为 Rails 3 应用程序制作自定义插件/gem/引擎
我正在遵循指南 http://edgeguides.rubyonrails.org/plugins.html ，看起来有点过时了。您能看一下并告诉我哪些部分应该在 Rails 3 中以不同的方式完成吗？
EDIT1：也非常欢迎替代教程的链接！
I am following the guide http://edgeguides.rubyonrails.org/plugins.html and it seems to be slightly outdated. Could you have a look on it and tell me which sections should be done in a different way in Rails 3?
EDIT1: Links to alternative tutorials are also very welcome!
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我建议你看看这里：
https://github.com/krschacht/rails_3_engine_demo
或者更有名的:
https://github.com/josevalim/enginex
I recommend you have a look here:
https://github.com/krschacht/rails_3_engine_demo
Or the more famous:
https://github.com/josevalim/enginex
你是对的，该指南并不是最好的（最后一次更新日志条目是 2010 年 4 月）。
相反，我建议您阅读： https://github.com/雷达/guides/blob/master/gem-development.md
You're right, that guide isn't the best (the last changelog entry is April 2010).
Instead, I'd recommend you read: https://github.com/radar/guides/blob/master/gem-development.md
我遇到了这个问题，答案现在已经过时了。 Railsguide 目前是最新的：http://guides.rubyonrails.org/engines.html
enginexgem 已集成到 Rails 中，创建引擎现在非常简单：与
rails new命令非常相似，这将创建一个新文件夹，其中包含一个空白gem 供您填写。此 gem 自动成为一个引擎。有关更多选项（例如--mountable检查文档）。I bumped into this question, and the answers are now outdated. The railsguide is currently up to date: http://guides.rubyonrails.org/engines.html
The
enginexgem has been integrated into rails, and creating an engine is now as simple as:Much like the
rails newcommand, this will create a new folder, containing a blank gem for you to fill in. This gem is automatically anengine. For more options (e.g.--mountablecheck the documentation).