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| -rw-r--r-- | guides/source/getting_started.md | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/guides/source/getting_started.md b/guides/source/getting_started.md index c84c971f47..a191820d1c 100644 --- a/guides/source/getting_started.md +++ b/guides/source/getting_started.md @@ -573,18 +573,7 @@ whether the model was saved or not. If you submit the form again now, Rails will complain about not finding the `show` action. That's not very useful though, so let's add the -`show` action before proceeding. -Open the file `config/routes.rb` and add this line. - -```ruby -resources :posts -``` - -If you run `rake routes` in your terminal, several lines will be shown regarding posts, including this: - -``` -post GET /posts/:id(.:format) posts#show -``` +`show` action before proceeding. The show action is matched by this route in the `rake routes` output: The special syntax `:id` tells rails that this route expects an `:id` parameter, which in our case will be the id of the post. @@ -599,8 +588,9 @@ end ``` A couple of things to note. We use `Post.find` to find the post we're -interested in. We also use an instance variable (prefixed by `@`) to -hold a reference to the post object. We do this because Rails will pass all instance +interested in, passing in `params[:id]` to get the `:id` parameter from the +request. We also use an instance variable (prefixed by `@`) to hold a +reference to the post object. We do this because Rails will pass all instance variables to the view. Now, create a new file `app/views/posts/show.html.erb` with the following |