orderaction.java

模仿当当网基于struts+hierbernate与mysql的商务网站。

package org.whatisjava.dang.action;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;

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

import org.apache.commons.beanutils.BeanUtils;
import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.MappingDispatchAction;
import org.whatisjava.dang.domain.CartItem;
import org.whatisjava.dang.domain.Item;
import org.whatisjava.dang.domain.Order;
import org.whatisjava.dang.domain.ReceiveAddress;
import org.whatisjava.dang.domain.SendWay;
import org.whatisjava.dang.domain.User;
import org.whatisjava.dang.form.OrderForm;
import org.whatisjava.dang.service.CartService;
import org.whatisjava.dang.service.OrderService;
import org.whatisjava.dang.util.Constants;

public class OrderAction extends MappingDispatchAction {
	OrderService service=new OrderService();
	Logger logger=Logger.getLogger(this.clazz);
	/**
	 * 显示生成订单第一步页面（选择收货地址）
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward showOrderOne(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		HttpSession session = request.getSession() ;
		User user = (User)session.getAttribute(Constants.S_USER) ;
		ArrayList<ReceiveAddress> list = (ArrayList<ReceiveAddress>)service.findAddressByUser(user) ;
		request.setAttribute("address", list) ;

		return mapping.findForward("success");
	}
	/**
	 * 处理生成订单第一步的数据（接收所选择的收货地址的相关数据）
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward orderOne(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		logger.debug("orderOne():receiveId:"+((OrderForm)form).getReceiveId()) ;
//		logger.info(request.getParameter("reciveId")) ;
//		logger.info(request.getParameter("userId")) ;
//		logger.info(request.getParameter("receiveName")) ;
		return mapping.findForward("success");
	}
	/**
	 * 显示生成订单第二步页面（选择发货方式）
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward showOrderTwo(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ArrayList<SendWay> list = (ArrayList<SendWay>)service.findAllSendWay() ;
		request.setAttribute("sendWay", list) ;
		return mapping.findForward("success");
	}
	/**
	 * 处理生成订单第二步的数据（接收所选择的发货方式的相关数据）
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward orderTwo(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		HttpSession session = request.getSession() ;
		OrderForm of = (OrderForm)form ;
		logger.debug("orderTwo():receiveId:"+of.getReceiveId()) ;
		CartService cs = (CartService)session.getAttribute(Constants.S_CART) ;
		/*
		 *设置非用户填写的属性值
		 */
		of.setOrderTime(new Date().getTime()) ;
		of.setSendTime(new Date().getTime()+1000*60*60*24) ;
		of.setOrderPrice(cs.getDangPrice()) ;
		logger.debug("OrderPrice:"+of.getOrderPrice()+",SendFee:"+of.getSendFee());
		of.setTotalPrice(of.getOrderPrice()+of.getSendFee()) ;

		HashSet<Item> items=new HashSet<Item>();
		of.setItems(items);
		for(CartItem ct:cs.getItems()){
			if (!ct.isDrop()) {
				Item item = new Item();
				item.setProduct(ct.getProduct());
				item.setDangPrice(ct.getProduct().getDang_price());
				item.setProductNum(ct.getNumber());
				item.setAmount(item.getDangPrice() * item.getProductNum());
				items.add(item);
			}			
		}
		
		return mapping.findForward("success");
	}
	/**
	 * 显示生成订单第三步页面（确认订单）
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward showOrderThree(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {

		return mapping.findForward("success");
	}
	/**
	 * 生成订单最后一步（生成保存订单）
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward orderThree(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		OrderForm of = (OrderForm)form ;
		logger.debug("orderThree():receiveId:"+of.getReceiveId()) ;
		Order order = new Order() ;
		try {
			BeanUtils.copyProperties(order, of) ;
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			e.printStackTrace();
		}
		order.setUserId(((User)request.getSession().getAttribute(Constants.S_USER)).getId());
		order.setDeleted(false) ;
		order.setStatus(1);
		service.createOrder(order) ;
		
		CartService cart=(CartService)request.getSession().getAttribute(Constants.S_CART);
		cart.clear();
		return mapping.findForward("success");
	}
	
}