[TOC] CocoaPods获取Ruby类的属性https://www.jianshu.com/p/d8eb397b835e CocoaPods官方API文档https://www.rubydoc.info/gems/cocoapods/Pod/ 下载和安装下载包 sudo gem install cocoapods 提示查看 gem 使用的安装源 gem sources -l移除一个 gem