gem ‘rack-cors‘, ‘~> 0.3.1‘application.rb config.middleware.insert_before 0, "Rack::Cors" do allow do origins ‘*‘ resource ‘*‘, :headers => :any, :methods => [:get, :post, :options] end end
rails跨域请求配置
原文：http://www.cnblogs.com/znsongshu/p/6081139.html
