PHP sqlsrv_connect 错误

Question

我正在尝试使用 PHP 连接到 MS SQL Server，但失败了。我正在运行 PHP7.2，并且我已经安装了 Microsoft Drivers 5.2 for PHP for SQL Server 和 Microsoft ODBC Driver 17 for SQL Server。

这是我正在使用的代码...

$serverName = "severname\MSSQLSERVER";

$conn_array = array (
    "UID" => "username",
    "PWD" => "password",
    "Database" => "databasename",
);
$conn = sqlsrv_connect($serverName, $conn_array);
if ($conn){
    echo "connected";
}else{
    die(print_r(sqlsrv_errors(), true));
}

这是我收到的错误消息...

> Array ( 
>         [0] => Array ( 
>             [0] => 08001 
>             [SQLSTATE] => 08001 
>             [1] => 87 
>             [code] => 87 
>             [2] => [Microsoft][ODBC Driver 17 for SQL Server]SQL Server Network Interfaces: Connection string is not valid [87].    
>             [message] => [Microsoft][ODBC Driver 17 for SQL Server]SQL Server Network Interfaces: Connection string is not valid [87]. 
>         ) [1] => Array ( 
>             [0] => HYT00 [SQLSTATE] => HYT00 
>             [1] => 0 [code] => 0 
>             [2] => [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired 
>             [message] => [Microsoft][ODBC Driver 17 for SQL Server]Login timeout expired 
>         ) [2] => Array ( 
>             [0] => 08001 
>             [SQLSTATE] => 08001 
>             [1] => 87 [code] => 87 
>             [2] => [Microsoft][ODBC Driver 17 for SQL Server]A network-related or instance-specific error has occurred while
> establishing a connection to SQL Server. Server is not found or not
> accessible. Check if instance name is correct and if SQL Server is
> configured to allow remote connections. For more information see SQL
> Server Books Online. [message] => [Microsoft][ODBC Driver 17 for SQL
> Server]A network-related or instance-specific error has occurred while
> establishing a connection to SQL Server. Server is not found or not
> accessible. Check if instance name is correct and if SQL Server is
> configured to allow remote connections. For more information see SQL
> Server Books Online.
>         )
>     )

更新： 删除实例名称后出现此错误... SQLSTATE[28000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]用户 'USERNAME 登录失败'。

Answer 1

正如@ficuscr 所暗示的，您的问题很可能是实例名称。 MSSQLSERVER 是 default 实例的实例名称，您不使用 server\instance 格式引用它。您只需使用server。您只需对命名实例使用server\instance 格式。

假设是这种情况，您的第一行应该是

$serverName = "severname";