creditcardcontroller.java

这是一个小程序 网上书店用的 我们学生做的一个小实验

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import bean.*;
public class CreditCardController extends Controller{
	
	public void doPost (HttpServletRequest req, HttpServletResponse res)
	throws ServletException, IOException {
	
	// Get the session object.
	HttpSession session = req.getSession();
	
	// Lets invalidate the session to get rid of the unnecessary objects.
	session.invalidate();
	
	// Get a fresh HttpSession.
	session = req.getSession();
	
    String name=req.getParameter("name");
	String number=req.getParameter("number");
	String type=req.getParameter("type");
	String date=req.getParameter("date");


	try {
		CreditCard creditcard=new CreditCard(name,number,type,date);
		session.setAttribute("creditcard", creditcard);
        res.sendRedirect("/bookstore/confirm.jsp");
	    return;
	    }catch (Exception e) {
	    sendErrorRedirect(req, res, e);
	    return;
	}
    }
}