Question

我有这个数组，我的数组中还有很多数据，这个数组只是帮助解决我的问题的一个示例

"[#<PrecintEvent id: 1, name: \"Expo Forum\", address: \"Agustín de Vildósola 251, Villa del Seri, 83280 He...\", phone_number: \"01 652 254 6300\", web_site: \"http://expusforum.com.mx/\", latitude: 29.0468, longitude: -110.961, created_at: \"2019-06-05 19:47:24\", updated_at: \"2019-06-05 19:47:24\">, #<LocationEvent id: 11, name: \"efwfwf\", latitude: nil, longitude: nil, created_at: \"2019-06-06 01:14:44\", updated_at: \"2019-06-06 01:14:44\", address: nil, phone_number: nil, web_site: nil>, #<LocationEvent id: 13, name: \"ewfwf\", latitude: nil, longitude: nil, created_at: \"2019-06-06 01:15:23\", updated_at: \"2019-06-06 01:15:23\", address: nil, phone_number: nil, web_site: nil>]"

我需要能够为我的jquery数据表分页但是我的代码不起作用

我以这种方式获取数据：

place_events = PlaceEvent.where(event_id: @event.id)
    place_events.each do |place_event|
      if place_event['event_place_type'] == PrecintEvent.name
        data << PrecintEvent.find(place_event['event_place_id'])
      else
        data << LocationEvent.find(place_event['event_place_id'])
      end
    end

我对数据进行排序

data = data.sort_by(&:"#{sort_column}")
    data = data.reverse if sort_direction == 'desc'

我尝试以这种方式分页数组：

require 'will_paginate/array'
data = data.paginate(:page => page, :per_page => per_page)

Erro paginate

def page
    params[:start].to_i/per_page + 1
  end

  def per_page
    params[:length].to_i > 0 ? params[:length].to_i : 10
  end

  def sort_column
    columns = %w[name]
    columns[params[:order]["0"]["column"].to_i]
  end

  def sort_direction
    params[:order]["0"]["dir"] == "desc" ? "desc" : "asc"
  end

不要使用will_paginate页面数组-Ruby on Rails

0 个答案: