viderpanier.java

我的本科课程设计

//import java.net.URL;
//import java.sql.*;
import javax.servlet.ServletOutputStream;
//import javax.servlet.ServletConfig;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class ViderPanier extends HttpServlet {
	
		
//----------------------------------------------------
 public void service(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
  {
    try
    {
    	// Get the user's session and shopping cart
	HttpSession session = req.getSession(true);
	Panier mon_panier = (Panier)session.getAttribute(session.getId());
    

        // If the user has no cart, create a new one
       if (mon_panier == null) 
	   	   {
           mon_panier = new Panier();
           session.setAttribute(session.getId(), mon_panier);
           }
		
		//on vide le panier
		mon_panier.removeAll();
		
		//on redirige apres le vidage sur le panier!!
		res.sendRedirect("ContenuPanier");
		
    }
    	
	catch (java.lang.Exception ex)
        {
		// On l鑦e les autres exceptions!.		
		ex.printStackTrace ();
		
		}

        }//end service



}//end