Java 下载excel表格中文为下滑线解决办法

 HttpServletResponce responce  返回时加上这段代码

        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("UTF-8");
        response.setHeader("Content-disposition", "attachment;filename=" + new
String(fileName.getBytes(StandardCharsets.UTF_8),"ISO8859-1"));