安装cocoapods时候
命令 sudo gem install cocopods
提示
tiantaodeMacBook-Pro:~ tiantao$ sudo gem install cocoapods
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /usr/bin directory.
解决方案 有人说 前面加sudo 明明已经加了 是无写入到/usr/bin directory 权限
执行此命令即可