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如何将Doctrine Entity Manager配置为公共Symfony服务?

[英]How to configure Doctrine Entity Manager as a public Symfony service?

我想将Doctrine Entity Manager配置为公共Symfony服务。

我尝试在services.yml添加以下配置块(一次一个):

Doctrine\ORM\EntityManagerInterface:                                                                                
    public: true            
# [OUTPUT] Error: Cannot instantiate interface Doctrine\ORM\EntityManagerInterface                                                                       

Doctrine\ORM\EntityManager:                                                                                         
    public: true                                                                                                    
# [OUTPUT] Invalid service "Doctrine\ORM\EntityManager": its constructor must be public.

doctrine.orm.default_entity_manager:                                                                                
    public: true  
# [OUTPUT] The definition for "doctrine.orm.default_entity_manager" has no class. If you intend to inject this service dynamically at runtime, please mark it as synthetic=true. If this is an abstract definition solely used by child definitions, please add abstract=true, otherwise specify a class to get rid of this error.

从输出错误消息判断,我怀疑定义是不完整的,但我没有找到正确的方法来手动配置Doctrine Entity Manager服务。

根据Cerad的评论,我不得不在我的第一次尝试配置中添加alias: 'doctrine.orm.default_entity_manager'

所以正确的解决方案是:

Doctrine\ORM\EntityManagerInterface:                                                                                
    public: true
    alias: 'doctrine.orm.default_entity_manager'

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