public static function driver($driver = null, $default = 0)
{
if ($default) {
if (is_null($driver)) {
return self::$default_dirver;
} else {
if (is_object(self::$default_driver)) {
return self::$default_driver;
}
//默认的数据库只设置一次
self::$default_driver = dbfactory::driver($driver);
self::$current_driver = self::$default_driver;
return self::$default_driver;
}
} else {
return is_null($driver) ? self::$current_driver : (self::$current_driver = dbfactory::driver($driver));
}
}
public static function __callstatic($name, $params)
{
self::$default_driver = dbfactory::driver('pdo');
return call_user_func_array(array(self::$default_driver, $name), $params);
}
public static function selectdb($name)
{
return dbfactory::create($name, self::$cfg[$name]);
}