src/com/action/buyAction.java

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package com.action;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.Servlet;
import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;

import com.dao.TCanzhuoDAO;
import com.dao.TCatelogDAO;
import com.dao.TGoodsDAO;
import com.dao.TOrderDAO;
import com.dao.TOrderItemDAO;
import com.model.TGoods;
import com.model.TOrder;
import com.model.TOrderItem;
import com.opensymphony.xwork2.ActionSupport;
import com.util.Cart;

public class buyAction extends ActionSupport
{
	private int goodsId;
	private int quantity;
	
	private int orderId;
	
	private TGoodsDAO goodsDAO;
	private TOrderDAO orderDAO;
	private TOrderItemDAO orderItemDAO;
	private TCanzhuoDAO canzhuoDAO;
	
	private String message;
	private String path;
	
	private String orderBianhao;
	
	public String addToCart()
	{
		TGoods goods=goodsDAO.findById(goodsId);
		
		TOrderItem orderItem=new TOrderItem();
		orderItem.setGoods(goods);
		orderItem.setGoodsQuantity(1);
		
		
		Cart cart=null;
		Map session= ServletActionContext.getContext().getSession();
		if(session.get("cart")==null)
		{
			cart = new Cart();
		}
		else
		{
			cart = (Cart)session.get("cart");
		}