public static ResponseEntity<FileSystemResource> export(File file) throws UnsupportedEncodingException {
        if (file == null) {
            return null;
        }
        //這個位置對文件名進(jìn)行編碼
        String fileName = new String (file.getName().getBytes("GBK"),"ISO-8859-1");
        HttpHeaders headers = new HttpHeaders();
        headers.add("Cache-Control", "no-cache, no-store, must-revalidate");
        headers.add("Content-Disposition", "attachment; filename=" +fileName);
        headers.add("Pragma", "no-cache");
        headers.add("Expires", "0");
        headers.add("Last-Modified", new Date().toString());
        headers.add("ETag", String.valueOf(System.currentTimeMillis()));
        return ResponseEntity
                .ok()
                .headers(headers)
                .contentLength(file.length())
                .contentType(MediaType.parseMediaType("application/octet-stream"))
                .body(new FileSystemResource(file));
    }

public static void exportToExcel(String uid, String name, String htmlText,?
HttpServletRequest request, HttpServletResponse response) {
? ? ? htmlText = htmlText.replaceFirst("<table>", "<tableFirst>");
? ? ? htmlText = htmlText.replaceAll("<table>",
? ? ? ? ? ? "<table cellpadding=\"3\" cellspacing=\"0\" ?border=\"1\" rull=\"all\"?
style=\"border-collapse: collapse\">");
? ? ? htmlText = htmlText.replaceFirst("<tableFirst>", "<table>");
? ? ? try (OutputStream out = response.getOutputStream()) {
? ? ? ? ?String fileName = name+ "_" + DateUtils.getNow("yyyyMMddHHmmss");
// ? ? ? fileName = new String(fileName.getBytes(),"utf-8")+ ".xls";
? ? ? ? ?if ("large".equals(htmlText)) {
? ? ? ? ? ? ReportingPo report = reportingService.getByUid(uid);
? ? ? ? ? ? Map<String, Object> formParameters = generationService.getFormParameters(request.getParameterMap(),?
report.getDataRange());
? ? ? ? ? ? ReportTable reportTable = generationService.getReportTable(report, formParameters);
? ? ? ? ? ? htmlText = reportTable.getHtmlText();
? ? ? ? ?}
// ? ? ? response.reset();
? ? ? ? ?response.addHeader("Content-Disposition", "attachment;filename=" +
?new String(fileName.getBytes("utf-8"),"iso-8859-1")+ ".xls");
// ? ? ? response.setHeader("Content-Disposition", String.format("attachment; filename=%s", fileName));
? ? ? ? ?response.setContentType("application/vnd.ms-excel; charset=utf-8");
? ? ? ? ?response.setCharacterEncoding("utf-8");
? ? ? ? ?response.addCookie(new Cookie("fileDownload", "true"));
// ? ? ? out.write(new byte[] { (byte) 0xEF, (byte) 0xBB, (byte) 0xBF }); // 生成帶bom的utf8文件
? ? ? ? ?out.write(htmlText.getBytes("utf-8"));
? ? ? ? ?out.flush();
? ? ? } catch (Exception ex) {
? ? ? ? ?throw new RuntimeException(ex);
? ? ? }
? ?}

new String(fileName.getBytes("utf-8"),"iso-8859-1")+ ".xls"