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我有一个mysql数据库博客,里面有21篇文章。我设置$maxPerPage="3";所以我得到了7页,但从第4页我得到了以下错误:

OutOfRangeCurrentPageException:页面"4"不存在。当前页面必须低于"3"

这是我的代码:

  public function indexAction($page)

$maxPerPage = '3';
$currentPage = $page;
$entityManager = $this->getDoctrine()->getManager();
$queryBuilder = $entityManager->createQueryBuilder()
->select(array('u')) // string 'u' is converted to array internally
->from('AppBundle:Blog', 'u');
$adapter = new DoctrineORMAdapter($queryBuilder);
$pagerfanta = new Pagerfanta($adapter);
if (!$page) $currentPage = '1';
try  {
    $pagerfanta->setCurrentPage($currentPage);
}
catch(NotValidCurrentPageException $e) {
  throw new NotFoundHttpException('Illegal page');
}
$pagerfanta->setMaxPerPage($maxPerPage); // 10 by default



//$textblog = $this->getDoctrine()
  //->getRepository('AppBundle:Blog')
  //->find($page);

return $this->render('textblog/blog.html.twig',array('pagerfanta' => $pagerfanta));

}

有人能帮忙吗?

愚蠢的我…

$pagerfanta->setMaxPerPage($maxPerPage);

此代码应在"if"之前

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