登录验证新思路,演示登录代码.

$mstr, 'str'=>$str));
exit;
}


if(isset($_POST['id'])) {

$st = false;
$ua = get_u_i();
if($id && ($ua['id'] == $id) && (md5($ua['passwd'].$ua['str']) == $passwd)) {
$st=true;
}
if($st) { 
$ua['str'] = dechex(get_hstr());
set_u_i($ua); 
echo <<







胜利大联欢.


EOT;
}
else {

}
exit;
}

$ua = array('id'=>'test', 'passwd'=>md5('abc123'), 'str'=>'');
set_u_i($ua); 

function get_mstr() {
$t = explode(' ', microtime());
$time = $t[0] * 1000;
$time = intval($time);
//$time = dechex($time);
return $time;
}

function get_hstr() {
$h_max = H_MAX;
return mt_rand(0, $h_max);
}


function get_u_i() {
$file = 'test_login.txt';
$str = file_get_contents($file);
$str = trim($str);
@list($id, $passwd, $str) = explode("t", $str);
return array('id'=>$id, 'passwd'=>$passwd, 'str'=>$str);
}

function set_u_i($ua) {
$file = 'test_login.txt';
file_put_contents($file,implode("t", $ua));
}

?>












用户名:
 

密码: