function update($data)
{
if (!isset($data['id']) || !$data['id']) {
return;
}
$str = array();
foreach ($data as $column => $val) {
$str[] = $column . " = '" . addslashes($val) . "'";
}
$str = implode(', ', $str);
$sql = "UPDATE {$this->_tablename} set {$str} WHERE id={$data['id']}";
parent::save($sql);
}
