get $tempstore inside a twig file drupal 8

问题

i'm creating a module my_module, I want to tempstore a variable and get it inside a twig file. here my controller:

$tempstore = \Drupal::service('user.private_tempstore')->get('mymodule');
            $tempstore->set('response', $response);

twig:

{{ ?? like response }}

回答1:

First register your theme in module file

function hook_theme($existing, $type, $theme, $path) {
  return [
    'my_template' => [
      'variables' => ['test_var' => NULL],
    ],
  ];
}

Second call this theme from controller and pass the variable

$tempstore = \Drupal::service('user.private_tempstore')->get('mymodule');
            $tempstore->set('response', $response);
return [
      '#theme' => 'my_template',
      '#test_var' => $tempstore,
    ];

Third render test_var in twig

<p>test_var: {{ test_var }}</p>

来源：https://stackoverflow.com/questions/57040567/get-tempstore-inside-a-twig-file-drupal-8