jsp中自動產生靜態html頁面實作類別

例1

代碼如下

複製代碼

public class JspToHtml {    private static String title = "標題1";  private static String context = "標題2";  private static String editer = "標題3";    public static boolean jspToHtmlFile(String filePath,String htmlFile){     String str = "";   try {    FileInputStream is = new FileInputStream(filePath);    BufferedReader br = new BufferedReader(new InputStreamReader(is));    String tempStr = "";    while((tempStr = br.readLine()) != null){     str = str + tempStr;    }       br.close();    is.close();   } catch (IOException e) {    e.printStackTrace();    return false;   }     try {    str = str.replaceAll("##title##", title);    str = str.replaceAll("##context##", context);    str = str.replaceAll("##editer##", editer);    System.out.println(str);    File file = new File(htmlFile);    BufferedWriter writer = new BufferedWriter(new FileWriter(file));    writer.write(str);    writer.close();        } catch (IOException e) {    e.printStackTrace();    return false;   }     return true;    }    public static void main(String[] args) {   String url = "D:Workspacesbase.html";   String savePath = "d:" + 11 + ".html";     jspToHtmlFile(url, savePath);  } }

例2

toHtml.java(不用修改,直接用)
    
  

代碼如下

複製代碼

package com.jetsum.mystatic;     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 = request.getParameter("urls")!=null?request.getParameter("urls"):"";                 //url是要產生htm的jsp頁面                 String name = "";                 response.setContentType("text/html;charset=gb2312");                 ServletContext sc = getServletContext();                 System.out.println("request.getRealPath"+request.getRealPath(""));                  name = request.getRealPath("") + "/index.htm";      /*產生htm頁  位置在%伺服器的根目錄%/工程名/index.htm 例如:d:/tomcat5.0/webapp/studyteach/index.htm  ,注意這裡是在根目錄產生,你可以產生後放到你想放的檔案夾裡,保證其它東西如圖片的路徑正確     這裡就寫成name = request.getRealPath("") + "/kszx/kszx.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輸出的內容寫到xxx.htm                 os.writeTo(fos);                 fos.close();                 PrintWriter out = response.getWriter();                 out.print("<p align=center><font size=3 color=red>首頁已經成功產生！</font></p>");             }     }     web.xml     中添加        <servlet>         <servlet-name>tohtm</servlet-name>         <servlet-class>com.jetsum.mystatic.toHtml</servlet-class>     </servlet>       <servlet-mapping>         <servlet-name>tohtm</servlet-name>         <url-pattern>/web/tohtm</url-pattern>       </servlet-mapping>     使用方法很簡單  mytest.jsp(wwwroot下)     <a href="web/tohtm?urls=/kszx/kszx.jsp">產生靜態頁</a>    kszx.jsp為要產生htm的動態網頁     如果不在wwwroot下,在wwwroot/pp下     就要寫成     <a href="../web/tohtm?urls=/kszx/kszx.jsp">產生靜態頁</a>

例3

代碼如下

複製代碼

package slt; import javax.servlet.*; import javax.servlet.http.*; import java.io.*; 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 {      String url = "";      String name = "";      String pName = "";      ServletContext sc = getServletContext();      String file_name = request.getParameter("file_name"); //你要訪問的jsp檔案,如index.jsp //則你訪問這個servlet時加參數.如http://localhost/toHtml?file_name=index      url = "/" + file_name + ".jsp"; //這是要產生HTML的jsp檔案,如//http://localhost/index.jsp的執行結果.      name = file_name + ".htm"; //這是產生的html檔案名稱,如index.htm.      pName = "../WebModule2/" + file_name + ".htm"; //產生html的完整路徑      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(pName); //把jsp輸出的內容寫到指定路徑的htm檔案中      os.writeTo(fos);      fos.close();      response.sendRedirect(name); //書寫完畢後轉向htm頁面    }   }