CocoaPods安装

CocoaPods安装，如果您此前已安装，请跳过此步骤。

移除现有的Ruby默认源

gem sources --remove https://rubygems.org/

使用新源

gem sources -a https://ruby.taobao.org/

验证新源替换是否成功

gem sources -l

安装CocoaPods

sudo gem install cocoapods

至此为止，整个CocoaPods就已安装成功了。