使用Net::HTTP 时，出现 Authorization Required

require 'net/http'
http = Net::HTTP.new("myserver.com",80)
   
resp, data = http.get("/article", nil )
puts "Code = #{resp.code}"
puts "Message = #{resp.message}"

结果是：
Code = 401
Message = Authorization Required

当在浏览器中打开myserver.com/article时，弹出对话框提示输入用户密码，输入后就能正常显示，在代码中使用http对象如何处理？

From my Blog

require 'net/http'

url_address = 'http://www.example.com'
url = URI.parse(url_address)
req = Net::HTTP::Get.new(url.path)
req.basic_auth 'user', 'password'
res = Net::HTTP.start(url.host, url.port) { |http| http.request(req) }
puts res.body