我遇到了分页问题。除了需要续集和 sinatra 之外,我还有:
require 'will_paginate'
require 'sequel/extensions/pagination'
require 'will_paginate/collection'
require 'will_paginate/sequel'
require 'will_paginate/version'
查询是:
get '/candidate' do
@items = DB[:candidates].order(:created_at).paginate(params[:page], 10)
erb :candidate
end
在candidate.erb 上的错误信息是:
undefined method `-' for nil:NilClass
file: pagination.rb
location: paginate
line: 19
可能是什么问题呢?查询正常吗?感谢所有帮助。