pdo_sqlsvr SQLSTATE [08001]：[Microsoft] [SQL Server的ODBC驱动程序11] TCP提供程序

Question

我正在尝试使用pdo sql_srv远程连接到mssql服务器，但我仍然通过fallwoing得到错误。 PDOException ：

  

SQLSTATE [08001]：[Microsoft] [SQL Server的ODBC驱动程序11] TCP   提供程序：尝试以禁止的方式访问套接字   它的访问权限。

我还启用了防火墙和服务器配置TCP端口。

  class Database {

            public $error;
            public $ok;
            public $dead;
            var $query_id; 
            var $LastPDOResult;
            var $La

stPDOResultCursor;
        var $SQLDebug;
        var $sql;
        // Constructor --> Connect
        function __construct($SQLHOST, $SQLPORT, $SQLDB, $SQLUSER, $SQLPWD) {
            try {

                if(PDODRIVER == 3) {
                    $this->db = new PDO("odbc:Driver={SQL Server};Server=".$SQLHOST.";Database=".$SQLDB."; Uid=".$SQLUSER.";Pwd=".$SQLPWD.";");
                } else {
                    if(PDODRIVER == 2) {
                        $pdo_connect = "sqlsrv:Server=".$SQLHOST.",".$SQLPORT.";Database=".$SQLDB."";
                    } else {
                        $pdo_connect = 'dblib:host='.$SQLHOST.':'.$SQLPORT.';dbname='.$SQLDB;
                    }
                    $this->db = new PDO($pdo_connect, $SQLUSER, $SQLPWD);
                }


            } catch (PDOException $e) {
                $this->dead = true;
                $this->error = "PDOException: ".$e->getMessage();

                if(config('ERROR_REPORTING',true)) {
                    die($this->error);
                } else {
                    //die('website offline');
                    die($this->error);
                }
            }

        }
    }

$dB = new Database(DBHOST, DBPORT, DBNAME, DBUSER, DBPASS);