问删除数据库中的图像删除symfony2

EN

 /**
 * @ORM\PostRemove
 */
public function removeUpload()
{
    if(file_exists($file)) {
        if ($file = $this->getAbsolutePath()) {
            unlink($file);
        }
    }    
}

 /**
 * @ORM\PostRemove
 */
public function removeUpload() {
     // ** Original Code used file but logo has the name in it.

     if(file_exists($this->getAbsolutePath())) {
         if ($this->getUploadRootDir() . $this->logo = $this->getAbsolutePath()) {
            unlink($this->logo);
        }
    } 
}

$path = ....//query db to get the path to the file
if($path){
    unlink($path);
}

//now you can delete the record in the database

/**
 * @ORM\PreRemove
 */
public function deleteImage()
{
    // unlink your image and what not.
}