cocoapods 安装卸载

pod --version   先看当前pod版本

gem list pod   列出当前所有安装的CocoaPods版本

sudo gem install cocoapods  安装最新版本cocoapods

sudo gem install cocoapods --version 0.39.0  安装指定版本cocoapods

sudo gem uninstall cocoapods -v 0.39.0  卸载指定版本

sudo gem uninstall cocoapods    卸载当前版本