ruby 中的异步 http 请求

# 使用Ruby进行异步HTTP请求

bash
gem install eventmachine

ruby
require 'eventmachine'
require 'em-http-request'
EM.run do
  http1 = EventMachine::HttpRequest.new('http://example.com').get
  http1.callback do
    puts "Request 1 completed with status #{http1.response_header.status}"
    puts "Response body: #{http1.response}"
  end
  http2 = EventMachine::HttpRequest.new('http://example.org').get
  http2.callback do
    puts "Request 2 completed with status #{http2.response_header.status}"
    puts "Response body: #{http2.response}"
  end
end