1.安装java运行时环境，且配置环境变量

2.安装jruby环境,建议选择安装1.6.8或1.6.7版本的

3.安装需要的gem包

gem install activerecord -v='3.0.5'

gem install activerecord-jdbc-adapter -v='1.1.3'

gem install arel -v='2.2.1'

gem install color -v='1.4.1'

gem install cucumber -v='1.2.1'

gem install i18n -v='0.6.0'

gem install jruby-openssl -v='0.7.4'

gem install rack -v='1.3.2'

gem install rest-open-uri -v='1.0.0'

gem install ruby-debug

gem install watir-webdriver -v='0.6.4'

gem install jruby-memcached -v='0.5.0'

gem install rspec -v="2.13.0"

可用的gem版本环境

activemodel (3.0.5)
activerecord (3.0.5)
activerecord-jdbc-adapter (1.1.3)
activesupport (3.0.5)
addressable (2.2.8)
arel (2.2.1, 2.0.10)
bouncy-castle-java (1.5.0146.1)
builder (2.1.2)
childprocess (0.3.3)
color (1.4.1)
columnize (0.3.6)
cucumber (1.2.1)
diff-lcs (1.1.3)
ffi (1.0.11 java)
gherkin (2.11.1 java)
httpclient (2.3.3)
i18n (0.6.0)
jruby-memcached (0.5.0)
jruby-openssl (0.7.4)
jruby-win32ole (0.8.5)
json (1.7.6 java, 1.7.3 java)
libwebsocket (0.1.3)
math (0.0.1)
multi_json (1.3.6)
mysql (2.8.1 x86-mswin32)
rack (1.3.2)
rake (0.8.7)
rdoc (3.12)
rest-open-uri (1.0.0)
rspec (2.13.0)
rspec-core (2.13.1)
rspec-expectations (2.13.0)
rspec-mocks (2.13.1)
ruby-debug (0.10.4)
ruby-debug-base (0.10.4 java)
rubygems-update (1.8.9)
rubyzip (0.9.9)
selenium-webdriver (2.24.0)
sources (0.0.1)
tzinfo (0.3.33)
watir-webdriver (0.6.1)