安装

# 安装最新beta版
sudo gem install cocoapods --pre -n /usr/local/bin
# 安装最新稳定版
sudo gem install cocoapods -n /usr/local/bin

卸载

1. sudo rm -rf /usr/local/bin/pod，卸载pod命令。
2. gem list，查看所有安装的cocoapods组件，依次删除，sudo gem uninstall cocoapods-XXX
   或者执行以下脚本

sudo rm -rf /usr/local/bin/pod ; gem list | grep cocoapods | awk '{print $1}' | while read line; do sudo gem uninstall $line; done

Xcode工程里的cocoapods卸载与重装

rm -rf Pods Podfile.lock *.xcworkspace && pod install && open *.xcworkspace