npm install -g react-native-cli 报错：errno -4048

安装全局react-native 命令行

npm install -g react-native-cli
npm ERR! path C:\Program Files\nodejs\node_modules\.staging
npm ERR! code EPERM
npm ERR! errno -4048
npm ERR! syscall mkdir
npm ERR! Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_modules\.staging'
npm ERR!  { [Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_modules\.staging']
npm ERR!   cause:
npm ERR!    { Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_modules\.staging'
npm ERR!      errno: -4048,
npm ERR!      code: 'EPERM',
npm ERR!      syscall: 'mkdir',
npm ERR!      path: 'C:\\Program Files\\nodejs\\node_modules\\.staging' },
npm ERR!   stack:
npm ERR!    'Error: EPERM: operation not permitted, mkdir \'C:\\Program Files\\nodejs\\node_modules\\.staging\'',
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'C:\\Program Files\\nodejs\\node_modules\\.staging' }
npm ERR!
npm ERR! The operation was rejected by your operating system.
npm ERR! It's possible that the file was already in use (by a text editor or antivirus),
npm ERR! or that you lack permissions to access it.
npm ERR!
npm ERR! If you believe this might be a permissions issue, please double-check the
npm ERR! permissions of the file and its containing directories, or try running
npm ERR! the command again as root/Administrator (though this is not recommended).

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\admin\AppData\Roaming\npm-cache\_logs\2019-03-12T07_40_35_613Z-debug.log

问题环境：window10系统下问题诊断：没有用户权限，打开命令行，以管理员权限启动
再执行命令就可以成功安装了，这个坑，我也是经常遇见，安装全局 -g 的时候就会遇到

来源：oschina

链接：https://my.oschina.net/u/3495544/blog/3021443

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React Native

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