背景

win10 电脑，安装node.js之后，执行npm install命令居然报错

关键字： Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'

全部报错日志如下 

D:\Java\workspace_ws\milla-vue-master>npm install
npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path D:\Program Files\nodejs\node_cache
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'
npm ERR!  [OperationalError: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!   cause: [Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!     errno: -4048,
npm ERR!     code: 'EPERM',
npm ERR!     syscall: 'mkdir',
npm ERR!     path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR!   },
npm ERR!   isOperational: true,
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR! }
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.
npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path D:\Program Files\nodejs\node_cache
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'
npm ERR!  [OperationalError: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!   cause: [Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!     errno: -4048,
npm ERR!     code: 'EPERM',
npm ERR!     syscall: 'mkdir',
npm ERR!     path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR!   },
npm ERR!   isOperational: true,
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR! }
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.
npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path D:\Program Files\nodejs\node_cache
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'
npm ERR!  [OperationalError: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!   cause: [Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!     errno: -4048,
npm ERR!     code: 'EPERM',
npm ERR!     syscall: 'mkdir',
npm ERR!     path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR!   },
npm ERR!   isOperational: true,
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR! }
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.
npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path D:\Program Files\nodejs\node_cache
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'
npm ERR!  [OperationalError: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!   cause: [Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!     errno: -4048,
npm ERR!     code: 'EPERM',
npm ERR!     syscall: 'mkdir',
npm ERR!     path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR!   },
npm ERR!   isOperational: true,
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR! }
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.
npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path D:\Program Files\nodejs\node_cache
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'
npm ERR!  [OperationalError: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!   cause: [Error: EPERM: operation not permitted, mkdir 'D:\Program Files\nodejs\node_cache'] {
npm ERR!     errno: -4048,
npm ERR!     code: 'EPERM',
npm ERR!     syscall: 'mkdir',
npm ERR!     path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR!   },
npm ERR!   isOperational: true,
npm ERR!   errno: -4048,
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'mkdir',
npm ERR!   path: 'D:\\Program Files\\nodejs\\node_cache'
npm ERR! }
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.

原因分析

看着报错应该是权限问题

解决方式 

1.用管理员方式运行 

但是这种治标不治本

2.改变用户权限 

找到%NODE_HOME%/nodejs 右键属性找到安全改变