下载ruby1) Download Ruby 1.9.3-p0下载DevKit2) Download DevKit file from http://rubyinstaller.org/downloads (DevKit-tdm-32-4.5.2-20110712-1620-sfx.exe)3) Extract DevKit to path C:\Ruby193\DevKit添加环境变量RUBY_HOME = C:\Ruby193Path 追加 %RUBY_HOME%\bin4) cd C:\Ruby192\DevKit5) ruby dk.rb init6) ruby dk.rb review7) ruby dk.rb install8) gem install rails9) rails new [your project name]天不负;卧薪尝胆，三千越甲可吞吴。
rails3
