Windows下ruby安装和ri设置

1. ruby最强大的web框架ruby on rails .必学的.所以可以直接安装RailsInstaller.

地址:http://www.railsinstaller.org/en .安装过程默认勾选添加环境到PATH.

2. 更改gem镜像到http://ruby.taobao.org/

$ gem sources --remove https://rubygems.org/
$ gem sources -a https://ruby.taobao.org/
$ gem sources -l
*** CURRENT SOURCES ***

https://ruby.taobao.org
# 请确保只有 ruby.taobao.org
$ gem install rails

3. ri的安装

  gem install rdoc-data

  # Regenerate system docs
  rdoc-data --install

  # Regenerate all gem docs
  gem rdoc --all --overwrite

  # Regenerate specific gem doc with specific version
  gem rdoc gemname -v 1.2.3 --overwrite