page_servlet.java~21~

来自「FAQ管理全源代码」· JAVA~21~ 代码 · 共 45 行

package faq_project;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class Page_Servlet
    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);
    request.setCharacterEncoding("GBK");
    HttpSession session = request.getSession(true);
    Page_Bean pagebean1 = (Page_Bean) session.getAttribute("bean");
    try {
      if(request.getParameter("page").equals("Black"))
       pagebean1.blackPage();
      if(request.getParameter("page").equals("Next"))
        pagebean1.nextPage();
      if(request.getParameter("page").equals("GOTO"))
      pagebean1.gotoPage(Integer.parseInt(request.getParameter("page_num")));
      response.sendRedirect("Text_page.jsp");
    }
    catch (Exception e) {}
  }

  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    doGet(request, response);
  }

  //Clean up resources
  public void destroy() {
  }
}