orderaction.java

shoppingCar 购物车

package com.tarena.shoppingcar.action;

import java.util.Set;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.MappingDispatchAction;

import com.tarena.shoppingcar.biz.ItemBiz;
import com.tarena.shoppingcar.biz.OrderBiz;
import com.tarena.shoppingcar.biz.UserBiz;
import com.tarena.shoppingcar.entity.Cart;
import com.tarena.shoppingcar.entity.Item;
import com.tarena.shoppingcar.entity.Order;
import com.tarena.shoppingcar.entity.User;

public class OrderAction extends MappingDispatchAction {

	public ActionForward over(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
//		if (isTokenValid(request, true)) {
			try {
				forward = mapping.findForward("success");
				HttpSession session = request.getSession();
				Cart car = (Cart) session.getAttribute("car");
				Set<Item> items = car.transMapToSet(car.getItems());
				User user = (User) session.getAttribute("user");
				Order order = new Order();
				String oid = getOid();
				request.setAttribute("oid", oid);
				order.setOid(oid);
				order.setItems(items);
				order.setUser(user);
				order.setCost(car.getCost());
				OrderBiz ob = new OrderBiz();
				// 把定单存到数据库
				ob.save(order);
				
				String address = request.getParameter("address");
				String postCode = request.getParameter("postCode");
				String email = request.getParameter("email");
				String homePhone = request.getParameter("homePhone");
				user.setAddress(address);
				user.setPostCode(postCode);
				user.setEmail(email);
				user.setHomePhone(homePhone);
				UserBiz ub = new UserBiz();
				// 将用户信息同步更新到数据库
				ub.modify(user);

				ItemBiz ib = new ItemBiz();
				int id = ob.findId();
				// 将定单项持久到数据库
				ib.save(items, id);

				session.invalidate();
			} catch (Exception e) {
				e.printStackTrace();
				saveErrors(request, getMessages("product.order"));
				forward = mapping.findForward("error");
			}
//		} else {
//			forward = mapping.findForward("errorToken");
//		}
		return forward;
	}

	private String getOid() {
		long time = System.currentTimeMillis();
		int a = new java.util.Random().nextInt() * 87;
		int b = new java.util.Random().nextInt() * 99 + 99;
		long aa = time + a ^ b;
		System.out.print(aa);
		return aa + "";
	}

	private ActionMessages getMessages(String key) {
		ActionMessages errors = new ActionMessages();
		ActionMessage message = new ActionMessage(key);
		errors.add("error", message);
		return errors;
	}
}