1.制作word文件。

2.另存为xml文件

3.编辑xml文件

4.将xml文件放入项目根路径

5.导入依赖

6.编辑文件导出接口

@PostMapping("baoBiaoExport")
public void baoBiaoExport(@RequestBody FinancialStatementVo vo, HttpServletResponse response) throws IOException{
    vo.setPrintTime(new Date());
    Map dataMap = JSON.parseObject(JSON.toJSONString(vo), Map.class);
    File outFile = null;
    try {
        outFile = getTempFile(dataMap, "baoBiao.xml",filePath,vo.getInstitutionName());
        //文件下载
        byte[] buffer = new byte[(int) outFile.length()];
        FileInputStream fis = new FileInputStream(outFile);
        fis.read(buffer);
        response.reset();
        response.setContentType("application/octet-stream");
        response.setContentLength(buffer.length);
        response.setHeader("Content-Disposition", "attachment;filename=" + java.net.URLEncoder
                .encode(outFile.getName(), "UTF-8"));
        OutputStream os = response.getOutputStream();
        os.write(buffer);
        os.close();
    } catch (FileNotFoundException e) {
        throw e;
    }
}

// 配置信息可以自行查阅
public static Configuration getConfiguration() {
    Configuration configuration = new Configuration();
    configuration.setDefaultEncoding("UTF-8");
    // 对象属性为空时，避免抛出异常
    configuration.setClassicCompatible(true);
    configuration.setOutputFormat(XMLOutputFormat.INSTANCE);
    // 模板路径
    configuration.setClassForTemplateLoading(YiBaoController.class, "/templates");
    return configuration;
}

/**
 * @param dataMap      参数
 * @param templateName 模板名称
 */
public static File getTempFile(Map dataMap, String templateName,String filePath,String name) throws FileNotFoundException {
    Template template = null;
    Writer out = null;
    // 临时文件
    File outFile = null;
    Date date = new Date(System.currentTimeMillis());
    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
    String dateFormat = sdf.format(date);
    try {
        template = getConfiguration().getTemplate(templateName);
        filePath = filePath+dateFormat+ name +".doc";
        outFile = new File(filePath);
        out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFile), "utf-8"));
        // 模板整合内容
        template.process(dataMap, out);
    } catch (Exception e) {
        e.printStackTrace();
    } finally { //finally下面的代码很重要 否则的话你导不出word 必须flush close 一下才行
        if (out != null) {
            try {
                out.flush();
                out.close();
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
    }
    return outFile;
}