Ruby 乱码，怎么解决，请大神帮帮忙！
require 'net/http' url=%Q(http://blog.sina.com.cn/1789468892) res =Net::HTTP.get_response(URI.parse(url)).body.match(/
(.+?)<\/title>/)[1] res.force_encoding('gbk') 输出结果："灏忕簿鐏典滑_鏂版氮鍗氬�" 乱码，怎么解决，请大神帮帮忙！
require 'net/http'
url=%Q(http://blog.sina.com.cn/1789468892)
res =Net::HTTP.get_response(URI.parse(url)).body.match(/<title>(.+?)<\/title>/)[1]
p res, res.encoding.name
res.force_encoding('UTF-8')
p res, res.encoding