保证ruby和gem没有问题的前提下

rubyinstaller-1.9.2-p180.exe 以管理员打开安装 安装时 两个单选框 都选中

C:\Documents and Settings\Administrator>ruby
ruby 1.9.2p180 (2011-02-18) [i386-mingw32]ruby -v

更新rubygem gem update --system

C:\Documents and Settings\Administrator>gem -v
1.5.2


gem install/list/uninstall selenium-webdriver2.gem install selenium-webdriver报错

(一)

C:\Documents and Settings\Administrator>gem install selenium-webdriver
ERROR: Could not find a valid gem 'selenium-webdriver' (>= 0) in any repository
ERROR: Possible alternatives: selenium-webdriver

C:\Documents and Settings\Administrator>gem sources --remove http://rubygems.org/
http://rubygems.org/ removed from sources

C:\Documents and Settings\Administrator>gem sources -a https://ruby.taobao.org/
https://ruby.taobao.org/ added to sources

C:\Documents and Settings\Administrator>gem sources -l
*** CURRENT SOURCES ***
https://ruby.taobao.org/

目的:修改gem镜像

(二)

没有加代理


3、查看文档

gem server

localhost-0.0.0.0