清华大佬耗费三个月吐血整理的几百G的资源，免费分享！....>>>

require 'net/ftp'

ftp = Net::FTP.new('ftp.domain.com')
ftp.passive = true
ftp.login
ftp.chdir('/your/folder/name/here')
ftp.putbinaryfile('local_file')
ftp.close