9dian房间guan理系统(9)

$sql="INSERT INTO `{$table}`({$fieldsStr}) VALUES({$values})";
return self::execute($sql);
}
4. 更新数据
/**
 * 更新记录
 * @param array $data
 * @param string $table
 * @param string $where
 * @param string $order

 * @param string $limit
 * @return Ambigous <boolean, unknown, number>
 */
public static function update($data,$table,$where=null,$order=null,$limit=0){
foreach($data as $key=>$val){
$sets.=$key."='".$val."',";