orderaction.java

网上购物车的JAVA代码实现版

package feng.shoppingcart.web.action;

import java.util.Collection;
import java.util.HashSet;

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

import org.apache.struts.action.*;


import feng.shoppingcart.biz.*;
import feng.shoppingcart.entity.*;
import feng.shoppingcart.util.UtilContext;
import feng.shoppingcart.web.form.*;
public class OrderAction extends Action{
	@Override 
	public ActionForward execute(ActionMapping mapping,ActionForm form,
							HttpServletRequest request,HttpServletResponse response)throws Exception{
		OrderForm orderForm = (OrderForm)form ;
		UserBiz biz = null ;
		try{
			Cart cart=(Cart) request.getSession(true).getAttribute("cart");
			if(cart==null)	return mapping.findForward("cartnull");
			biz = UtilContext.getUserBiz();
			User user=(User)request.getSession(true).getAttribute("user");
			if(user==null)	return mapping.findForward("nologin");
			if( user!=null){
				String address=orderForm.getAddress();
				String postCode=orderForm.getPostCode();
				String email=orderForm.getEmail();
				String homePhone=orderForm.getHomePhone();
				String cellPhone=orderForm.getCellPhone();
				String officePhone=orderForm.getOfficePhone();
				user.setAddress(address);
				user.setPostCode(postCode);
				user.setEmail(email);
				user.setHomePhone(homePhone);
				user.setCellPhone(cellPhone);
				user.setOfficePhone(officePhone);
				biz.updateUser(user);
				request.getSession( true ).setAttribute( "user" , user );
				try{
					User user1=(User)request.getSession(true).getAttribute("user");
					
					
					if(cart.getItems().size()==0)	return mapping.findForward("cartnull");
					Order order=new Order();
					order.setCost(cart.getCost());
					order.setUser(user1);
					Collection<Item> items=new HashSet<Item>();
					for(Item item:cart.getIte()){
						item.setOrder(order);
						items.add(item);
					}
					order.setItems(items);
					biz.insertOrder(order);
					request.getSession(true).setAttribute("order", order);
					return mapping.findForward("orderOk");
				}catch(Exception e){
					e.printStackTrace();
					return mapping.findForward("orderError");
				}

			}else{
				return mapping.findForward( "loginError" );
			}
		}catch( Exception e){
			e.printStackTrace();
			return mapping.findForward( "loginError" );
		}
	}
}