public function __construct($cacher = null)
{
$this->config = getini('cache');
$this->prefix = $this->config['prefix'];
$cacher = $cacher ?: $this->config['cacher'];
if (in_array($cacher, array('file', 'memcache', 'redis', 'xcache'))) {
$class = '\\Rsf\\Cache\\' . ucfirst($cacher);
$this->cacher = $class::getInstance()->init(Context::dsn($cacher . '.cache'));
$this->enable = $this->cacher->enable;
$this->type = $cacher;
}
return $this;
}
/**
* @param string $dsnid
* @return null
* @throws Exception
*/
public static function dbm($dsnid = 'portal')
{
$_dsn = Context::dsn($dsnid);
$dsnkey = md5($_dsn['driver'] . '_' . $_dsn['dsn']);
//连接池key
if (isset(self::$used_dbo[$dsnkey])) {
$dbo = self::$used_dbo[$dsnkey];
$dbo->connect($_dsn);
} else {
$dbo = new Db\Pdox();
$dbo->connect($_dsn);
self::$used_dbo[$dsnkey] = $dbo;
}
return $dbo;
}
