<?phptry {  $hostname='117.79.93.222';  $port=1433;//端口  $dbname="csdn";//庫(kù)名  $username="csdn_admin";//用戶(hù)  $pw="123456";//密碼  $dbh= new PDO("dblib:host=$hostname:$port;dbname=$dbname","$username","$pw");} catch (PDOException $e) {  echo"Failed to get DB handle: ".$e->getMessage() ."n";  exit;}echo'connent MSSQL succeed';$stmt=$dbh->prepare("SELECT * FROM CSDNUser");$stmt->execute();while ($row=$stmt->fetch()) {  print_r($row);}unset($dbh);unset($stmt);