Rails enable your site support mobile
A Better Way to Add Mobile Pages to a Rails Site http://scottwb.com/blog/2012/02/23/a-better-way-to-add-mobile-pages-to-a-rails-site/
Mobile Devices and Rails: Maintaining your Sanity http://erniemiller.org/2011/01/05/mobile-devices-and-rails-maintaining-your-sanity/
useragent https://github.com/josh/useragent
Mobile Devices http://railscasts.com/episodes/199-mobile-devices?view=asciicast
Beginner’s Guide to Responsive Web Design http://blog.teamtreehouse.com/beginners-guide-to-responsive-web-design
Responsive Web Design 的一些技巧和想法 http://blog.xdite.net/posts/2012/02/16/about-responsive-design-technique/
mobilizing your rails application http://www.slideshare.net/brendanlim/mobilizing-your-rails-application
Creating a mobile version of your site in Rails 3.1 http://www.tobiascohen.com/articles/2012/07/01/creating-a-mobile-version-of-your-rails-site/
#2 楼 @huacnlee 我用 apache+passenger 做 web 服务。用我的手机打开网站的时候，在日志中有四条记录。
42.121.5.68:80 222.129.42.246 - - [12/Dec/2012:21:41:55 +0800] "GET / HTTP/1.1" 200 1515 "-" "MQQBrowser/3.7/Adr (Linux; U; 2.2.2; zh-cn; ZTE-U V880 Build/UNI_CN_V880 1.1;480*800)"
42.121.5.68:80 222.129.42.246 - - [12/Dec/2012:21:41:56 +0800] "GET / HTTP/1.1" 304 460 "-" "MQQBrowser/3.7/Mozilla/5.0 (Linux; U; Android 2.2.2; zh-cn; ZTE-U V880 Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1"
42.121.5.68:80 222.129.42.246 - - [12/Dec/2012:21:41:56 +0800] "GET /assets/application-58affb38ffec619e638bc73d238196e9.css HTTP/1.1" 304 156 "http://42.121.5.68:10000/" "MQQBrowser/3.7/Mozilla/5.0 (Linux; U; Android 2.2.2; zh-cn; ZTE-U V880 Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1"
42.121.5.68:80 222.129.42.246 - - [12/Dec/2012:21:41:56 +0800] "GET /assets/application-ed18bc432dee2a16b56439059323798c.js HTTP/1.1" 304 156 "http://42.121.5.68:10000/" "MQQBrowser/3.7/Mozilla/5.0 (Linux; U; Android 2.2.2; zh-cn; ZTE-U V880 Build/FRF91) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1"
第一条的 user-agent 中有分辨率，后面三条就没有了，但是后面三条要多一些信息，例如：android, mobile。 能解释这是为什么吗？ 如果我做分辨率适配，如何处理呢？ 我在网页上打印出来的 request.user_agent 里面也没有分辨率的信息，这个分辨率该从哪里找呢？ 是不是用来 mobile_fu 就可以直接获取了呢？