如何使用Ruby on Rails发出HTTP请求？ [英] How to make a HTTP request using Ruby on Rails?

问题描述

我想从其他网站获取信息。因此（也许）我应该向该网站发出请求（在我的情况下是HTTP GET请求）并接收响应。

I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response.

如何在Ruby on Rails中实现这一点？

How can I make this in Ruby on Rails?

如果有可能，这是一种正确的方法吗？在我的控制器中使用？

If it is possible, is it a correct approach to use in my controllers?

推荐答案

你可以使用Ruby的 Net :: HTTP 类：

You can use Ruby's Net::HTTP class:

require 'net/http'

url = URI.parse('http://www.example.com/index.html')
req = Net::HTTP::Get.new(url.to_s)
res = Net::HTTP.start(url.host, url.port) {|http|
  http.request(req)
}
puts res.body

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