1. ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew install ruby
gem sources --remove http://ruby.taobao.org/ //移除原文件地址
2. gem sources -a https://ruby.taobao.org/ //添加新文件地址
3. gem sources -l //查看源文件地址是否正确
4. sudo gem install cocoapods //更新命令:sudo gem install cocoapods
命令:pod setup命令: touch Podfile 创建
命令: open -e Podfile 打开
命令:pod install
5. 命令:pod update
http://www.th7.cn/Program/Ruby/201507/513274.shtml