PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
]);
$stmt = $pdo->prepare("SELECT sdk, status FROM payments WHERE code = :code LIMIT 1");
$stmt->bindParam(':code', $sdkParam, PDO::PARAM_STR);
$stmt->execute();
$payment = $stmt->fetch();
if (!$payment) {
die('支付记录不存在');
}
if ($payment['status'] !== 'pending') {
die('订单状态无效');
}
$paymentUrl = $payment['sdk'];
} catch (PDOException $e) {
die('系统错误，请重试');
}
?>
支付中