use will_paginate for rails

It's pretty simple for paginate of rails when used gem will_paginate

1、instatl gem will_paginate
sudo gem install will_paginate

2、create a rails project
rails blog
cd blog
./script/server
in browser enter http://localhost:3000
OK......

3、use scaffold generate template
./script/generate scaffold post name:string
use gedit open app/PostController
add require 'will_paginate' before class name
change action index code
#@posts = Post.find(:all)
@posts = Post.paginate :page => params[:page], :per_page => 5

#/posts/index.html.erb
add <%= will_paginate @posts %>

4、in browser entry http://localhost:3000/posts, create two new post will show paginate

5、that's it, is pretty simple?