npm install齐天大坑！！！gyp ERR! find VS msvs_version not set from command line

wellknow

报错信息：

```bash
gyp ERR! find VS
gyp ERR! find VS msvs_version not set from command line or npm config
; U% l% o* f8 k9 }8 A0 Ggyp ERR! find VS running in VS Command Prompt, installation path is:
gyp ERR! find VS "C:\Program Files (x86)\Microsoft Visual Studio\2017"
2 r% Y5 h8 G$ l0 Mgyp ERR! find VS - will only use this version
gyp ERR! find VS could not use PowerShell to find Visual Studio 2017 or newer
gyp ERR! find VS looking for Visual Studio 2015
' e8 w: @: t1 M7 n* Mgyp ERR! find VS - not found
gyp ERR! find VS looking for Visual Studio 2013
gyp ERR! find VS - not found
) b; @, N+ |1 hgyp ERR! find VS
gyp ERR! find VS **************************************************************
& o2 {" _$ S7 n% Qgyp ERR! find VS You need to install the latest version of Visual Studio
: R+ D/ T. ]( a% s. s( e2 z/ Ogyp ERR! find VS including the "Desktop development with C++" workload.
gyp ERR! find VS For more information consult the documentation at:
% O) h# z2 F# z' Z& f+ _7 G7 J' jgyp ERR! find VS https://github.com/nodejs/node-gyp#on-windows
; ^7 Y! |1 q5 A. ogyp ERR! find VS **************************************************************
gyp ERR! find VS
gyp ERR! configure error
! Y1 Y6 B& B2 s" k! X; A, z! a# }gyp ERR! stack Error: Could not find any Visual Studio installation to use
gyp ERR! stack     at VisualStudioFinder.fail (D:\rymcu\electron-serialport\node_modules\node-gyp\lib\find-visualstu
; c9 _$ Q, q6 wdio.js:121:47)
1 v& k3 g: Y: t" n) ]gyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\find-visualstudio.js:74:16
" t- W: @# T/ P7 _# rgyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\find-visualstudio.js:372:16
gyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\util.js:54:7
gyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\util.js:33:16
% z6 g# g- W9 G) @4 Tgyp ERR! stack     at ChildProcess.exithandler (child_process.js:310:5)
8 A5 E8 U5 u2 k9 lgyp ERR! stack     at ChildProcess.emit (events.js:315:20)
gyp ERR! stack     at maybeClose (internal/child_process.js:1021:16)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5)
gyp ERR! System Windows_NT 10.0.15063

1 O" x0 _. F) ~' I
解决办法
' v6 J0 z7 u: C  A1、卸载nodejs重新安装一遍
2 F% M1 x2 F, U. u) j# F
8 c4 ^: H3 @8 {( U( I  @$ v2、设置淘宝镜像 npm config set registry https://registry.npm.taobao.org

+ b. }2 X% c1 x0 f3、安装nodejs所需的环境（Visual Studio XX、python什么鬼的）,执行这个命令会自动检测并帮你安装好，npm install --g --production windows-build-tools
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版权声明：本文为CSDN博主「一点一滴成长」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
& w! E: ~: {2 s+ x  o$ A原文链接：https://blog.csdn.net/qq_39946015/article/details/127351920

wellknow

4、关键所在！！！执行编译时指定python版本，npm install --python=python2.7

+ m- W; r) R& h$ n& R由于我的电脑之前安装过python3版本，并且设置了环境变量，所以npm install会找我默认的python,所以执行时指定nodejs只支持的python2版本。

然后，神奇的事情到了，我把编译包modules删掉后重新编译(这次不指定python2版本直接npm install)，居然奇迹般的又没有报错！！！想不通。。。难道npm会将上次编译成功的配置保存下来？？算了不纠结了哭泣！
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版权声明：本文为CSDN博主「一点一滴成长」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/qq_39946015/article/details/127351920