https://ruby-china.org/liveljack en-us <p>我通过 Nokogiri 抓取网页信息，在本地运行是没问题的，部署在远程 linux 上面之后 nokogiri 返回为空，查了好几天还是查不出来问题所在，还请各位大侠多多指教。 nokogiri 的版本是 1.5.5</p> <p>代码如下 7 require 'rubygems' 8 require 'nokogiri' 9 require 'open-uri' 10 require 'real_estate_model' 11 12 class RealEstateCrawler 13 #to crawl the information of Beijing 14 def crawlRealEstateInfoBeijing </p> <p>22 23 doc= Nokogiri::HTML(open('<a href="http://www.amazon.com/" rel="nofollow" target="_blank">http://www.amazon.com/</a>')) 24 p doc.text #==&gt;returns empty ""</p> liveljack Sat, 09 Mar 2013 17:14:50 +0800 https://ruby-china.org/topics/9278 https://ruby-china.org/topics/9278