rails 网站跨域

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gem install rack-cors

Or in your Gemfile:

gem ‘rack-cors‘, :require => ‘rack/cors‘

修改 config.ru

require ::File.expand_path(‘../config/environment‘,  __FILE__)
run Rails.application

require ‘rack/cors‘
use Rack::Cors do

  # allow all origins in development
  allow do
    origins ‘*‘
    resource ‘*‘,
        :headers => :any,
        :methods => [:get, :post, :delete, :put, :options]
  end
end

rails 网站跨域

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原文地址：http://www.cnblogs.com/messipapa/p/4813687.html