loginservlet.java

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/*
 * 创建日期 2006-6-11
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package net.icefish.servlet;

import net.icefish.bean.*;
import java.net.*;
import java.io.IOException;
import java.io.PrintWriter; 
import javax.servlet.*;
import javax.servlet.http.*;

/**
 * @author LittleChild
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class LoginServlet extends HttpServlet {

	public void init(ServletConfig config) throws ServletException {
		super.init(config);
		//TODO Method stub generated by Lomboz
	}

	public void destroy() {
		super.destroy();
		//TODO Method stub generated by Lomboz
	}

	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		doPost(request, response);
	}

	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		
		response.setContentType("text/html;charset=GB2312");
		request.setCharacterEncoding("GB2312");
		PrintWriter out=response.getWriter();
		HttpSession session=request.getSession(true);
		
		String save_login=request.getParameter("save_login");
		String user_name=request.getParameter("user_name");
		String user_password=request.getParameter("user_password");
		
		//用户登陆验证
		UserDataBean udb=new UserDataBean();
		UserBean userBean=new UserBean();
		userBean.setUser_Name(user_name);
		userBean.setUser_Password(user_password);
		boolean result=udb.loginUser(userBean);
		if(result){		
			//处理cookie
			String str_user_name = URLEncoder.encode(user_name);
			Cookie user_name_cookie = new Cookie("icefish_user_name", str_user_name);
			Cookie user_password_cookie = new Cookie("icefish_user_password", user_password);
	        if(save_login==null){
	        }
			else if(save_login.equals("no_time")){
				user_name_cookie.setMaxAge(0);
				user_password_cookie.setMaxAge(0);
				response.addCookie(user_name_cookie);
				response.addCookie(user_password_cookie);		
			}
			else if(save_login.equals("one_day")){
				int oneday=60*60*24;
				user_name_cookie.setMaxAge(oneday);
				user_password_cookie.setMaxAge(oneday);
				response.addCookie(user_name_cookie);
				response.addCookie(user_password_cookie);			
			}
			else if(save_login.equals("one_month")){
				int onemonth=60*60*24*31;
				user_name_cookie.setMaxAge(onemonth);
				user_password_cookie.setMaxAge(onemonth);
				response.addCookie(user_name_cookie);
				response.addCookie(user_password_cookie);
			}
			else if(save_login.equals("one_year")){
				int oneyear=60*60*24*365;
				user_name_cookie.setMaxAge(oneyear);
				user_password_cookie.setMaxAge(oneyear);
				response.addCookie(user_name_cookie);
				response.addCookie(user_password_cookie);			
			}
	        RequestDispatcher rd = request.getRequestDispatcher("index.jsp?login=pass&user_name="+user_name+"&user_password="+user_password);
	        rd.forward(request, response); 	
	        
		}else{
			out.println("<script>alert('登录失败，用户名或密码错误!!!');this.location.href='index.jsp';</script>");
		}
	}
}