pdo

$val = implode(',', array_fill(0, count([$a,$a,$a,$a]), '?'));
$keys = ['1','2','3','4'];
　　　/*
     * @return string $table 表名
     * @return array $keys 字段
     * @return array $value 数据
     * @return string $val 占位
　　　* 添加
     * */
    public function Insert($table = '',$keys = [],$values = [],$val = ''){

        try{

            if (empty($values) or $val == ''){

                return;
            }

            $sql = $this->pdo->prepare("insert into $table (".implode(',',$keys).") values $val");

            $this->pdo->beginTransaction();

            foreach($values as &$row) {

                $sql->execute($row);
            }

            $this->pdo->commit();
        }catch (Exception $e){

            //加入log
            file_put_contents('./swoole.log', '[' . date('Y-m-d H:i:s') . ']' . var_export($e->getMessage(),true) . PHP_EOL,FILE_APPEND);

            return false;
        }
    }