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📄 show.java

📁 一个jsp的课程设计:电子商务网站
💻 JAVA
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/*
 * Show.java
 *
 * Created on 2007年11月22日, 下午2:25
 */

package pageShow;

import java.io.*;
import java.net.*;
import dbpack.dbConnect;
import java.sql.SQLException;
import javax.servlet.*;
import javax.servlet.http.*;
import org.omg.PortableServer.REQUEST_PROCESSING_POLICY_ID;
import java.util.*;

/**
 *
 * @author weiyunbo
 * @version
 */
public class Show extends HttpServlet {
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String id;
        String type;
        request.setCharacterEncoding("UTF-8");
        id=request.getParameter("id");
        type=request.getParameter("type");
        if(id==null){
            response.sendRedirect("index.jsp");
        }
        /* TODO output your page here
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet Show</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet Show at " + request.getContextPath () + "</h1>");
        out.println("</body>");
        out.println("</html>");
         */
        foodInfo fi=new foodInfo();
        roomShow rms=new roomShow();
        HttpSession session=request.getSession(true);
        try {
            dbConnect db=new dbConnect();
            if(type.equals("food")){
                db.rs=db.sat.executeQuery("select * from food where foodid="+id);
                
                while(db.rs.next()){                    
                    fi.setFoodboss(db.rs.getString("foodboss"));
                    fi.setFoodcooker(db.rs.getString("foodcooker"));
                    fi.setFooddescription(db.rs.getString("fooddescription"));
                    fi.setFoodid(db.rs.getString("foodid"));
                    fi.setFoodname(db.rs.getString("foodname"));
                    fi.setFoodprice(db.rs.getString("foodprice"));
                    fi.setFoodroom(db.rs.getString("foodroom"));
                    fi.setRoom(db.rs.getString("room"));
                }
                session.setAttribute("foodinfo",fi);
                session.setAttribute("roomInfo",null);
            }else{
                db.rs=db.sat.executeQuery("select * from room where roomid="+id);
                
                while(db.rs.next()){                    
                    rms.setRoomadd(db.rs.getString("roomadd"));
                    rms.setRoomid(db.rs.getString("roomid"));
                    rms.setRoomname(db.rs.getString("roomname"));
                    rms.setRoompicture(db.rs.getString("roompicture"));
                    rms.setRoomtel(db.rs.getString("roomtel"));
                }
                session.setAttribute("roomInfo",rms);
                session.setAttribute("foodinfo",null);
            }
            
            db.doClose();
            response.sendRedirect("show.jsp?type="+type);
        } catch (SQLException ex) {
            ex.printStackTrace();
        }
        out.close();
    }
    
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }
    
    /** Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}

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