您真正想要的是Mechanize :: Download

What you really want is the Mechanize::Download

http://mechanize.rubyforge.org/Mechanize/Download.html

您可以使用这种方式:

require 'mechanize'

agent = Mechanize.new
agent.pluggable_parser.default = Mechanize::Download
agent.get('http://example.com/foo').save('a_file_name')