deleteorders.java

网络商店源代码用NetBeans6.1Beta开发

package servlet;

import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
import model.*;
import org.apache.commons.lang.StringEscapeUtils;

public class DeleteOrders extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            String tf = request.getParameter("tf");

            String raw_button = request.getParameter("raw_button");

            String tf_esc = StringEscapeUtils.escapeHtml(tf);

            String tf_ins;
       
            if (raw_button != null) {
               
                tf_ins = tf;

            } else {return;}


            ProductsBean pb = (ProductsBean) request.getSession().getAttribute("pb");
            if (pb == null) {
                pb = new ProductsBean();
                request.getSession().setAttribute("pb", pb);
            }
            OrdersBean ob = (OrdersBean) request.getSession().getAttribute("ob");
            if (ob == null) {
                ob = new OrdersBean();
                request.getSession().setAttribute("ob", ob);
            }
            int id = Integer.parseInt(tf_ins);

            if ((ob.find(id) != null)) {
                ob.delete(id);
                out.println("*** Delete an order<br />");
            } else {
                out.println("*** This order does not exit!<br />");
                }

        } catch (Exception x) {
            x.printStackTrace();
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     */
    public String getServletInfo() {
        return "Short description";
    }
    // </editor-fold>
}