�一、安装cocoapods

sudo gem install -n /usr/local/bin cocoapods
pod setup
sudo gem update —system

��二、�转换为天朝镜像
请确保只有 ruby.taobao.org

$ gem sources --remove https://rubygems.org/
$ gem sources -a https://ruby.taobao.org/
$ gem sources -l
$ gem install rails

�三、加入第三方代码

cd  to you project
pod init
open -a Xcode Podfile
pod 'AFNetworking', ‘2.2.1'
pod install

�四、更新库

pod update --verbose

参考链接：
1、Introduction to CocoaPods Tutorial
2、RubyGems 镜像 - 淘宝网