动态JSP页面静态化，html输出

package servlet; 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 { private static final String CONTENT_TYPE = "text/html; charset=GBK"; // Initialize global variables public void init() throws ServletException { } // Process the HTTP Get request public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); service(request, response); } // Process the HTTP Post request public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } public void destroy() { } public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(this.CONTENT_TYPE); 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 = "D:\\workspace\\.metadata\\.plugins\\com.genuitec.eclipse.easie.tomcat.myeclipse\\tomcat\\webapps\\MakeHtml\\" + file_name + ".html"; System.out.println("file_name：" + file_name); System.out.println("name：" + name); System.out.println("url：" + url); // 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！</font></p>"); } }