这篇文章主要为大家详细介绍了php 登陆验证类功能实例,具有一定的参考价值,可以用来参考一下。
php封装的用户登陆验证的类,实现了用户登陆的常用功能,包含cookie和session的设置,php用于登陆验证的类,感兴趣的小伙伴,下面一起跟随四海网的小编罗X来看看吧。
/**
* 用户登陆验证的类
*
* @param
* @arrange (512.笔记) www.q1010.com
**/
class Auth
{
var $user_id;
var $username;
var $password;
var $ok;
var $salt = "34asdf34";
var $domain = ".domain.com";
function Auth()
{
global $db;
$this->user_id = 0;
$this->username = "Guest";
$this->ok = false;
if(!$this->check_session()) $this->check_cookie();
return $this->ok;
}
function check_session()
{
if(!empty($_SESSION['auth_username']) && !empty($_SESSION['auth_password']))
return $this->check($_SESSION['auth_username'], $_SESSION['auth_password']);
else
return false;
}
function check_cookie()
{
if(!empty($_COOKIE['auth_username']) && !empty($_COOKIE['auth_password']))
return $this->check($_COOKIE['auth_username'], $_COOKIE['auth_password']);
else
return false;
}
function login($username, $password)
{
global $db;
$db->query("SELECT user_id FROM users WHERE username = '$username' AND password = '$password'");
if(mysql_num_rows($db->result) == 1)
{
$this->user_id = mysql_result($db->result, 0, 0);
$this->username = $username;
$this->ok = true;
$_SESSION['auth_username'] = $username;
$_SESSION['auth_password'] = md5($password . $this->salt);
setcookie("auth_username", $username, time()+60*60*24*30, "/", $this->domain);
setcookie("auth_password", md5($password . $this->salt), time()+60*60*24*30, "/", $this->domain);
return true;
}
return false;
}
function check($username, $password)
{
global $db;
$db->query("SELECT user_id, password FROM users WHERE username = '$username'");
if(mysql_num_rows($db->result) == 1)
{
$db_password = mysql_result($db->result, 0, 1);
if(md5($db_password . $this->salt) == $password)
{
$this->user_id = mysql_result($db->result, 0, 0);
$this->username = $username;
$this->ok = true;
return true;
}
}
return false;
}
function logout()
{
$this->user_id = 0;
$this->username = "Guest";
$this->ok = false;
$_SESSION['auth_username'] = "";
$_SESSION['auth_password'] = "";
setcookie("auth_username", "", time() - 3600, "/", $this->domain);
setcookie("auth_password", "", time() - 3600, "/", $this->domain);
}
}
/*** 来自四海网(www.q1010.com) ***/
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关键词:登陆验证
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