createorderformaction.java

IBM提供的购物车

package com.webshop.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.webshop.forms.*;
import com.webshop.domain.*;
import com.webshop.db.ItemDAO;
import com.webshop.db.SequenceDAO;

/**
 * @version 	1.0
 * @author
 */
public class CreateOrderFormAction extends Action {

	/**
	* Constructor
	*/
	public CreateOrderFormAction() {

		super();

	}
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {

	   try
	   {
	   	AccountForm acctForm = (AccountForm) request.getSession().getAttribute("accountForm");
        CartForm cartForm = (CartForm) request.getSession().getAttribute("cartForm");

        OrderForm orderForm = (OrderForm) form;
        int nextid= SequenceDAO.getInstance().getNextId("orders");
        Account account=acctForm.getAccount();
        Cart cart=cartForm.getCart();
        
        if(cart==null||account==null) System.out.println("cart==null||account==null");
        if(orderForm==null) 
        {
        	orderForm=new OrderForm();
        	System.out.println("orderForm==null");
        }
        
        orderForm.getOrder().initOrder(nextid,account ,cart);
        request.getSession().setAttribute("orderForm",orderForm);
        return mapping.findForward("success");    
	   }
	   catch(Exception e)
	   {
	   	e.printStackTrace();
	   	throw e;
	   }

    }


}