最新xcode安装pods

https://www.jianshu.com/p/9701aeab74be

https://blog.csdn.net/BlackMonkey_xj/article/details/124466716

https://blog.csdn.net/ZCC361571217/article/details/127333754

https://blog.csdn.net/m0_59449563/article/details/124453994

sudo gem install -n /usr/local/bin cocoapods 
sudo gem install -n /usr/local/bin cocoapods 
--user-install

 https://blog.csdn.net/m0_52387305/article/details/122715407

sudo chown -R username /Library/Ruby/Gems/2.6.0

post_install do |installer|
  installer.pods_project.build_configurations.each do |config|
    config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"
  end
end