JSP生成静态html网页

 /**
  * jsp生成静态html网页
  */
 public class ToHtml extends HttpServlet {
     public void service(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
         String url = "";
         String name = "";
         ServletContext sc = getServletContext();
         String file_name = request.getParameter("file_name");// 你要访问的jsp文件名,如index，不包括扩展名
         // 则你访问这个servlet时加参数.如[url]http://localhost/test/toHtml?file_name=index[/url]
         url = "/" + file_name + ".jsf";// 你要生成的页面的文件名。我的扩展名为jsf .
         name = ConfConstants.CONTEXT_PATH + "\\" + file_name + ".htm";// 这是生成的html文件名,如index.htm.文件名字与源文件名相同。扩展名为htm
         // ConfConstants.CONTEXT_PATH为你的应用的上下文路径。
         RequestDispatcher rd = sc.getRequestDispatcher(url);
         final ByteArrayOutputStream ōs = new ByteArrayOutputStream();
         final ServletOutputStream stream = new ServletOutputStream() {
             public void write(byte[] data, int offset, int length) {
                 os.write(data, offset, length);
             }

             public void write(int b) throws IOException {
                 os.write(b);
             }
         };
         final PrintWriter pw = new PrintWriter(new OutputStreamWriter(os));
         HttpServletResponse rep = new HttpServletResponseWrapper(response) {
             public ServletOutputStream getOutputStream() {
                 return stream;
             }

             public PrintWriter getWriter() {
                 return pw;
             }
         };
         rd.include(request, rep);
         pw.flush();
         FileOutputStream fos = new FileOutputStream(name); // 把jsp输出的内容写到xxx.htm
         os.writeTo(fos);
         fos.close();
         PrintWriter ōut = response.getWriter();
         out.print("<p align=center><font size=3 color=red>页面已经成功生成！single<br>[url]http://www.xxxx.org/space/?[/url] 233</font></p>");
     }
 }