vieworderaction.java

一个简易的网上书店（jsp+sqlservler+struts）。

package com.webshop.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.webshop.forms.AccountForm;
import com.webshop.domain.*;
import com.webshop.db.*;

/**
 * @version 	1.0
 * @author
 */
public class ViewOrderAction extends Action {

	/**
	* Constructor
	*/
	public ViewOrderAction() {

		super();

	}
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {
		AccountForm acctForm = (AccountForm) form;
		
		    int orderId = Integer.parseInt(request.getParameter("orderId"));		
		    String userId = acctForm.getAccount().getUserId();
		    OrderDAO orderDAO=new OrderDAO();
			  
		     Order order = orderDAO.getOrderByOrderId(orderId); 		  
		
		    if (acctForm.getAccount().getUserId().equals(order.getUserId())) {
		      request.setAttribute("order", order);
		      request.setAttribute("itemList", order.getLineItems());
		      return mapping.findForward("success");
		    } else {
		      request.setAttribute("message", "You may only view your own orders.");
		      return mapping.findForward("error");
		    }

	}
}