Spring Batch有两种不同的下载方式(Spring Batch for two different downloads)

 入门的基本代码： 
 
# config/routes.rb

Rails.application.routes.draw do
  resources :posts
  resources :authors

  constraints(PostUrlConstrainer.new) do
    get "/:id", to: "posts#show"
  end
end

# app/constraints/post_url_constrainer.rb

class PostUrlConstrainer
  def matches?(request)
    title = request.path_parameters[:id]
    Post.find_by(title: title)
  end
end

# app/controllers/posts_controller.rb

def set_post
  @post = Post.find_by(title: params[:id])
end
 
 相关文章： Rails应用程序中每条路线的漂亮，简短的网址 - Arkency Blog 
 
 搜索rails url constraint似乎有所帮助。 

Basic code to get you started:
 
# config/routes.rb

Rails.application.routes.draw do
  resources :posts
  resources :authors

  constraints(PostUrlConstrainer.new) do
    get "/:id", to: "posts#show"
  end
end

# app/constraints/post_url_constrainer.rb

class PostUrlConstrainer
  def matches?(request)
    title = request.path_parameters[:id]
    Post.find_by(title: title)
  end
end

# app/controllers/posts_controller.rb

def set_post
  @post = Post.find_by(title: params[:id])
end
 
Related article: Pretty, short urls for every route in your Rails app - Arkency Blog
 
Searching for rails url constraint seems to help.