ActionController::InvalidAuthenticityToken解决办法

第一种:

 class FooController < ApplicationController
    protect_from_forgery :except => :index

    # you can disable csrf protection on controller-by-controller basis:
    skip_before_filter :verify_authenticity_token
  end




第二种:
修改配置文件config\environments\development.rb

 # Disable request forgery protection in development environment
   config.action_controller.allow_forgery_protection = false

然后重启服务器

第三种:
在jquery或form中加入
<%= tag(:input, :type => "hidden", :name => 
request_forgery_protection_token.to_s, :value => 
form_authenticity_token) %> 

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