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

wellknow

报错信息：
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```bash
gyp ERR! find VS
" K2 X# `) a* Y- \4 Z6 ygyp ERR! find VS msvs_version not set from command line or npm config
gyp ERR! find VS running in VS Command Prompt, installation path is:
gyp ERR! find VS "C:\Program Files (x86)\Microsoft Visual Studio\2017"
gyp 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
! w8 G  H# [6 `! x( \8 o: \' ggyp ERR! find VS - not found
) L- O) n$ l: r) _1 [gyp ERR! find VS looking for Visual Studio 2013
! J/ z8 z4 G1 ]: ^$ Egyp ERR! find VS - not found
1 W+ Y7 d( f, \$ Ogyp ERR! find VS
gyp ERR! find VS **************************************************************
6 e4 n+ c7 z* m% lgyp ERR! find VS You need to install the latest version of Visual Studio
4 `: ^% t4 O" I6 o/ ^gyp ERR! find VS including the "Desktop development with C++" workload.
3 w* H1 v% O% o) S& `' P+ Fgyp ERR! find VS For more information consult the documentation at:
gyp ERR! find VS https://github.com/nodejs/node-gyp#on-windows
; Z4 U: M# t; p! _$ C9 h6 _gyp ERR! find VS **************************************************************
gyp ERR! find VS
gyp ERR! configure error
0 {# x( T% [" s4 v  D' `; i3 C- Bgyp ERR! stack Error: Could not find any Visual Studio installation to use
. W+ }4 X$ j& h$ K4 D4 vgyp ERR! stack     at VisualStudioFinder.fail (D:\rymcu\electron-serialport\node_modules\node-gyp\lib\find-visualstu
; ?3 _2 m2 l; \/ V2 F4 v2 h* O5 Q8 |dio.js:121:47)
! q" C1 g+ I1 B' s; hgyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\find-visualstudio.js:74:16
gyp 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
5 k+ c) \% G2 z, Wgyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\util.js:33:16
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:310:5)
# r( I7 b( {7 B# U. T; Ggyp 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

% \( }% e5 R: K
# U# k8 Z) h# ?& a& S- }% n解决办法
3 R4 N& w( ~2 N3 Z0 x) G9 S. O  p1、卸载nodejs重新安装一遍

4 U# a7 |4 g# q% \2、设置淘宝镜像 npm config set registry https://registry.npm.taobao.org
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# A7 G2 J# D$ h+ U  Q3、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。
3 P: C6 z& t- {  [1 g6 ^2 F; U: d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
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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！
$ S, ?, k3 f7 P8 g' A+ \; b————————————————
, [. e' U3 A5 \$ \+ k$ t6 g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。
! U, d- f9 w  e4 o7 t1 p& m7 C原文链接：https://blog.csdn.net/qq_39946015/article/details/127351920