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
  l& p" o+ V2 L: R) s3 j3 }gyp 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:
9 r7 n3 d6 ]) L9 _4 t! M! V  X) ]+ kgyp ERR! find VS "C:\Program Files (x86)\Microsoft Visual Studio\2017"
5 |; A, z0 Z/ J+ b  I" I9 j3 y. G$ Mgyp ERR! find VS - will only use this version
, [6 ~: s9 }7 e1 Agyp ERR! find VS could not use PowerShell to find Visual Studio 2017 or newer
. [0 C( c! Y, x1 q4 p! Tgyp ERR! find VS looking for Visual Studio 2015
3 T5 H7 j  D$ }/ c8 z" ~gyp ERR! find VS - not found
* X* m( A$ W4 R( m$ E1 zgyp ERR! find VS looking for Visual Studio 2013
  @! B! y  t; E  F- {6 |5 rgyp ERR! find VS - not found
( ?" L- u. h& D3 w" ?. Igyp ERR! find VS
/ f0 n  l$ J) rgyp ERR! find VS **************************************************************
0 v% w% B3 u! g  Ogyp ERR! find VS You need to install the latest version of Visual Studio
gyp ERR! find VS including the "Desktop development with C++" workload.
5 x; F3 N4 C" I, \) t" c5 G0 }! \9 Ygyp ERR! find VS For more information consult the documentation at:
- v, z8 h2 G- H+ C7 r/ s/ t4 ]gyp ERR! find VS https://github.com/nodejs/node-gyp#on-windows
4 d" e2 o' i. ^" V3 I1 w, O! ?gyp ERR! find VS **************************************************************
6 B9 L- m: \9 hgyp ERR! find VS
6 K8 }9 p. ?: ]* r1 hgyp ERR! configure error
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
dio.js:121:47)
% o, n* h& d& m; C2 xgyp 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
gyp ERR! stack     at D:\rymcu\electron-serialport\node_modules\node-gyp\lib\util.js:33:16
# D) M  N- m0 M8 ^8 [gyp ERR! stack     at ChildProcess.exithandler (child_process.js:310:5)
4 S% j, o4 O6 i( \5 f, s* rgyp 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)
9 @/ j( i& ]5 o) `$ u" Bgyp ERR! System Windows_NT 10.0.15063

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解决办法
" g- s& |- }9 T1 v+ ?/ q1、卸载nodejs重新安装一遍

: Z, f/ D) `. {3 F& t$ k: l7 K! L( g2、设置淘宝镜像 npm config set registry https://registry.npm.taobao.org

8 u/ d8 ~) j( W) K0 z: p3、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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: _) Q. C0 c4 s: b7 R9 N4 \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

wellknow

4、关键所在！！！执行编译时指定python版本，npm install --python=python2.7
0 v7 J( `& f% Y' p, P# G$ q0 q% r% I
. ^2 Q# i9 |. Z; l  X& ]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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+ u6 f* P, t' s, u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