loginservlet.java

来自「This is a project used to find a correso」· Java 代码 · 共 72 行

/*
 * LoginServlet.java
 * 
 * Created on Jan 26, 2008, 6:20:53 PM
 * 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.horizongroup.mcompanion.web.server;

import com.horizongroup.mcompanion.web.db.DBManager;
import java.io.*;
import java.net.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
 *
 * @author Administrator
 */
public class LoginServlet 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");
        PrintWriter out = response.getWriter();
        String userId = request.getParameter("username");
        String password = request.getParameter("password");
        DBManager manager = new DBManager();
        if(manager.checkUser(userId, password)){
            out.println("Welcome "+manager.findUserName(userId));
        }else{
            out.println("Invalid User");
        }        
    } 
    // <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>
}