updateshopcartaction.java

网上书店后台管理源码基于struts1.2+oracle数据库

package com.dongfang.action;

import java.util.ArrayList;
import java.util.List;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;

import com.dongfang.form.UpdateShopCartForm;
import com.dongfang.po.Contants;
import com.dongfang.vo.ShopCart;

/** 
 * MyEclipse Struts
 * Creation date: 09-06-2007
 * 
 * XDoclet definition:
 * @struts.action input="/wrong.jsp" validate="true"
 */
public class UpdateShopCartAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// TODO Auto-generated method stub
		
		UpdateShopCartForm updateShopCartForm = (UpdateShopCartForm)form;
		Integer [] count = (Integer[])updateShopCartForm.getCount();
		Integer [] del = (Integer[])updateShopCartForm.getDel();
		//
		
		HttpSession session = request.getSession();
		List shopCartList =(ArrayList) session.getAttribute(Contants.SHOPCART_KEY);
		//System.out.println(shopCartList.size());
		if(shopCartList!=null)
		{
			for(int i=0;i<shopCartList.size();i++)
			{
				ShopCart shopCart = (ShopCart)shopCartList.get(i);
				shopCart.setCount(count[i].intValue());
				shopCartList.set(i, shopCart);
			}
			if(del!=null)
			{	
				for(int j=shopCartList.size()-1;j>=0;j--)
				//int length= shopCartList.size();
				//for(int j=0;j<length;j++)
				{
					ShopCart shopCart = (ShopCart)shopCartList.get(j);
					System.out.println("index:"+j);
					System.out.println(shopCart.getBook().getId());
						for(int k=0;k<del.length;k++)
						{
							if(shopCart.getBook().getId()==del[k].intValue())
							{
								shopCartList.remove(j);
							}
						}
				}
			}
			session.setAttribute(Contants.SHOPCART_KEY, shopCartList);
		}
		return mapping.findForward("toShopCartOK");
	}
}