动态JSP页生成静态HTML的方法

 import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class JspFilter implements Filter { public void destroy() { // TODO 自动生成方法存根 } public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest hreq = (HttpServletRequest) request; HttpServletResponse hresp = (HttpServletResponse) response; String name = hreq.getRequestURL().substring( hreq.getRequestURL().lastIndexOf("/") + 1, hreq.getRequestURL().lastIndexOf(".")); if (hreq.getRequestURL().indexOf(".jsp") != -1 && (null == hreq.getParameter("type") || hreq.getParameter("type").equals(""))) { hresp.sendRedirect(hreq.getContextPath()+"/conversion?name="+hreq.getRequestURL()); return ; } chain.doFilter(request, response); } public void init(FilterConfig arg0) throws ServletException { // TODO 自动生成方法存根 } } 

 import java.io.BufferedReader; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.net.HttpURLConnection; import java.net.URL; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class ConversionServlet extends HttpServlet { public ConversionServlet () { super(); } public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); //----获取请求的URL String reqTarget = request.getParameter("name"); //----指定对应JSP的HTML名称 String name = reqTarget.substring(reqTarget.lastIndexOf("/") + 1,reqTarget.lastIndexOf(".")); //---判断是否存在对应的HTML文件 File file = new File(request.getRealPath("/") + name + ".html"); if (!file.exists()) {  //--------如果不存在对应的HTML文件 try { file.createNewFile();  //--------创建HTML文件 //-------将JSP的内容写入对应的HTML文件内 InputStream in; StringBuffer sb = new StringBuffer(""); //----注意这里，不能直接访问请求的URL，如果直接访问的话，会陷入死循环 URL url = new java.net.URL(reqTarget.toString()+"?type=11"); HttpURLConnection connection = (HttpURLConnection) url .openConnection(); connection.setRequestProperty("User-Agent", "Mozilla/4.0"); connection.connect(); in = connection.getInputStream(); java.io.BufferedReader breader = new BufferedReader( new InputStreamReader(in, "GBK")); String currentLine; FileOutputStream fos = new FileOutputStream(file); while ((currentLine = breader.readLine()) != null) { sb.append(currentLine); fos.write(currentLine.getBytes()); } if (null != breader) breader.close(); if (null != fos) fos.close(); //---------------转到与JSP对应的HTML页 response.sendRedirect(request.getContextPath()+"/"+name + ".html"); } catch (Exception e) { e.printStackTrace(); } }else{ //----------如果存在指定的HTML，直接跳转到指定的HTML页 response.sendRedirect(request.getContextPath()+"/"+name + ".html"); } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } public void init() throws ServletException { // Put your code here } } 

    jspfiltercom.beanutil.JspFilter jspfilter*.jsp conversioncom.beanutil.ConversionServlet  conversion/conversion