Symfony 2文件上传。如何在move（）上抛出异常

Question

阅读symfony文档，http://symfony.com/doc/current/cookbook/doctrine/file_uploads.html

// you must throw an exception here if the file cannot be moved
// so that the entity is not persisted to the database
// which the UploadedFile move() method does automatically
$this->file->move($this->getUploadRootDir(), $this->path);

但如果我做了

if ($this->file->move(...)) 

我收到了错误

  

捕获致命错误：类别Symfony \ Component \ HttpFoundation \ File \ File的对象无法在... / xxx.php第96行中转换为布尔值

Answer 1

查看源代码：https://github.com/symfony/symfony/blob/master/src/Symfony/Component/HttpFoundation/File/File.php#L108

似乎已经抛出异常了。

干杯