Question

The situation will like this …. …. a user have many posts. But if I loop back all the posts, it will become very slow. So, I may look back the first ten (1-10). When the user click “next”, it will get the (11-20). So, my question is, how can I implement it?? thank you.

<%=h @user.posts.inspect  %> <!--It can  show all the posts, but I want first ten only-->

Answer 1

Most Rails developers use the will_paginate gem for this and with good reason because it’s really very easy to use:

# In your controller
@posts = @user.posts.paginate, :page => params[:page]

# In your view template
<%= will_paginate @posts %>