请问怎么通过代码创建节点？

$node = \Drupal::entityTypeManager()->getStorage('node')->create([
  'type' => 'content_type',
  'title' => '标题',
  'uid' => '1',
  'status' => 1,
  'field_field1' => [],
  'field_field2' => [],
]);

$node->save();