easypoi模板导出excel

easypoi模板导出excel

导包

<dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-base</artifactId>
            <version>3.1.0</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-web</artifactId>
            <version>3.1.0</version>
        </dependency>
        <dependency>
            <groupId>cn.afterturn</groupId>
            <artifactId>easypoi-annotation</artifactId>
            <version>3.1.0</version>
        </dependency>

代码

@RequestMapping(value = "/spendListExport", method = RequestMethod.GET)
    public void excel(HttpServletResponse response, HttpServletRequest reques, @RequestParam Map params) throws IOException {
        TemplateExportParams exportParams = new TemplateExportParams();
        // 设置模板地址
        exportParams.setTemplateUrl("report/excel/spendOrderRecord.xlsx");
        // 创建工作簿，实现类获取数据
        Workbook workbook = ExcelExportUtil.exportExcel(exportParams, spendService.getRecordExport(params));
        // 为工作簿添加样式(相同单元格合并)
        Map<Integer, int[]> mergeMap = new HashMap<>();
        mergeMap.put(0, new int[0]);
        PoiMergeCellUtil.mergeCells(workbook.getSheetAt(0), mergeMap, 2);
        String downFileName = "消费收银记录" + BaseUtil.toDateText(new Date(), "yyyyMMddHHmm") + ".xlsx";
        response.setContentType("application/x-msdownload");
        response.setHeader("Content-disposition", "attachment;filename=" + 	encodeChineseDownloadFileName(reques, downFileName));
        workbook.write(response.getOutputStream());
    }

	/**
     * 对文件流输出下载的中文文件名进行编码 屏蔽各种浏览器版本的差异性
     */
    public static String encodeChineseDownloadFileName(HttpServletRequest request, String pFileName) {
        String agent = request.getHeader("USER-AGENT");
        try {
            if (null != agent && agent.contains("MSIE")) {
                pFileName = URLEncoder.encode(pFileName, "utf-8");
            } else {
                pFileName = new String(pFileName.getBytes("utf-8"), "iso8859-1");
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return pFileName;
    }

模板取数据
{{字段名}} 例如{{name}}
当字段类型为Map并且Map的value为List

data 是map 的key,t是遍历list的别名 别名.字段名