rails4     faye简单例子
步骤：
rails new mchatter
source 'http://ruby.taobao.org'
 bundle  install

 rails g scaffold  message content:string

关键gemfile添加下面gem gem ‘thin’ gem ‘faye’ gem ‘faye-websocket’ 安装gem gem install thin 启动faye监听rackup faye.ru -s thin -E production 参考blog.csdn.net/hexudong08/article/details/6957574