如何获取应用程序配置密钥?

Ant*_*nAL 2 environment config ruby-on-rails-3

有没有办法获得在"config/environments/development"中设置的应用程序配置值?

MyApp::Application.configure do
  config.my_value = "Test"  
end
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可以从应用程序访问MyApp :: Application对象,但是,此代码不起作用:

MyApp::Application.config.my_value
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Mic*_*ant 10

Rails.application.config.my_value
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