[Ruby on Rails] and I learned route map

The previous "[Ruby on Rails] and I learned hello World" mentioned that the route corresponding to the file is CONFIG/ROUTES.RB

In fact, we just added a line of code:

  Resources:p OSTs

However, this code has multiple default routes, which can be viewed through rake routes, as follows:

[Email protected]:/home/ywt/ror_tests/blog# rake routes   Prefix Verb   URI Pattern               controller#action    Posts get    /posts (.: format)          posts#index          POST   /posts (.: format)          posts#create new_post GET    / Posts/new (.: format)      posts#newedit_post get    /posts/:id/edit (.: format) Posts#edit     post get    / Posts/:id (.: format)      posts#show          PATCH  /posts/:id (.: format)      posts#update          PUT    / Posts/:id (.: format)      posts#update          delete/posts/:id (.: format)      Posts#destroy

which

Index corresponds to a list of multiple objects

New New page for a single object

Edit the editing page for a single object

Show a realistic page for a single object

And, Create/update/destroy is not a view (page) file, processing the actual data created, updated, delete operations.

So for a Post object, we have 7 action, four of which have a view file.

Modify the APP/CONTROLLERS/POSTS_CONTROLLER.RB as follows:

Class Postscontroller < Applicationcontroller  def index  end  def new  end  def create  end  def edit  end  def update  end  def show  end  def destroy  EndEnd

Added Files App/views/new.html.erb, App/views/edit.html.erb, App/views/show.html.erb, respectively, corresponding to the new action, edit action, show action.

This chapter lays the groundwork for subsequent work.

[Ruby on Rails] and I learned route map