为我的Rails应用程序创建自定义配置选项的最佳方式？(Best way to create custom config options for my Rails app?)

为我的Rails应用程序创建自定义配置选项的最佳方式？(Best way to create custom config options for my Rails app?)

我需要为我的Rails应用程序创建一个配置选项。 所有环境都可以相同。 我发现如果我将它设置在environment.rb ，它可以在我的视图中，这正是我想要的...

environment.rb AUDIOCAST_URI_FORMAT = http://blablalba/blabbitybla/yadda

工作很棒

但是，我有点不安。 这是一个好办法吗？ 有没有办法更臀部？

I need to create one config option for my Rails application. It can be the same for all environments. I found that if I set it in environment.rb, it's available in my views, which is exactly what I want...

environment.rb AUDIOCAST_URI_FORMAT = http://blablalba/blabbitybla/yadda

Works great.

However, I'm a little uneasy. Is this a good way to do it? Is there a way that's more hip?

最满意答案

对于不需要存储在数据库表中的一般应用程序配置，我喜欢在config目录中创建一个config.yml文件。 例如，它可能如下所示：

defaults: &defaults audiocast_uri_format: http://blablalba/blabbitybla/yadda development: <<: *defaults test: <<: *defaults production: <<: *defaults

该配置文件从config / initializers中的自定义初始化程序加载：

# Rails 2 APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[RAILS_ENV] # Rails 3+ APP_CONFIG = YAML.load_file(Rails.root.join('config/config.yml'))[Rails.env]

如果您使用的是Rails 3，请确保不会在您的相对配置路径中不小心添加主要斜杠。

然后可以使用以下命令检索该值：

uri_format = APP_CONFIG['audiocast_uri_format']

有关详细信息，请参阅Railscast 。

For general application configuration that doesn't need to be stored in a database table, I like to create a config.yml file within the config directory. For your example, it might look like this:

defaults: &defaults audiocast_uri_format: http://blablalba/blabbitybla/yadda development: <<: *defaults test: <<: *defaults production: <<: *defaults

This configuration file gets loaded from a custom initializer in config/initializers:

# Rails 2 APP_CONFIG = YAML.load_file("#{RAILS_ROOT}/config/config.yml")[RAILS_ENV] # Rails 3+ APP_CONFIG = YAML.load_file(Rails.root.join('config/config.yml'))[Rails.env]

If you're using Rails 3, ensure you don't accidentally add a leading slash to your relative config path.

You can then retrieve the value using:

uri_format = APP_CONFIG['audiocast_uri_format']

See this Railscast for full details.