jeecgboot 导出多个sheet页

/**
     * 导出订单统计Excel数据
     *
     * @param order
     * @param title
     * @param createTime_begin
     * @param createTime_end
     * @return
     */
    public ModelAndView exportExcelByStatistics(OrderCount order, String title, String createTime_begin, String createTime_end) {
        LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
        Result<?> result = orderService.statisticsWaterOrderList(order, createTime_begin, createTime_end);
        // 导出的数据
        List<Map<String, Object>> list = new ArrayList<>();
        // 自定义导出字段
        String[] exportFields;
        // 统计类型(statisticsType) 0：按院区统计  1：按楼栋统计  2：按科室统计 3：按公司统计
        if (StringUtils.equals(order.getStatisticsType(), "3")) {
            // 核销人统计导出数据
            List<OrderCount> exportListWriteOffPerson = (List<OrderCount>) ((Map) result.getResult()).get("writeOffPersonStatistics");
            Map<String, Object> WriteOffPersonList = new HashMap<>();
            WriteOffPersonList.put(NormalExcelConstants.CLASS, OrderCount.class);
            WriteOffPersonList.put(NormalExcelConstants.PARAMS, new ExportParams(title + "报表", "导出人:" + sysUser.getRealname(),"核销人统计"));
            WriteOffPersonList.put(NormalExcelConstants.DATA_LIST, exportListWriteOffPerson);
            list.add(WriteOffPersonList);

            // 公司统计导出数据
            List<OrderCount> exportList = (List<OrderCount>) ((Map) result.getResult()).get("companyStatistics");
            Map<String, Object> companyList = new HashMap<>();
            companyList.put(NormalExcelConstants.CLASS, OrderCount.class);
            companyList.put(NormalExcelConstants.PARAMS, new ExportParams(title + "报表", "导出人:" + sysUser.getRealname(),"公司统计"));
            companyList.put(NormalExcelConstants.DATA_LIST, exportList);
            list.add(companyList);

            // 自定义导出字段
            exportFields = new String[]{"statisticsTitle", "goodsNum", "companyName"};
        } else {
            List<OrderCount> exportList = (List<OrderCount>) result.getResult();
            Map<String, Object> otherList = new HashMap<>();
            otherList.put(NormalExcelConstants.CLASS, OrderCount.class);
            otherList.put(NormalExcelConstants.PARAMS, new ExportParams(title + "报表", "导出人:" + sysUser.getRealname(), title));
            otherList.put(NormalExcelConstants.DATA_LIST, exportList);
            list.add(otherList);

            // 自定义导出字段
            exportFields = new String[]{"statisticsTitle", "goodsNum"};
        }

        // Step.3 AutoPoi 导出Excel
        ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
        mv.addObject(NormalExcelConstants.FILE_NAME, title); //此处设置的filename无效 ,前端会重更新设置一下
        mv.addObject(NormalExcelConstants.MAP_LIST, list);
        // 自定义导出列（字段）
        mv.addObject(NormalExcelConstants.EXPORT_FIELDS, StringUtils.join(exportFields, ","));
        return mv;
    }