hotelservlet.java

本软件系统可以实现预定酒店的多方位查询、预订酒店的功能。可以方便人们入住酒店,增加酒店的收入

package com.abc.hotel;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import javax.naming.*;
import javax.rmi.*;
import javax.ejb.*;

public class HotelServlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";
    /*
    protected HotelRemoteHome hotelRemoteHome;
    protected HotelRemote hotelRemote;
    protected HouseTypeRemoteHome houseTypeRemoteHome;
    protected HouseTypeRemote houseTypeRemote;
    HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();
    HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
    HotelRemote
    */
    //Initialize global variables
    /*
    public void init() throws ServletException {
    	hotelRemoteHome = lookupHotelRemoteHome();
    	houseTypeRemoteHome = lookupHouseTypeRemoteHome();
    	super.init();
    }
    */
    //Process the HTTP Get request
    //HttpSession session = new HttpSession();
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        request.setCharacterEncoding("gb2312");
        HttpSession session = request.getSession();
        response.setContentType(CONTENT_TYPE);
        PrintWriter out = response.getWriter();
        String action = (String)request.getParameter("action");
        
        
        if(action.equals("findAll")){ //---------------------------------------------------------------------findall
        	System.out.println ("this is find All");
        	try {
        		HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();//////////////////////////////////////////
        		Collection collection = hotelRemoteHome.findAll();
        		request.setAttribute("session_findAll",collection);
        		HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
        		request.setAttribute("session_houseTypeRemoteHome",houseTypeRemoteHome);
        		forward(request,response,"/jsp/hotel/showall.jsp");
        		
				
        		
		    }
		    catch (Exception ex) {
		    	out.println("Sorry I can not list all hotel");
		    }	
        }
        if(action.equals("findone")){//----------------------------------------------------------------------findone
        	System.out.println ("in find one");

        	String hotelid = request.getParameter("hotelid");
        	try {
        		HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();/////////////////////////////////////////////
        		HotelRemote hotelRemote = hotelRemoteHome.findByPrimaryKey(new Integer(hotelid));//////////////////////
        		String name = hotelRemote.getName();
        		String hotelDesc = hotelRemote.getHotelDesc();
        		String pic = hotelRemote.getPic();
        		String hotelLevel = hotelRemote.getHotelLevel();
        		String city = hotelRemote.getCity();
        		String address = hotelRemote.getAddress();
        		String traffic = hotelRemote.getTraffic();
        		String fw = hotelRemote.getFw();
        		String hy = hotelRemote.getHy();
        		String cy = hotelRemote.getCy();
        		String xx = hotelRemote.getXx();
        		String cCard = hotelRemote.getCcard();
        		request.setAttribute("session_hotelid",hotelid);
        		request.setAttribute("session_name",name);
        		request.setAttribute("session_hotelDesc",hotelDesc);
        		request.setAttribute("session_pic",pic);
        		request.setAttribute("session_hotelLevel",hotelLevel);
        		request.setAttribute("session_city",city);
        		request.setAttribute("session_address",address);
        		request.setAttribute("session_traffic",traffic);
        		request.setAttribute("session_fw",fw);
        		request.setAttribute("session_hy",hy);
        		request.setAttribute("session_cy",cy);
        		request.setAttribute("session_xx",xx);
        		request.setAttribute("session_cCard",cCard);
        		HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();//////////////////////////////////
        		Collection collection = houseTypeRemoteHome.findByHotelId(new Integer(hotelid));
        		
        		Iterator iterator = collection.iterator();
        		        	
        		request.setAttribute("session_hotel_type_iterator",iterator);
        		forward(request,response,"/jsp/hotel/HotelInfo.jsp");
        		
        		
		    }
		    catch (Exception ex) {
		    	out.println("some error in find one");
		    }
        
        	
        }
        
        
        if(action.equals("findByName")){//------------------------------------------------------------------findByName
        	System.out.println ("this is in findByName");
        	String name = request.getParameter("name");
        	try {
        		HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();/////////////////////////////////////////////
        		HotelRemote hotelRemote = hotelRemoteHome.findByName(name);
        		request.setAttribute("session_findByName",hotelRemote);
        		forward(request,response,"/jsp/hotel/showByName.jsp");
		    }
		    catch (Exception ex) {
		    	out.println("I can not find by name");
		    }	
        }
        
       
        if(action.equals("addHotel")){//---------------------------------------------------------------------addHotel
        	
        	System.out.println ("this is addHotel");
        	String name = request.getParameter("name");
			String hotelDesc = request.getParameter("hotelDesc");
			String pic = request.getParameter("pic");
			String hotelLevel = request.getParameter("hotelLevel");
			String city = request.getParameter("city");
			String address = request.getParameter("address");
			String traffic = request.getParameter("traffic");
			String fw = request.getParameter("fw");
			String hy = request.getParameter("hy");
			String cy = request.getParameter("cy");
			String xx = request.getParameter("xx");
			String cCard = request.getParameter("cCard");
			//把以上结果插入数据库 表hotel
			
			
			try {
				HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();////////////////////////////////////////////
				Integer hotelPK = (Integer)hotelRemoteHome.create(name,pic,hotelDesc,city,hotelLevel,cCard,cy,xx,hy,fw,traffic,address).getPrimaryKey();
				//System.out.println (hotelPK.toString());
				session.setAttribute("session_hotelPK",hotelPK);
				
				
				HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
				Collection collection = houseTypeRemoteHome.findByHotelId(hotelPK);
				Iterator it = collection.iterator();
				request.setAttribute("session_it",it);//将it插入session用于在jsp页面中显示此酒店已经添加的房间类型相信资料
				System.out.println ("go to AddHouseType.jsp");
				
				forward(request,response,"/jsp/hotel/AddHouseType.jsp");//跳转页面到AddHouseType.jsp
		    }
		    catch (Exception ex) {
		    	ex.printStackTrace();
		    	System.out.println ("I can't insert into Hotel table!!");
		    }
		    
		    
		    System.out.println ("add hotel_table date in oracle ok!");
			/*
			try {
				//String namek = "中国大饭店";
				HotelRemoteHome hotelRemoteHome = lookupHotelRemoteHome();///////////////////////////////////////////////
				HotelRemote hotelRemote = hotelRemoteHome.findByName(name);//测试结束后将namek改名为name
				Integer hotelPK = (Integer)hotelRemote.getPrimaryKey();	//得到当前hotelid
				session.setAttribute("session_hotelPK",hotelPK);//将当前hotelid插入session用于插入house_type
				
				HouseTypeRemoteHome houseTypeRemoteHome = lookupHouseTypeRemoteHome();
				Collection collection = houseTypeRemoteHome.findByHotelId(hotelPK);
				Iterator it = collection.iterator();
				request.setAttribute("session_it",it);//将it插入session用于在jsp页面中显示此酒店已经添加的房间类型相信资料
				System.out.println ("go to AddHouseType.jsp");
				forward(request,response,"/jsp/hotel/AddHouseType.jsp");//跳转页面到AddHouseType.jsp
				
		    }
		    catch (Exception ex) {
		    	ex.printStackTrace();
		    }
		    */

        }