/**
* 创建新的会话
* @param int $userId 用户ID
* @return string 会话token
*/
public static function generate($userId, $client = '')
{
if ($userId <= 0) {
return '';
}
$token = strtoupper(substr(sha1(uniqid(NULL, TRUE)) . sha1(uniqid(NULL, TRUE)), 0, 64));
$newSession = array();
$newSession['user_id'] = $userId;
$newSession['token'] = $token;
$newSession['client'] = $client;
$newSession['times'] = 1;
$newSession['login_time'] = $_SERVER['REQUEST_TIME'];
$newSession['expires_time'] = $_SERVER['REQUEST_TIME'] + self::getMaxExpireTime();
$sessionModel = new Model_User_UserSession();
$sessionModel->insert($newSession, $userId);
return $token;
}
