npm安装报错（npmERR!codeEPERMnpmERR!syscallmkdirnp。。。使⽤npm 安装vue的时候突然报错了：
npm ERR! code EPERM
npm ERR! syscall mkdir
npm ERR! path C:\Program Files\nodejs\node_cache\_cacache
npm ERR! errno -4048
mkdirs方法npm ERR! Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_cache\_cacache'
npm ERR!  [OperationalError: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_cache\_cacache'] {
npm ERR!  cause: [Error: EPERM: operation not permitted, mkdir 'C:\Program Files\nodejs\node_cache\_cacache'] {
npm ERR!    errno: -4048,
npm ERR!    code: 'EPERM',
npm ERR!    syscall: 'mkdir',
npm ERR!    path: 'C:\\Program Files\\nodejs\\node_cache\\_cacache'
npm ERR!  },
npm ERR!  isOperational: true,
npm ERR!  errno: -4048,
npm ERR!  code: 'EPERM',
npm ERR!  syscall: 'mkdir',
npm ERR!  path: 'C:\\Program Files\\nodejs\\node_cache\\_cacache'
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.
解决⽅法：
1.删除.npmrc⽂件
该⽂件在：C:\Users{账户}\下的.npmrc⽂件，
⼀般这种类型的都是默认被隐藏，⼀定要选择将隐藏取消掉
删掉即可。
2.或者直接⽤命令清理就⾏，控制台输⼊：
npm cache clean --force
以上两种⽅法都可以解决问题哦！

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