基本信息
源码名称:火车订票系统
源码大小:2.59M
文件格式:.zip
开发语言:Java
更新时间:2017-05-14
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   源码介绍

网上订票系统

用到的技术为:javabean-servlet-jsp

sql server 2000
数据库文件在WebRoot的DB文件中!

 
  本系统实现了会员注册,会员登录,密码修改,以及会员信息的修改!
  
 初步实现了在线订购,订单查询,班次查询以及系统管理--对火车信息的添加等。



package com.bookonline.Servlet;
import java.io.IOException;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.bookonline.JavaBean.*;
import com.bookonline.DB.*;
public class AddTrainServlet extends HttpServlet 
{
        private Connection connection;
       public void init() throws ServletException
       {
           super.init();
               connection=DB.getConnection();
       }
       public void destroy()
       {
        super.destroy();
           //关闭数据库连接 
        DB.closeConnection(connection);
       }
   
  
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException 
    {
        doPost(request, response);
    }
    
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException
    {
        String checi = (String)request.getParameter("checi");
        String qidian = (String)request.getParameter("qidian");
        String zhongdian = (String)request.getParameter("zhongdian");
        String shijian = (String)request.getParameter("shijian");
        String piaojia = (String)request.getParameter("piaojia");
        String shengyu = (String)request.getParameter("shengyu");
        TicketDao ticketDao=new TicketDao();
        // System.out.println("====" checi "=====" qidian "====" zhongdian);
        // query方法查询是否有该种车次的票
        int value = -1;
try {
value = ticketDao.add(connection,checi,qidian,zhongdian,shijian,piaojia,shengyu);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
        if(value == 1)
{
// 添加成功!
        request.getSession().setAttribute("message", "添加成功,再次添加或返回!");
RequestDispatcher dispatcher = request.getRequestDispatcher("addtrain.jsp");
dispatcher.forward(request, response);
}
else
{
// 添加失败
request.getSession().setAttribute("message", "添加失败,重新添加或返回!");
RequestDispatcher dispatcher = request.getRequestDispatcher("addtrain.jsp");
dispatcher.forward(request, response);
}         
    }
}