自定義的驗證不叫@service_container

Question

Symfony的版本：2.5

錯誤

"Catchable Fatal Error: Argument 1 passed to Intermedius\UserBundle\Validator\Constraints\RegisteredEmailValidator::__construct() must implement interface Symfony\Component\DependencyInjection\ContainerInterface, none given, called in D:\Projektek\pricing_tool\backend\vendor\symfony\symfony\src\Symfony\Bundle\FrameworkBundle\Validator\ConstraintValidatorFactory.php on line 71 and defined in D:\Projektek\pricing_tool\backend\src\Intermedius\UserBundle\Validator\Constraints\RegisteredEmailValidator.php line 22"

RegisteredEmail.php

class RegisteredEmail extends Constraint 
{ 
    public $message = "MSG"; 
} 

RegistereEmailValidator.php

class RegisteredEmailValidator extends ConstraintValidator{ 
    public $containerInterface; 

    function __construct(ContainerInterface $containerInterface) 
    { 
      $this->containerInterface = $containerInterface; 
    } 


    public function validate($value, Constraint $constraint) 
    { 

     if (!$constraint instanceof RegisteredEmail) { 
      throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\RegisteredEmail'); 
    } 

    } 



    public function validateBy() 
    { 
     return "registered_email"; 
    } 
} 

services.yml

services: 
    intermedius.user.validator.registered_email: 
    class: Intermedius\UserBundle\Validator\Constraints\RegisteredEmail 
    arguments: [ @service_container ] 
    tags: 
     - { name: validator.constraint_validator, alias: registered_email } 

Answer 1

班級的驗證服務定義應設置爲驗證類，而不是約束。

class: Intermedius\UserBundle\Validator\Constraints\RegisteredEmailValidator 

Answer 2

您不應該在服務中注入service_container。在你的例子中，你應該只注入你需要的服務。例如參見http://symfony.com/doc/current/components/dependency_injection.html的「避免您的代碼取決於容器」部分。