Servlet 下载文件代码
发布时间:2020-12-15 03:20:01 所属栏目:Java 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 public class DownloadServlet extends HttpServlet { private static final long serialVersionUID = 1L; private static final int BUFSIZE = 4096;
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 public class DownloadServlet extends HttpServlet { private static final long serialVersionUID = 1L; private static final int BUFSIZE = 4096; String filePath = null; protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException { filePath = getServletContext().getRealPath("") + File.separator + "abc.txt"; File file = new File(filePath); int length = 0; ServletOutputStream outStream = response.getOutputStream(); response.setContentType("text/html"); response.setContentLength((int) file.length()); String fileName = (new File(filePath)).getName(); response.setHeader("Content-Disposition","attachment; filename=""+ fileName + """); byte[] byteBuffer = new byte[BUFSIZE]; DataInputStream in = new DataInputStream(new FileInputStream(file)); while ((in != null) && ((length = in.read(byteBuffer)) != -1)) { outStream.write(byteBuffer,length); } in.close(); outStream.close(); } } 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |