rails 3使用will_paginate分页

ruby 1.9.2
rails 3.1.0
will_paginate 3.0.1

Gemfile里添加

gem 'will_paginate', '3.0.1'

改写controller，

@products = Product.paginate(:per_page => 2, :page => params[:page])

改写index.html.erb
加上

<%= will_paginate @products %>

ok