pom文件

<dependency>
	<groupId>cn.afterturn</groupId>
	<artifactId>easypoi-base</artifactId>
	<version>4.1.0</version>
</dependency>

导出模板：

后端代码示例：

/**
     * 导出加油卡进便利店大额审批列表
     * @throws IOException 
     */
    @PreAuthorize("@ss.hasPermi('card:large:export')")
    @Log(title = "加油卡进便利店大额审批", businessType = BusinessType.EXPORT)
    @GetMapping("/exportByTemp/{ids}")
    public AjaxResult exportByTemp(HttpServerResponse response, @PathVariable Long[] ids) throws IOException
    {
    	TemplateExportParams params = new TemplateExportParams("templates/excel/加油卡进便利店大额审批-导出.xlsx",true);
    	Map<Integer, List<Map<String, Object>>> sheetsMap = new HashMap<>();
    	try {
    		int i = 0;
    		for (Long id : ids) {
    			List<Map<String, Object>> list = new ArrayList<>();
        		Map<String, Object> map = new HashMap<String, Object>();
            	ApprovalprocessCardLarge selectApprovalprocessCardLargeById = approvalprocessCardLargeService.selectApprovalprocessCardLargeById(id);
            	map.put("stationProcess", selectApprovalprocessCardLargeById.getStationProcess());
            	map.put("countyProcess", selectApprovalprocessCardLargeById.getCountyProcess());
            	map.put("cityProcess", selectApprovalprocessCardLargeById.getCityProcess());
            	List<ApprovalprocessCardLargeDetail> detailByLargeId = approvalprocessCardLargeDetailService.getDetailByLargeId(id);
            	
            	map.put("largeList", detailByLargeId);
            	Date reportDate = selectApprovalprocessCardLargeById.getReportDate();
            	String parseDateToStr = DateUtils.parseDateToStr("yyyy-MM-dd", reportDate);
            	map.put("date", parseDateToStr);
            	
            	list.add(map);
            	sheetsMap.put(i++,list);
    		}
        	
    		Workbook wb = ExcelExportUtil.exportExcelClone(sheetsMap, params);
        	FileOutputStream out = new FileOutputStream(StringUtils.getAbsoluteFile("加油卡进便利店大额审批.xlsx"));
    		wb.write(out);
    		IOUtils.closeQuietly(wb);
    		IOUtils.closeQuietly(out);
		} catch (Exception e) {
			logger.error("加油卡进便利店大额审批下载失败--->" + e.getMessage());
		}
    	return AjaxResult.success("加油卡进便利店大额审批.xlsx");
    }

导出效果：