forumservlet.java~4~

一个基于JAVA的BS结构的宠物诊所管理系统.是当年在学校时写的,大家指点一下.

package gxaccp.t07.guoneng_wei.petclinicmanagesystem.servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import java.sql.*;
import gxaccp.t07.guoneng_wei.bbs.beans.*;
import gxaccp.t07.guoneng_wei.jdbc.*;

public class ForumServlet
    extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GBK";

  //Initialize global variables
  public void init(ServletConfig scf) throws ServletException {
    super.init(scf);
  }


  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    request.setCharacterEncoding("GBK");
    doPost(request, response);
  }

  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws
      ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    request.setCharacterEncoding("GBK");
    String pageNum=request.getParameter("jumpPage");//接收请求的页号
    try {
      Connection con=(Connection) this.getServletContext().getAttribute("connection");
      PageBean pb = new PageBean();
      synchronized (con) {
        if (pageNum != null && !pageNum.equals("")) { //如果有参数传来页面号
          pb.setCurrentPage(Integer.parseInt(pageNum));//就将参数设置为当前页面号
          System.out.println("111111111111111111111111111111111111");
        }
        pb.init(con);//初始化PageBean对象
      }
      request.setAttribute("PageBean",pb);//请求范围内的属性
    }
    catch (Exception ex) {
    }
    request.getRequestDispatcher("view.jsp").forward(request,response);
  }

  //Clean up resources
  public void destroy() {
    super.destroy();
  }

}