React Native环境搭建执行npm install -g react-native-cli报错Error: EACCES: permission denied, mkdir '/usr/loc

配置 Mac + iOS React Native 环境执行 “npm install -g react-native-cli” 报错 npm ERR! Error: EACCES: permission denied, mkdir ‘/usr/local/lib/node_modules/react-native-cli’

错误原因: 权限错误

解决办法: 前面加上sudo即可

 sudo npm install -g react-native-cli