新手教程在线编辑器

demo_db_select_orderby_pdo.php:

<!DOCTYPE html>
<html>
<body>

<?php
echo "<table style='border: solid 1px black;'>";
echo "<tr><th>Id</th><th>Firstname</th><th>Lastname</th></tr>";

class TableRows extends RecursiveIteratorIterator { 
  function __construct($it) { 
    parent::__construct($it, self::LEAVES_ONLY); 
  }

function current() {
    return "<td style='width: 150px; border: 1px solid black;'>" . parent::current(). "</td>";
  }

function beginChildren() { 
    echo "<tr>"; 
  }

function endChildren() { 
    echo "</tr>" . "\n";
  } 
}

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDBPDO";

try {
  $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
  $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
  $stmt = $conn->prepare("SELECT id, firstname, lastname FROM MyGuests ORDER BY lastname"); 
  $stmt->execute();

// set the resulting array to associative
  $result = $stmt->setFetchMode(PDO::FETCH_ASSOC);

foreach(new TableRows(new RecursiveArrayIterator($stmt->fetchAll())) as $k=>$v) { 
    echo $v;
  }
}
catch(PDOException $e) {
  echo "Error: " . $e->getMessage();
}
$conn = null;
echo "</table>";
?>

</body>
</html>

Id	Firstname	Lastname
1	John	Doe
3	Julie	Dooley
2	Mary	Moe