public static function getInstance()
{
if (null === self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* @deprecated 0.3.0
* @return Core_Lib_Conn
* @throws Exception
*/
protected static function getConn()
{
static $conn;
if (null === $conn) {
$conf = Core_Lib_App::app()->getConfig()->get('modelServers.' . get_called_class());
if ($conf['sid'] > 0) {
$ipport = Core_Helper_L5::getInstance()->route($conf['sid']);
if (!empty($ipport) && $ipport[1] != '0') {
$conf['host'] = $ipport[0];
$conf['port'] = $ipport[1];
}
}
$conn = new Core_Lib_MysqliConn($conf['host'], $conf['user'], $conf['psw'], $conf['dbname'], $conf['port'], null, $conf['tbname']);
if ($conn->connect_errno != 0) {
throw new Exception('model server connect error: ' . $conn->connect_error);
}
if (isset($conf['charset'])) {
$conn->set_charset($conf['charset']);
}
}
return $conn;
}
