模块化Sinatra-路由不起作用-结构化config.ru和多个控制器来处理路由

Question

我遵循Sinatra:：Base上本教程中的配方https://www.safaribooksonline.com/library/view/sinatra-up-and/9781449306847/ch04.html

我的路线无法正常工作，目前只有一条路线可以工作，那就是从ApplicationController < Sinatra::Base home.erb加载的get '/'。

我的第二个控制器（名为ExampleController < ApplicationController）中的路由不工作

config.ru（仅限相关代码）

# Load Controllers and models
Dir.glob('./{controllers,models}/*.rb').each { |file| require file }
map('/example') { run ExampleController }
map('/') { run ApplicationController }

application_controller.rb

class ApplicationController < Sinatra::Base
  # set folder for root
  set :root, File.expand_path("../app", Dir.pwd)
  # don't enable logging when running tests
  configure :production, :development do
    enable :logging
  end
  get '/' do
    title "Home.erb"
    erb :home
  end
  not_found do
    title 'Not Found!'
    erb :not_found
  end
end

example_controller.rb路由不会从当前加载

class ExampleController < ApplicationController
  get '/example' do
    title "Example Page"
    erb :example
  end
end

Answer 1

根据教程，您在config.ru文件和ExampleController的路由中都使用了路由/example。这可能意味着您的本地url可能会以"http://localhost:4567/example/example"。从外观上看，example_controller.rb文件应该是这样的，路径为"/"：

example_controller.rb

class ExampleController < ApplicationController
  get '/' do
    title "Example Page"
    erb :example
  end
end

看起来您还需要在config.ru文件中使用require 'sinatra/base'。

config.ru

# Load Controllers and models
require 'sinatra/base'
Dir.glob('./{helpers,controllers}/*.rb').each { |file| require file }
map('/example') { run ExampleController }
map('/') { run ApplicationController }

此外，您的application_controller.rb似乎缺少帮助程序，并且不包括集合视图。

application_controller.rb

class ApplicationController < Sinatra::Base
  helpers ApplicationHelper
  # set folder for templates to ../views, but make the path absolute
  set :views, File.expand_path('../../views', __FILE__)
  # don't enable logging when running tests
  configure :production, :development do
    enable :logging
  end
  get '/' do
    title "Home.erb"
    erb :home
  end
  # will be used to display 404 error pages
  not_found do
    title 'Not Found!'
    erb :not_found
  end
end