login.java

一个视频网站的源码

package com.puckasoft.video312.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.puckasoft.video312.dao.UserDao;
import com.puckasoft.video312.po.User;

public class Login extends HttpServlet {

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String uname = request.getParameter("uname").trim();
		String pwd = request.getParameter("pwd").trim();
		String freeLogin = request.getParameter("freeLogin");
		User user = UserDao.login(uname,pwd);
		
		if(user==null){
			request.setAttribute("loginError", "用户名或密码错误！！");
			request.getRequestDispatcher("login.jsp").forward(request, response);
			return;
		}else{
			if(freeLogin!=null){
				Cookie c1 =new Cookie("uname",uname);
				Cookie c2 =new Cookie("pwd",pwd);
				
				if("1".equals(freeLogin)){ 
					c1.setMaxAge(3600*24);
					c2.setMaxAge(3600*24);
				}else if("2".equals(freeLogin)){
					c1.setMaxAge(3600*24*30);
					c2.setMaxAge(3600*24*30);
				}
				response.addCookie(c1);
				response.addCookie(c2);
			}
			
			
			request.getSession().setAttribute("user", user);
			request.getRequestDispatcher("model.jsp").forward(request, response);
			return;
		}
		
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
		doPost(request,response);
	}	
	
}