下载文件时不同的浏览器乱码处理

/**
     * 设置下载时 文件名显示为中文 屏蔽了浏览器的差异
     */
    public static void setFileDownloadHeader(HttpServletRequest request,
            HttpServletResponse response, String fileName) {
        final String userAgent = request.getHeader("USER-AGENT");
        boolean isMSIE = (userAgent != null && userAgent.indexOf("MSIE") != -1);
        try {
            String finalFileName = null;
            if (isMSIE) {// IE浏览器
                finalFileName = URLEncoder.encode(fileName, "UTF8");
            } else {
                finalFileName = new String(fileName.getBytes("UTF-8"),
                        "ISO8859-1");
                ;// 其他浏览器
            }
            response.setHeader("Content-Disposition", "attachment; filename=\""
                    + finalFileName + "\"");// 这里设置一下让浏览器弹出下载提示框，而不是直接在浏览器中打开
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }