用servlet将JSP转换为静态页面
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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