public function all($param = true){
        $this->isAr = true;
        if($this->isPretreatment){
            self::$Pre = $this->bindSql();
            if(!$param) return self::$Pre->queryString;
            return $this->dbh->pall(self::$Pre);
        }
        $bind = $this->bindSql();
        if(!$param) return $this->PrintSQL();
        $this->initialize();
        return  $bind->all();
    }