npm ERR! cause: [Error: EPERM: operation not permitted, lstat 'E:\WF_Work\HappyApiTest\frontend\node_modules\.staging\yauzl-2288bac6\index.js'] {
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'lstat',
npm ERR! path: 'E:\\WF_Work\\HappyApiTest\\frontend\\node_modules\\.staging\\yauzl-2288bac6\\index.js'
npm ERR! },
npm ERR! stack: "Error: EPERM: operation not permitted, lstat 'E:\\WF_Work\\HappyApiTest\\frontend\\node_modules\\.staging\\yauzl-2288bac6\\index.js'",
npm ERR! errno: -4048,
npm ERR! code: 'EPERM',
npm ERR! syscall: 'lstat',
npm ERR! path: 'E:\\WF_Work\\HappyApiTest\\frontend\\node_modules\\.staging\\yauzl-2288bac6\\index.js',
npm ERR! parent: 'frontend'
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! A complete log of this run can be found in:
npm ERR! D:\Program Files\nodejs\node_cache\_logs\2020-04-22T08_02_15_540Z-debug.log
E:\WF_Work\HappyApiTest\frontend>npm install
解决办法：
需要删除npmrc文件。
强调：不是nodejs安装目录npm模块下的那个npmrc文件
而是在C:\Users\{账户}\下的.npmrc文件..
方法2、
或者直接用命令清理就行，控制台输入：
npm cache clean --force
顺利解决
