Error: EPERM: operation not permitted, unlink

npm 安装依赖包时报错。

npm ERR! path D:\workspace\gddn-videomonitorsetting\node_modules\.staging\typescript-a56f33a2\lib\typescript.js
npm ERR! code EPERM
npm ERR! errno -4048
npm ERR! syscall unlink
npm ERR! Error: EPERM: operation not permitted, unlink 'D:\workspace\gddn-videomonitorsetting\node_modules\.staging\typescript-a56f33a2\lib\typescript.js'
npm ERR!  { [Error: EPERM: operation not permitted, unlink 'D:\workspace\gddn-videomonitorsetting\node_modules\.staging\typescript-a56f33a2\lib\typescript.js']
npm ERR!   cause:
npm ERR!    { Error: EPERM: operation not permitted, unlink 'D:\workspace\gddn-videomonitorsetting\node_modules\.staging\typescript-a56f33a2\lib\typescript.js'
npm ERR!      errno: -4048,
npm ERR!      code: 'EPERM',
npm ERR!      syscall: 'unlink',
npm ERR!      path:
npm ERR!       'D:\\workspace\\gddn-videomonitorsetting\\node_modules\\.staging\\typescript-a56f33a2\\lib\\typescript.js' },
npm ERR!   stack:
npm ERR!    'Error: EPERM: operation not permitted, unlink \'D:\\workspace\\gddn-videomonitorsetting\\node_modules\\.staging\\typescript-a56f33a2\\lib\\typescript.js\'',
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'unlink',
npm ERR!   path:
npm ERR!    'D:\\workspace\\gddn-videomonitorsetting\\node_modules\\.staging\\typescript-a56f33a2\\lib\\typescript.js',
npm ERR!   parent: 'ant-design-pro' }
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).

operation not permitted:操作不允许

1.排除是否有权限问题，可以用管理员身份运行一下。
2.如果没有权限问题，可以在C:\Users{账户}\下的.npmrc文件. 即清除npm缓存
（也可以使用命令清除缓存 npm cache clean --force）
3.再次运行npm i： ok啦