= if ($_SERVER['REQUEST_METHOD'] === 'POST') { $file = $_FILES['myfile']; $targetDir = __DIR__ . "/uploads/"; if (!is_dir($targetDir)) { mkdir($targetDir, 0777, true); } $targetFile = $targetDir . basename($file['name']); if (move_uploaded_file($file['tmp_name'], $targetFile)) { echo "檔案已上傳:" . htmlspecialchars($file['name']); } else { echo "上傳失敗!"; } exit; } ?>