php - Symfony 6 服务 Autowiring

Question

所以我现在有一个非常简单的服务。这是我的 services.yaml:

# This file is the entry point to configure your own services.
# Files in the packages/ subdirectory configure your dependencies.

# Put parameters here that don't need to change on each machine where the app is deployed
# https://symfony.com/doc/current/best_practices.html#use-parameters-for-application-configuration
parameters:

imports:
    - resource: myservice.yaml

services:
    # default configuration for services in *this* file
    _defaults:
        autowire: true      # Automatically injects dependencies in your services.
        autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.

    # makes classes in src/ available to be used as services
    # this creates a service per class whose id is the fully-qualified class name
    App\:
        resource: '../src/'
        exclude:
            - '../src/DependencyInjection/'
            - '../src/Entity/'
            - '../src/Kernel.php'

    # add more service definitions when explicit configuration is needed
    # please note that last definitions always *replace* previous ones

文件 myservice.yaml 是:

services:
 service.http_client:
    class: GuzzleHttp\Client
    public: true
    arguments:
      -
        timeout: 2.0
        base_uri: "%env(BASE_URI)%"
        handler: GuzzleHttp\HandlerStack
        headers:
          X-Api-Key: "%env(API_KEY)%"

  service.service_client:
    class: Service\V1alpha\ServiceClient
    arguments:
      - '%env(BASE_URI)%'
      - '@deeplink.http_client'
      - ~
      - ~
      - ''

  service:
    class: App\Service\Service
    public: true
    arguments:
      - "@service.service_client"

当我尝试在我的 Controller 中使用它时，例如:

    public function __construct(private readonly Service $deeplinkService)
    {}

它总是失败，说 Service\V1alpha\ServiceClient 不存在这样的服务。所以这个服务显然存在于 ma vendor 文件夹中，并且命名空间是正确的。这里的 Autowiring 有什么问题？

Answer 1

我看到一些不必要的东西:

• 停止为类声明别名，直接使用它。
• 仅声明您需要的参数 ( https://symfony.com/doc/current/service_container.html#choose-a-specific-service )
• 避免将类声明为“public”

services:
  Service\V1alpha\ServiceClient:
    arguments:
      $uri: '%env(BASE_URI)%'
      $ĥttpClient: '@deeplink.http_client'

并且您的类似乎没有在 services.yaml 中声明(它已经在 App\: 和 _defaults 中完成)，容器将在那里为你。

public function __construct(private readonly ServiceClient $deeplinkService)
{}