下载文件的中文处理

来源：互联网发布：淘宝联盟推广方法编辑：程序博客网时间：2024/06/05 03:33

解决不同浏览器下处理中文的问题

解决长文件名的问题

        fileName = fileName + DateTools.getCurrentDate();
        String userAgent = request.getHeader(Constants.USER_AGENT);
        String encodeFileName = Tools.encode(userAgent, fileName);
        if (encodeFileName.length() > 150 && userAgent.contains("MSIE")) {
            //解决中文文件名超过17个汉字的问题
            encodeFileName =new String( fileName.getBytes("GBK"), "ISO8859-1" ) ;
        }
        response.setHeader("Content-Disposition",
              "attachment; filename=" + encodeFileName +".xls");

//        response.setHeader("Content-Disposition",
//                "attachment; filename=" + Tools.toUtf8String("设备信息"+System.currentTimeMillis()+".xls"));

        response.setContentType("application/vnd.ms-excel");
        OutputStream os = null;
        try {
            os = response.getOutputStream();
            excel.write(os);
        } catch (IOException e) {
            logger.info("---导出报表失败---" + e.getMessage());
        }

public static String encode(String userAgent, String content) {
        try {
            if (StringUtils.isNotBlank(content)) {
                if (userAgent.contains("MSIE")) {
                    content = URLEncoder.encode(content, "UTF-8");
                } else if (userAgent.contains("Opera")) {

                } else {
                    content = "=?UTF-8?B?" + new String(Base64.encodeBase64(content.getBytes("UTF-8")), "UTF-8") + "?=";
                }
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

        return content;
    }