sheets) {
              generateSheet(sheet.getSheetIndex(), sheet.getData(), sheet.getExtendMap(), sheet.getClazz(),
                      sheet.isWriteHeader(), template);
          }
          return template;
      }
docs: 多sheet导出