下载excel模板到当前浏览器

一、xlsx：

@PostMapping(value = "userTemplate")
    public void userTemplate(HttpServletResponse response, HttpServletRequest request) {
        File file = new File(this.getClass().getClassLoader().getResource("").getPath() + File.separator + "templates" + File.separator + "userTemplate.xlsx");
        SXSSFWorkbook sxssfWorkbook = null;
        try {
            InputStream is = new FileInputStream(file);
            sxssfWorkbook = new SXSSFWorkbook( (XSSFWorkbook) WorkbookFactory.create(is) );
            //  设置响应头信息。
            response.setHeader("Charset", "UTF-8");
            response.setHeader("Content-Type", "application/force-download");
            response.setHeader("Content-Type", "application/vnd.ms-excel");
            response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode("用户明细模板" , "utf-8")+ ".xlsx");
            response.flushBuffer();
            OutputStream outputStream = response.getOutputStream();
            sxssfWorkbook.write(outputStream);
            //  处理在磁盘上支持此工作簿的临时文件。
            sxssfWorkbook.dispose();
        } catch (Exception e) {
           
        } finally {
            if (null != sxssfWorkbook){
                try {
                    sxssfWorkbook.close();
                }catch (Exception e){
                   
                }
            }
        }
    }

二、xls：

@PostMapping(value = "userTemplate")
    public void userTemplate(HttpServletResponse response, HttpServletRequest request) {
        File file = new File(this.getClass().getClassLoader().getResource("").getPath() + File.separator + "templates" + File.separator + "userTemplate.xls");
        HSSFWorkbook sxssfWorkbook = null;
        try {
            InputStream is = new FileInputStream(file);
            sxssfWorkbook = new HSSFWorkbook(is);
            //  设置响应头信息。
            response.setHeader("Charset", "UTF-8");
            response.setHeader("Content-Type", "application/force-download");
            response.setHeader("Content-Type", "application/vnd.ms-excel");
            response.setHeader("Content-disposition", "attachment; filename=" + URLEncoder.encode("用户模板" , "utf-8")+ ".xls");
            response.flushBuffer();
            OutputStream outputStream = response.getOutputStream();
            sxssfWorkbook.write(outputStream);
            //  处理在磁盘上支持此工作簿的临时文件。
            //sxssfWorkbook.dispose();
        } catch (Exception e) {
           
        } finally {
            if (null != sxssfWorkbook){
                try {
                    sxssfWorkbook.close();
                }catch (Exception e){
                   
                }
            }
        }
    }