/**
* 返回当前终级类对象的实例
*
* @return object
*/
public static function get_instance()
{
if (self::$push_factory == '') {
self::$push_factory = new PushFactory();
}
return self::$push_factory;
}
public function __construct()
{
parent::__construct();
$application = isset($_GET['application']) && !empty($_GET['application']) ? $_GET['application'] : 'admin';
if (in_array($application, array('admin', 'special', 'content'))) {
$this->push = PushFactory::get_instance()->get_api($application);
} else {
showmessage(L('not_exists_push'), 'blank');
}
}
