orderlistservlet.java

机械工业出版社的《jsp2.0动态网站开发实例指南》的源代码

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

import AccountsPack.User;
import DataCenterPackage.Condition;
import DataCenterPackage.OrderCondition;
import OrderPack.Order;
import OrderPack.OrderManager;

public class orderListServlet extends HttpServlet{
    public void doPost (HttpServletRequest request,
		       HttpServletResponse response) {
        doGet(request, response);
        
    }
    
    public void doGet (HttpServletRequest request,
		       HttpServletResponse response) {
        try{
            HttpSession session = request.getSession(true);
            User user = (User)session.getAttribute("userBean");

            Order []orderList;
            OrderManager om = OrderManager.GetOrderManager();
            if ( user.get_identity() == User.GRP_OPERATOR ||
                user.get_identity() == User.GRP_ADMINISTRATOR ) {
                orderList = om.SearchOrders(null);
            } else {
                orderList = om.SearchOrders(new Condition[]{ new Condition(OrderCondition.RP_ORDERUSERNAME, OrderCondition.CO_EQUAL, user.get_userName())});
            }
            request.setAttribute("orderList", orderList);
            getServletConfig().getServletContext().getRequestDispatcher("/orderlist.jsp").forward(request, response);
        }
        catch(Exception ex){
            ex.printStackTrace();
        }
    }
}