loginservlet.java

this servlet for system login

package com.talent.system.login;

import java.io.*;
import java.util.*;
import java.sql.*;
import javax.rmi.*;
import javax.sql.*;
import javax.ejb.*;
import javax.naming.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.transaction.UserTransaction;
import weblogic.jndi.*;

/**
 * <p>Title: LoginServlet</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003-01-05</p>
 * <p>Company: www.chinatalent.com</p>
 * @author jingyucui
 * @version 1.0
 */

public class LoginServlet extends HttpServlet {
  static final private String CONTENT_TYPE = "text/html; charset=GBK";
  //Initialize global variables
  public void init() throws ServletException {
  }
  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    doPost(request,response);
  }
  //Process the HTTP Post request
  public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String      id        = null;
    String      password  = null;
    HttpSession session   = request.getSession(true);
    Hashtable   env       = new Hashtable();
    Context     context   = null;
    LoginHome   loginHome = null;
    Login       login     = null;
    ResultSet   resultSet;
    ServletContext servletContext = getServletContext();
    try{
      id = request.getParameter("operatorid");
      password = request.getParameter("password");
  System.out.println("Idqwerqwer======"+id);
  System.out.println("Password======"+password);
      context = new InitialContext(env);
  System.out.println("1111111111111111");
      Object obj = context.lookup("Login");
      loginHome = (LoginHome)PortableRemoteObject.narrow(obj,LoginHome.class);
  System.out.println("2222222222222222222");
      login = loginHome.create();
//检测该操作员斯否存在
      if (!login.checkLoginUser(id)){
  System.out.println("3333333333333");
        RequestDispatcher dispatcher = request.getRequestDispatcher("./jsp/error/error.jsp?key=0006");
        dispatcher.forward(request, response);
      }
//检测操作员密码是否正确
      if (!login.checkLoginPassword(id,password)){
  System.out.println("4444444444444");
        RequestDispatcher dispatcher = request.getRequestDispatcher("./jsp/error/error.jsp?key=0007");
        dispatcher.forward(request, response);
      }
//提取该操作员信息
  System.out.println("5555555555");
      resultSet = login.selectLoginUser(id);
System.out.println("UUUUUUUUUUUUUUUUUUUUU");
      session.setAttribute("LoginUser",resultSet);
System.out.println("PPPPPPPPPPPPPPPPPPPPP");
      RequestDispatcher dispatcher = request.getRequestDispatcher("./login.jsp");
System.out.println("AAAAAAAAAAAAAAAAAAaaaa");
      dispatcher.forward(request, response);
System.out.println("BBBBBBBBBBBBBBBBBBBBB");
    }catch(Exception e){
    }
  }
  //Clean up resources
  public void destroy() {
  }
}