cocoapods安装和使用常见问题及解决方案

• cocopods安装后pod install出现以下错误

  /usr/local/Cellar/ruby/2.4.1_1/lib/ruby/2.4.0/rubygems.rb:270:in find_spec_for_exe: can't find gem cocoapods (>= 0.a) (Gem::GemNotFoundException)
  
  from /usr/local/Cellar/ruby/2.4.1_1/lib/ruby/2.4.0/rubygems.rb:298:in activate_bin_path
  
  from /usr/local/bin/pod:22:in

  解决方法:
  
  sudo gem install -n /usr/local/bin cocoapods

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• pod install 出现 Unable to find a specification for xxxxx

  Lovego:TYJHGame LOVEGO$ pod install
  
  Analyzing dependencies
  
  [!] Unable to find a specification for YJ3DTouch

  解决方案:
  
  pod repo update
  
  更新一下repo，更新完成之后即可解决无法找到xxx第三方框架的问题了