public function update($data = null)
{
if (is_null($data) || !is_array($data)) {
$data = $this->dumpChanged();
} else {
$param = self::getParams(get_called_class());
$this->updateData($data, $param);
$data = $this->dumpChanged();
}
// $filter = array();
// foreach($data as $k=>$v) {
// if(!isset($param[$k])) {
// alert("未知的欄位資訊:".$key);
// }
// $filter[$k] = $param[$k];
// }
// $changed = filter_var_array($changed, $filter);
// if(in_array(null, $changed, true)) {
// $key = array_search(null, $changed, true);
// alert("缺乏欄位資訊:".$key);
// }
$this->validate($data, true);
$this->sanitize($data);
DBC::query(DBC::wrapUpdateSQL($this->tablename, $data, $this->pk));
}
