本文介绍: 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
C:Userslenovo>npm install -g vue
npm ERR! code EPERM
npm ERR! syscall open
npm ERR! path F:nodenode_cache_cacacheindex-v54bd5ac02d8eac51f5c368b18a948d14b7ba882d43e6f4cafddbf9dda740d2afa
npm ERR! errno -4048
npm ERR! Error: EPERM: operation not permitted, open 'F:nodenode_cache_cacacheindex-v54bd5ac02d8eac51f5c368b18a948d14b7ba882d43e6f4cafddbf9dda740d2afa'
npm ERR! [Error: EPERM: operation not permitted, open 'F:nodenode_cache_cacacheindex-v54bd5ac02d8eac51f5c368b18a948d14b7ba882d43e6f4cafddbf9dda740d2afa'] {
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'open',
npm ERR! path: 'F:\node\node_cache\_cacache\index-v5\4b\d5\ac02d8eac51f5c368b18a948d14b7ba882d43e6f4cafddbf9dda740d2afa',
npm ERR! requiredBy: '.'
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! Log files were not written due to an error writing to the directory: F:nodenode_cache_logs
npm ERR! You can rerun the command with `--loglevel=verbose` to see the logs in your terminal
首先需要在安装node.js文件夹中自行创立这两个文件夹，node_global代表全局变量的文件夹，node_cache代表缓存的文件夹。
接下来要配置文件：
npm config set prefix "D:Coding_toolsNodejsnode_global"
npm config set cache "D:Coding_toolsNodejsnode_cache"
这里换成自己的路径即可。
接下来就是配置环境变量：
然后将用户变量中Path，关于node的环境变量改为目前的全局变量地址。
这样就可以了，但是当我们再到cmd窗口去进行npm下载时就会报错
报错的内容说是权限不够，不能新建_cacache，这表示目前的权限不够，所以需要换管理员模式的powershell，与我之前用的管理员模式的cmd不太相同，仅供参考：
在搜索窗口上输入powershell，选择run as Administrator即可
原文地址:https://blog.csdn.net/weixin_55193164/article/details/128887272
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