如題

報錯大致是這樣的：

npm WARN locking errno: -4048,npm WARN locking code: 'EPERM',npm WARN locking syscall: 'open',

D:\Code\Project\2021-3-1\ruoyi-vue\ruoyi-ui>npm install
npm WARN locking Error: EPERM: operation not permitted, open ‘D:\Environment\nodejs\node_cache_locks\staging-9ac46eb88defb0e8.lock’
npm WARN locking D:\Environment\nodejs\node_cache_locks\staging-9ac46eb88defb0e8.lock failed [Error: EPERM: operation not permitted, open ‘D:\Environment\nodejs\node_cache_locks\staging-9ac46eb88defb0e8.lock’] {
npm WARN locking errno: -4048,
npm WARN locking code: ‘EPERM’,
npm WARN locking syscall: ‘open’,
npm WARN locking path: ‘D:\Environment\nodejs\node_cache\_locks\staging-9ac46eb88defb0e8.lock’
npm WARN locking }
npm ERR! code EPERM
npm ERR! syscall open
npm ERR! path D:\Environment\nodejs\node_cache_locks\staging-9ac46eb88defb0e8.lock
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, open ‘D:\Environment\nodejs\node_cache_locks\staging-9ac46eb88defb0e8.lock’
npm ERR! [Error: EPERM: operation not permitted, open ‘D:\Environment\nodejs\node_cache_locks\staging-9ac46eb88defb0e8.lock’] {
npm ERR! errno: -4048,
npm ERR! code: ‘EPERM’,
npm ERR! syscall: ‘open’,
npm ERR! path: 'D:\Environment\nodejs\node_cache\_locks\staging-9ac46eb88defb0e8.lock’
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.

原因搞明白了其實很簡單，就是無論cmd還是terminal下執行時，都不是管理員身份執行的，所以會報錯。（新的工作電腦管理員不是我，氣抖冷）

解決

兩種情況下都以管理員身份打開再次執行。（terminal的話管理員身份打開idea）