基本 Rails 404 错误页面 [英] Basic Rails 404 Error Page

问题描述

很长一段时间以来，我一直在寻找一个简单的答案，这似乎必须非常明显和简单，因为没有人有一个简单、愚蠢的证明教程.

I have been looking for a simple answer to this for a ridiculously long time and it seems like this has to be so plainly obvious and simple because no one has an easy, idiot proof tutorial.

无论如何，我想要做的就是拥有一个 404.html 静态页面，只要抛出任何错误，就会加载该页面.理想情况下，这应该只发生在生产和暂存阶段.

Anyway, all I want to do is to have a single 404.html static page that loads whenever ANY error is thrown. Ideally this should only happen in production and staging.

我觉得这应该是最简单的事情……但我想不通.

I feel like this should be the easiest thing to do... but I can't figure it out.

非常感谢任何帮助.

推荐答案

在你的 ApplicationController

unless  ActionController::Base.consider_all_requests_local
  rescue_from Exception, :with => :render_404
end

private

  def render_404
    render :template => 'error_pages/404', :layout => false, :status => :not_found
  end

现在设置 error_pages/404.html 就可以了

...或者我对 Exception 过于谨慎，你应该从 RuntimeError 中拯救出来.

...or maybe I'm overcautious with Exception and you should rescue from RuntimeError instead.

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