平板电脑与火狐浏览器下载excel中文文件名乱码

        fileName = new String(fileName.getBytes("utf-8"), "iso8859-1");//兼容火狐、ie、平板
        response.setHeader("Content-Disposition", "attachment; filename=" + fileName+".xlsx");
        //返回内容为excel
        response.setContentType("application/ms-excel;charset=UTF-8");

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