数据导出生成word附件使用POI的XWPFTemplate对象

window.location.href= appPath+"/export/handoverForm?ticketId="+self.ticketId +
                    "&complainId="+row.id+"&formCode="+self.exportFormCode.complainDetail;

<form id="exportForm" action="/service/xfComplain/exportCaseLedger" method="post">
        <input type="hidden" name="dataRange" id="dataRange"/>
        <input type="hidden" name="processStatus" id="processStatus"/>     
        <input type="hidden" name="cantonCode" id="cantonCode"/>
        <input type="hidden" name="startDate" id="startDate"/>
        <input type="hidden" name="endDate" id="endDate"/>
        <input type="hidden" name="multiFildMatch" id="multiFildMatch"/>
    </form>

$("#dataRange").val(self.table.pageData.dataRange);
            $("#processStatus").val(self.table.pageData.processStatus);
            $("#startDate").val(self.table.pageData.startDate);
            $("#endDate").val(self.table.pageData.endDate);
            $("#multiFildMatch").val(self.table.pageData.multiFildMatch);
            $(‘#exportForm‘).submit();

@ResponseBody
    @RequestMapping("/exportWord")
    public void exportHandoverForm(HttpServletRequest request,
                                   HttpServletResponse response, ExportParam exportParam) {
        String projectPath = getProjectPath(request);
        String templateFile = getTemplateFile(exportParam, projectPath, request);
        Map<String, Object> data = new HashMap<>();
        File file = null;
        InputStream in = null;
        ServletOutputStream out = null;
        try {
            // 数据源
            HandoverModel handoverModel = getHandoverFormData(exportParam.getComplainId());
            // 反射机制，获取所有属性对象，在拿到属性值，设置数据
            for (Field field : HandoverModel.class.getDeclaredFields()) {
                // 暴力反射，不是public修饰的属性也要获取
                field.setAccessible(true);
                data.put(field.getName(), field.get(handoverModel));
            }
            // 数据源组成map键值对形式
            data.put("reportorList", handoverModel.getReportorList().getDatas());
            String fileName = handoverModel.getCaseCode();
            String exportFilePath = projectPath + ExportConstant.DEFAULT_EXPORT_PATH;
            logger.info("----------templateFile:" + templateFile);
            logger.info("-----------projectPath:" + projectPath);
            // Configure对象是处理表格数据，可以自适应生成对应行数数据
            Configure config = Configure.newBuilder().customPolicy("reportorList", new FileTablePolicy()).build();
            // XWPFTemplate对象是处理word文档对象，根据map数据源的键值对渲染文档数据
            XWPFTemplate template = XWPFTemplate.compile(templateFile, config).render(data);
            // 文件生成到本地，先生成好文档，再读取到内存中响应给前台
            String downloadFileName = fileName + ".docx";
            File outPutFile = new File(exportFilePath);
            if (!outPutFile.exists()) {
                outPutFile.mkdirs();
            }
            FileOutputStream outFile = new FileOutputStream(exportFilePath + downloadFileName);
            template.write(outFile);
            outFile.flush();
            outFile.close();
            template.close();
            // 通过文件流读取到文件，再将文件通过response的输出流，返回给页面下载
            file = new File(projectPath + ExportConstant.DEFAULT_EXPORT_PATH + downloadFileName);
            in = new FileInputStream(file);
            response.setCharacterEncoding("utf-8");
            response.setContentType("application/msword");
            response.setHeader("Content-Disposition", "attachment;filename="
                    .concat(String.valueOf(URLEncoder.encode(downloadFileName, "UTF-8"))));
            out = response.getOutputStream();
            byte[] buffer = new byte[512];
            int bytesToRead = -1;
            // 用响应对象response中的输出流读取生成好的文件
            while ((bytesToRead = in.read(buffer)) != -1) {
                out.write(buffer, 0, bytesToRead);
            }
        } catch (Exception e) {
            logger.error("导出word出错", e);
        } finally {
            if (in != null) try {
                in.close();
                if (out != null) out.close();
                if (file != null) file.delete(); // 删除临时文件
            } catch (IOException e) {
                logger.error("删除删除临时文件出错", e);
            }
        }
    }