我有這個錯誤:
我不明白,我明白錯誤,但我不知道為什麼會發生。
這是我的addcontroller.php檔案:
初始載入工作,但提交表單會生成上述錯誤。但我不知道為什麼。即使我這樣重新排序行:
$tag = new tag();
$tag->setguruid(null);
我的標記實體:
class tag
* @orm\id()
* @orm\generatedvalue()
* @orm\column(type="integer")
private $id;
* @orm\column(type="string", length=125)
private $name;
* @orm\column(type="string", length=255, nullable=true)
private $description;
* @orm\column(type="boolean")
* @orm\column(type="datetime")
private $created_ts;
* @orm\column(type="datetime", nullable=true)
private $last_edit_ts;
* @orm\column(type="integer", nullable=true)
private $guru_id;
public function getid()
return $this->id;
public function getname(): ?string
return $this->name;
public function setname(string $name): self
$this->name = $name;
return $this;
public function getdescription(): ?string
return $this->description;
public function setdescription(?string $description): self
$this->description = $description;
return $this;
return $this;
public function getcreatedts(): ?\datetimeinte***ce
return $this->created_ts;
public function setcreatedts(\datetimeinte***ce $created_ts): self
$this->created_ts = $created_ts;
return $this;
public function getlasteditts(): ?\datetimeinte***ce
return $this->last_edit_ts;
public function setlasteditts(\datetimeinte***ce $last_edit_ts): self
$this->last_edit_ts = $last_edit_ts;
return $this;
public function getguruid(): ?int
return $this->guru_id;
public function setguruid(?int $guru_id): self
$this->guru_id = $guru_id;
return $this;
我的addtype
use symfony\bridge\doctrine\form\type\entitytype;
use symfony\component\form\abstracttype;
use symfony\component\form\extension\core\type\textareatype;
use symfony\component\form\extension\core\type\texttype;
use symfony\component\form\formbuilderinte***ce;
use symfony\component\optionsresolver\optionsresolver;
class addtype extends abstracttype
public function buildform(formbuilderinte***ce $builder, array $options)
$builder->add('name', texttype::class)
->add('description', textareatype::class)
->add('guru_id', entitytype::class, array(
'class' => user::class,
'choice_label' => 'username'
public function configureoptions(optionsresolver $resolver)
$resolver->setdefaults(array(
'data_class' => tag::class
它仍然會給出相同的錯誤,所以我真的不確定它是如何生成的…如何將整數(從entitytype下拉列表中獲取)持久化到資料庫?
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