自定义错误页面 - Ruby on Rails
我正在尝试在我的网站中设置自定义错误页面。我遵循PerfectLine 博客。
它适用于控制器存在但 id 不存在的情况。例如，我有一个博客控制器，但 id 4 不存在。它显示了自定义错误页面
，但在控制器本身不存在的情况下，它不存在。例如，如果我输入一些带有数字 id 的随机控制器，我在应用程序控制器中设置的重新路由自定义错误页面的方法不会捕获它。在这种情况下，我在终端中收到
ActionController::RoutingError (No Route matches "/randomcontrollername"):
以及 Rails 附带的默认错误页面。
application_controller.rb
class ApplicationController < ActionController::Base
protect_from_forgery
unless Rails.application.config.consider_all_requests_local
rescue_from Exception, :with => :render_error
rescue_from ActiveRecord::RecordNotFound, :with => :render_not_found
rescue_from ActionController::RoutingError, :with => :render_not_found
rescue_from ActionController::UnknownController, :with => :render_not_found
rescue_from ActionController::UnknownAction, :with => :render_not_found
end
private
def render_not_found(exception)
render :template => "/error/404.html.erb", :status => 404
end
def render_error(exception)
render :template => "/error/500.html.erb", :status => 500
end
end
你能帮我一下吗？谢谢。
I am trying to setup a custom error page in my website. I am following the guidelines atPerfectLine Blog.
It works in the case where the controller exists, but the id does not exist. For example, I have a blog controller and id 4 does not exist. It shows the custom error page
But it does not exist in the case, where controller itself does not exist. For example, if I type some random controller with a numeric id does not gets caught by the methods I have setup in the application controller to re-route the custom error pages. In this case, I get an
ActionController::RoutingError (No route matches "/randomcontrollername"):
in the terminal and the default error page that comes with rails.
application_controller.rb
class ApplicationController < ActionController::Base
protect_from_forgery
unless Rails.application.config.consider_all_requests_local
rescue_from Exception, :with => :render_error
rescue_from ActiveRecord::RecordNotFound, :with => :render_not_found
rescue_from ActionController::RoutingError, :with => :render_not_found
rescue_from ActionController::UnknownController, :with => :render_not_found
rescue_from ActionController::UnknownAction, :with => :render_not_found
end
private
def render_not_found(exception)
render :template => "/error/404.html.erb", :status => 404
end
def render_error(exception)
render :template => "/error/500.html.erb", :status => 500
end
end
Could you please help me. Thanks.
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您可以通过 Rails 中的路线通配符来做到这一点，它可以让您使用通配符将任何操作与路线的任何部分相匹配。
要捕获所有剩余路由，只需在 config/routes.rb 中定义一个低优先级路由映射作为最后一个路由：
在 Rails 3 中：
匹配“*路径”=> 'error#handle404'在 Rails 2 中：
map.connect "*path", :controller =>; '错误', :action => 'handle404'params[:path]将包含匹配的部分。You can do that with route globbing in rails, It lets you match any action to any part of a route using wildcards.
To catch all remaining routes, just define a low priority route mapping as the last route in
config/routes.rb:In Rails 3:
match "*path" => 'error#handle404'In Rails 2:
map.connect "*path", :controller => 'error', :action => 'handle404'params[:path]will contain the matching part.如果您不需要动态错误页面，只需编辑
public/404.html和public/505.html即可。如果您这样做，请参阅 Reza.mp 的回答。If you don't need dynamic error pages, just edit
public/404.htmlandpublic/505.html. If you do, see Reza.mp's answer.