fooddeleteaction.java

一个jsp的课程设计：电子商务网站

/*
 * foodDeleteAction.java
 *
 * Created on 2007骞?1鏈?4鏃? 涓嬪崍9:13
 */

package shopManage;

import java.io.*;
import java.net.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
import dbpack.dbConnect;
/**
 *
 * @author liehuo
 * @version
 */
public class FoodDeleteAction extends HttpServlet {
    
    /** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     */
    protected void processRequest (HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType ("text/html;charset=UTF-8");
        request.setCharacterEncoding("UTF-8");
        PrintWriter out = response.getWriter ();
        int foodid = Integer.parseInt (request.getParameter ("foodid"));
        dbConnect con = new dbConnect();
        try{
            String sqlString = "delete from food where foodid = "+foodid+"";
            int i = con.sat.executeUpdate (sqlString);
            if(i!=0){
                response.sendRedirect ("/cuiter/ManageFoodAction?jumpPage=1");
            }else{
                response.sendRedirect ("");
            }
            con.doClose ();
        }catch(Exception ex){
            ex.printStackTrace();
        }
         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>
}