database - Symfony2，Doctrine，在没有 queryBuilder 的情况下更新数据库条目

Question

要将条目保存到数据库，我们可以使用:

$em->persist($entity);
$em->flush();

但是我们如何在不使用 $this->getEntityManager()->createQuery() 的情况下更新现有条目呢？

我们可以吗？

我正在搜索某种 $em->update() 以查找数据库中的现有条目。

Answer 1

简单的做法，Fusselchen说的对，举个例子吧

// get entity manager
$em = $this->getDoctrine()->getEntityManager();

// get from this entity manager our "entity" \ object in $item
// also we can get arrayCollection and then do all in foreach loop
$item = $em->getRepository('repoName')->findOneBy($filter);

// change "entity" / object values we want to edit
$item->setSome('someText')
//...

// call to flush that entity manager from which we create $item
$em->flush();
// after that in db column 'some' will have value 'someText'

// btw after call flush we can still use $item as 'selected object' in
// another $em calls and it will have actual (some = 'someText') values