如何拦截rails的模板渲染

发布于 2024-11-08 01:52:05 字数 414 浏览 1 评论 0原文

我有一个为多个网站提供服务的应用程序。与 Stack Exchange 类似，这几个站点的行为非常相似。

给定以下视图目录结构：

views/
  shared/users/index.html.erb
  app1/users/index.html.erb
  app2/users/

如何在Rails中重写默认模板渲染，以便

当调用App1的UsersController#index时，它渲染app1/users/index.html.erb，
当调用App2的UsersController#index时，它实现没有index.html.erb模板，因此在引发丢失模板错误之前检查shared/users/index.html.erb

提前致谢

原文

I have an application which serves more than one website.
Similar to Stack Exchange, these several sites behave very similarly to each other.

Given the following views directory structure:

views/
  shared/users/index.html.erb
  app1/users/index.html.erb
  app2/users/

How can I re-write the default template rendering in Rails so that

when App1's UsersController#index is called, it renders app1/users/index.html.erb
when App2's UsersController#index is called, it realises there is no index.html.erb template so for checks shared/users/index.html.erb before raising the missing template error

Thanks in advance

分享到QQ

分享到微博

如果你对这篇内容有疑问，欢迎到本站社区发帖提问参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。

发布评论

需要登录才能够评论，你可以免费注册一个本站的账号。

何时共饮酒 2024-11-15 01:52:05

我知道您已经接受了这个问题的答案，但我认为您不需要创建自己的模板解析器。

如果我正确理解你的问题，那么你正在尝试根据应用程序当前状态的某些方面来“主题化”你的观点。我之前使用这个花哨的小控制器方法做了同样的事情：

prepend_view_path "app/views/#{current_app_code}"

将其放入应用程序控制器中的 before_filter 中，所有控制器都会服从：

class ApplicationController < ActionController::Base
  before_filter :prepend_view_paths

  def prepend_view_paths
    prepend_view_path "app/views/#{current_app_code}"
  end

end

现在，rails 将首先查找“app/views/app1/users/index.html”。如果“app1”是当前应用程序，则在请求“/users”时显示“erb”。

如果在那里找不到它，它将回滚到“app/views/users/index.html.erb”的默认位置。

希望这能为您提供另一种选择。

I know you already accepted an answer for this, but I don't think you need to create your own template resolver.

If I understand your question correctly, you are trying to "theme" your views depending on some aspect of the current state of the app. I have done the same thing previously using this dandy little controller method:

prepend_view_path "app/views/#{current_app_code}"

Throw this in a before_filter in your application controller, and all your controllers will obey:

class ApplicationController < ActionController::Base
  before_filter :prepend_view_paths

  def prepend_view_paths
    prepend_view_path "app/views/#{current_app_code}"
  end

end

Now rails will first look for "app/views/app1/users/index.html.erb" when "/users" is requested if "app1" is the current app.

If it doesn't find it there, it rolls back to the default location at "app/views/users/index.html.erb".

Hope this gives you another alternative.

回复收藏 0 原文