jsp生成静态页面的方法-技术开发jsp技术-Ubuntu系统_Ubuntu服务器

复制代码代码如下:
import Java.io.ByteArrayOutputStream;
import Java.io.FileOutputStream;
import Java.io.IOException;
import Java.io.OutputStreamWriter;
import Java.io.PrintWriter;

import Javax.servlet.RequestDispatcher;
import Javax.servlet.ServletContext;
import Javax.servlet.ServletException;
import Javax.servlet.ServletOutputStream;
import Javax.servlet.http.HttpServlet;
import Javax.servlet.http.HttpServletRequest;
import Javax.servlet.http.HttpServletResponse;
import Javax.servlet.http.HttpServletResponseWrapper;

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,如index.jsp
  //则你访问这个servlet时加参数.如http://localhost/toHtml?file_name=index

        url = "/"+file_name+".jsp";//这是你要生成HTML的jsp文件,如
                                   //http://localhost/index.jsp的执行结果.

        name="/home/resin/resin-2.1.6/doc/"+file_name+".htm";//这是生成的html文件名,如index.htm.

        RequestDispatcher rd = sc.getRequestDispatcher(url);

        final ByteArrayOutputStream os = 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 out=response.getWriter();
        out.print("<p align=center><font size=3 color=red>首页已经成功生成！Andrew</font></p>");
    }
}

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