6.3 make model, view, controller work together.

1. let's start to console without --sandbox param to create some record into our database:

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def show@user = User.find(params[:id])end

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we need to explain sth here,?

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params is a hash for controller to use:

params[:controller]?

params[:action]

params[:id]

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debug(params)

is a very useful method, ti will provide useful feedback, and it is very good habit to use it when you have some unexpected things happened.

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3. we still need route to make things work. we will follow REST architecture.

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resources :users

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then you will get this route: ? users/1

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4. it is a good timing to git commit your changes:

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git add .

git commit -m "finished first half of the user model"

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