1 <?php2 $dsn="mysql:host=localhsot;dbname=lamp87";3 $user="root";4 $passwd="123";5 $m = new PDO($dsn,$user,$passwd);6 $stmt = $m->query("select * from stu");7 $rows = $stmt->fetchAll();8 var_dump($rows);9 ?>

1 <?php2 $dsn="pgsql:host=localhost;port=5432;dbname=lamp87;user=postgres;password=123456";3 $m = new PDO($dsn);4 $stmt = $m->query("select * from stu");5 $rows = $stmt->fetchAll();6 var_dump($rows);7 ?>