buygoodsaction.java

这是一个购物网站可以实现购物的功能还有后台管理

package com.my.struts.action;

import java.util.ArrayList;

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

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.my.model.MyCartBO;

public class BuyGoodsAction extends Action 
{
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		// TODO Auto-generated method stub
		MyCartBO mbo=(MyCartBO)request.getSession().getAttribute("cart");
		if(mbo==null)
		{
			mbo=new MyCartBO();
			request.getSession().setAttribute("cart", mbo);
		}
		String goodsId=request.getParameter("goodsId");
		//System.out.println(goodsId+"就是这个ID");
		//MyCartBO mbo=new MyCartBO();//每次有个购物车[session]		
		//默认每次购买一张CD，可以修改。
		mbo.addGoods(goodsId, "1");
		ArrayList al=mbo.showMyCart();
		request.setAttribute("mycart", al);
		return mapping.findForward("success");
	}
  
}