[Ruby on Rails] How to use kaminari

What is kaminari?

It is one of the ruby ​​gems and is for making page nations.

installation of kaminari

Add the following to Gemfile.

gem 'kaminari'

Install in the terminal.

$ bundle install

Added pagenation code to controller

class PostsController < ApplicationController

def index
  @posts = Post.all
  @posts = Post.page(params[:page]).per(15)


Set how many to display per page in the part of page (params [: page]). per (15). Pagination is displayed when the number displayed is greater than the set number.

Add pagination code to view file

Add it where you want the pagenation to appear in the view.

    <%= paginate @posts %>

Japaneseize kaminari

The default display of kaminari is English. For Japanese localization, it is easier to manage by creating a file called kaminari_ja.yml in config/locales. Add the following to kaminari_ja.yml.

      first: "&laquo;the first"
      last: "last&raquo;"
      previous: "&lsaquo;Before"
      next: "Next&rsaquo;"
      truncate: "..."
          zero: ""
          one: "<strong>1-1</strong>/1 case"
          other: "<strong>1-%{count}</strong>/%{count}In case"
        display_entries: "<strong>%{first}-%{last}</strong>/%{total}In case"

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