ruby GB2312 URL encode

class String
  def utf8_to_gb2312
    encode_convert(self, "gb2312", "UTF-8")
  end 

  private
  def encode_convert(s, to, from)
    require 'iconv'
    begin
      converter = Iconv.new(to, from)
      converter.iconv(s)
    rescue
      s
    end
  end
end

s = "搞笑".utf8_to_gb2312
require 'uri'
puts URI.escape(s)
"http://index.baidu.com/main/word.php?word=%B8%E3%D0%A6"

 

首发：http://www.holin.info/posts/4d6d0374ff1f012d4d000002

require 'iconv'

Iconv.iconv("GB2312//IGNORE","UTF-8",s)

encode_convert应该是类方法吧