public static function start($sessionType, $config)
{
if (null !== self::$_sid) {
return;
}
//判断参数里是否有sessid
if (empty($config)) {
$config = ZConfig::get('session');
}
if (!empty($config['adapter'])) {
$sessionType = $config['adapter'];
}
self::$_config = $config;
self::$_sessionType = $sessionType;
$request = Request::getRequest();
$sessionName = empty($config['session_name']) ? 'ZPHPSESSID' : $config['session_name'];
$sid = null;
if (!empty($request->cookie[$sessionName])) {
$sid = $request->cookie[$sessionName];
}
if (!$sid && !empty($request->get[$sessionName])) {
$sid = $request->get[$sessionName];
}
if (!$sid && !empty($request->post[$sessionName])) {
$sid = $request->post[$sessionName];
}
if ($sid) {
$handler = Factory::getInstance($sessionType, $config);
$data = $handler->read($sid);
if (!empty($data)) {
$_SESSION = unserialize($data);
} else {
$_SESSION = array();
}
} else {
$sid = sha1($request->header['user-agent'] . $request->server['remote_addr'] . uniqid(Request::getSocket()->worker_pid . '_'));
$path = empty($config['path']) ? '/' : $config['path'];
$domain = empty($config['domain']) ? '' : $config['domain'];
$secure = empty($config['secure']) ? false : $config['secure'];
$httponly = !isset($config['httponly']) ? true : $config['httponly'];
$lifetime = 0;
if (!empty($config['cache_expire'])) {
$lifetime = time() + $config['cache_expire'] * 60;
}
Response::getResponse()->cookie($sessionName, $sid, $lifetime, $path, $domain, $secure, $httponly);
$_SESSION = array();
}
self::$_sid = $sid;
}
