showcartaction.java

一个java写的网上购物系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.hb.myshop.struts.action;

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 com.hb.myshop.idao.ICartDAO;
import com.hb.myshop.po.Cart;


/** 
 * MyEclipse Struts
 * Creation date: 09-28-2008
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class ShowCartAction extends Action {
	private ICartDAO cdao;
	public ICartDAO getCdao() {
		return cdao;
	}
	public void setCdao(ICartDAO cdao) {
		this.cdao = cdao;
	}
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		HttpSession session=request.getSession();
		String cartId=(String)session.getAttribute("cartId");
		String wareId=request.getParameter("Id");
		if(wareId!=null){
			getCdao().deleteWareFromCart(cartId, wareId);
		}
		if(cartId!=null&&!cartId.equals("")){
			List carts=getCdao().getCartById(cartId);
			float sum=0;
			for(int i=0;i<carts.size();i++){
				sum+=Float.parseFloat(((Cart)carts.get(i)).getNumprice());
			}
			request.setAttribute("sum", sum);
			request.setAttribute("carts",carts);
		}
		return mapping.findForward("showCart");
	}
}