Rails Excel strategy with RubyXL gem

Use this gem with RailsExcel gem

In your Gemfile

gem 'rails-excel'
gem 'rails-excel-rubyXL-strategy'

In your config/initializers/rails-excel.rb

RailsExcel.configure do |config|
  config.strategy = :rubyXL
end

See RailsExcel gem for more information