npm install 出现 npm ERR! command failed 解决办法

本地使用npm install 时出现如下异常，可以看下本地是否安装过历史版本的node导致的版本冲突。

解决方案： 先将历史版本的 node 卸载，再重新安装后，再执行npm install

npm ERR! code 1
npm ERR! path C:\Users\li-671\Downloads\light-blue-vue-admin-master\node_modules\node-sass
npm ERR! command failed
npm ERR! command C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js
npm ERR! Building: C:\Program Files\nodejs\node.exe C:\Users\li-671\Downloads\light-blue-vue-admin-master\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
npm ERR! gyp info it worked if it ends with ok
npm ERR! gyp verb cli [
npm ERR! gyp verb cli   'C:\\Program Files\\nodejs\\node.exe',
npm ERR! gyp verb cli   'C:\\Users\\li-671\\Downloads\\light-blue-vue-admin-master\\node_modules\\node-gyp\\bin\\node-gyp.js',
npm ERR! gyp verb cli   'rebuild',
npm ERR! gyp verb cli   '--verbose',
npm ERR! gyp verb cli   '--libsass_ext=',
npm ERR! gyp verb cli   '--libsass_cflags=',
npm ERR! gyp verb cli   '--libsass_ldflags=',
npm ERR! gyp verb cli   '--libsass_library='
npm ERR! gyp verb cli ]
npm ERR! gyp info using node-gyp@8.4.1
npm ERR! gyp info using node@18.12.1 | win32 | x64
npm ERR! gyp verb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp verb download using dist-url https://npm.taobao.org/dist
npm ERR! gyp verb find Python Python is not set from command line or npm configuration
npm ERR! gyp verb find Python Python is not set from environment variable PYTHON
npm ERR! gyp verb find Python checking if "python3" can be used
npm ERR! gyp verb find Python - executing "python3" to get executable path
npm ERR! gyp verb find Python - "python3" is not in PATH or produced an error
npm ERR! gyp verb find Python checking if "python" can be used
npm ERR! gyp verb find Python - executing "python" to get executable path
npm ERR! gyp verb find Python - executable path is "C:\ProgramData\Anaconda3\python.exe"
npm ERR! gyp verb find Python - executing "C:\ProgramData\Anaconda3\python.exe" to get version
npm ERR! gyp verb find Python - version is "3.9.12"
npm ERR! gyp info find Python using Python version 3.9.12 found at "C:\ProgramData\Anaconda3\python.exe"
npm ERR! gyp verb get node dir no --target version specified, falling back to host node version: 18.12.1
npm ERR! gyp verb command install [ '18.12.1' ]

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npm install 时 node-sass npm ERR command failed问题解决