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我在使用 will_paginate gem 时遇到问题，因为 Heroku 生产中没有显示分页链接。它在本地环境中运行良好。

一般信息

  • 我在生产数据库中有 11 个帖子
  • heroku 日志似乎没有给我任何错误。

宝石文件

gem 'rails', '3.2.3'

group :development do
  gem 'sqlite3'
end

group :production do
  gem 'pg'
end

group :assets do
  gem 'sass-rails',   '~> 3.2.3'
  gem 'coffee-rails', '~> 3.2.1'
  gem 'twitter-bootstrap-rails'
  gem 'therubyracer', :platform => :ruby
  gem 'less'
  gem 'uglifier', '>= 1.0.3'
end

  gem 'jquery-rails'
  gem 'opentok'
  gem 'redcarpet', '1.17.2'
  gem 'will_paginate', "~> 3.0.3"
  gem 'bcrypt-ruby', :require => "bcrypt"

环境.rb

require 'will_paginate/array'

Posts_Controller.rb

def index
  @posts = Post.paginate(:page => params[:page], :per_page => 10, :order => 'created_at DESC')

  respond_to do |format|
    format.html # index.html.erb
    format.json { render json: @posts }
  end
end

Index.html.erb(帖子)

<%= will_paginate @posts %>
<%= render 'post' %>

_Post.html.erb

<% @posts.each do |post| %>
<h1><%= link_to post.title, post_path(post) %></h1>
<p>Posted On: <%= post.created_at %></p>
<p>
    <%= markdown(post.body) %>
</p>
<% if admin? %>
    <%= link_to "Edit", edit_post_path(post), :class => "btn" %>
    <%= link_to "Destroy", post_path(post), :method => :delete, :class => :destroy %>
<% end %>
<hr/>

如果您需要更多信息，请告诉我！

4

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