logincontrolpro.java

简单的图书馆管理系统

/***********************************************************************
*                          图书管理系统
* Team : ？？？
* Author：金日新                                                          
* StartTime：2006/12/26                                                   
* VersionNumber：1.1                                                            
* ProgrammeLanguage：java 															  
* Remark:登陆转发
*************************************************************************/
package com.controller;
import java.io.IOException;
import java.util.ArrayList;


import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.common.DBaccess.LoginProcess;

/**
 * @version 	1.0
 * @author
 */
public class LoginControlPro extends HttpServlet implements Servlet
{
	/**
	* @see javax.servlet.http.HttpServlet#void (javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	*/
	public void doGet(HttpServletRequest req, HttpServletResponse resp)
		throws ServletException, IOException
	{
		doPost(req,resp);
	}
	/**
	* @see javax.servlet.http.HttpServlet#void (javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	*/
	public void doPost(HttpServletRequest req, HttpServletResponse resp)
		throws ServletException, IOException
	{
		req.setCharacterEncoding("gb2312");
		HttpSession session=req.getSession();
		if(req.getParameter("name").equals("login"))
		{
			String bookNumber=req.getParameter("bookNumber");
			String userName=req.getParameter("userName");
			String userPassword=req.getParameter("userPassword");
			LoginProcess lp=new LoginProcess();
			int i=lp.Login(bookNumber,userName,userPassword);
			log("i:"+i);
			if(i>0)
			{
				ArrayList al=new ArrayList();
				al.add(bookNumber);
				al.add(userName);
				session.setAttribute("userInfo",al);
				
				req.setAttribute("title","图书查询");
				req.setAttribute("URL","/view/QeuryBook.jsp");
				
				RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/index.jsp");
				dis.forward(req,resp);
			}
			else
			{
				req.setAttribute("error","用户名或密码错误，请重新输入！！");
				RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/Login.jsp");
				dis.forward(req,resp);
			}
		}
		if(req.getParameter("name").equals("jinru"))
		{
			ArrayList al=new ArrayList();
			al.add("s0101010101s");
			al.add("游客");
			session.setAttribute("userInfo",al);
			req.setAttribute("title","图书查询");
			req.setAttribute("URL","/view/QeuryBook.jsp");
			RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/index.jsp");
			dis.forward(req,resp);
		}
		if(req.getParameter("name").equals("adminLogin"))
		{
			LoginProcess lp=new LoginProcess();
			String userName=req.getParameter("userName");
			String userPassword=req.getParameter("userPassword");
			int i=lp.AdminLogin(userName,userPassword);
			if(i>0)
			{
				ArrayList al=new ArrayList();
				al.add(userName);
				session.setAttribute("adminInfo",al);
				
				req.setAttribute("title","书籍借阅");
				req.setAttribute("URL","/admin/view/borrowInspect.jsp");
				
				RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/admin/index.jsp");
				dis.forward(req,resp);
			}
			else
			{
				req.setAttribute("error","用户名或密码错误，请重新输入！！");
				RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/admin/Login.jsp");
				dis.forward(req,resp);
			}
		}
		if(req.getParameter("name").equals("chaxun"))
		{
			System.out.println("sdfdsfdsfdsf");
			req.setAttribute("title","图书查询");
			req.setAttribute("URL","/view/QeuryBook.jsp");
			RequestDispatcher dis=this.getServletContext().getRequestDispatcher("/index.jsp");
			dis.forward(req,resp);
		}
	}
}