node-sass 安装失败解决方法

部署项目时，npm install 出现下图错误

Downloading binary from https://github.com/sass/node-sass/releases/download/v3.13.1/win32-x64-64_binding.node
Cannot download "https://github.com/sass/node-sass/releases/download/v3.13.1/win32-x64-64_binding.node":
………………
gyp verb check python checking for Python executable "python2" in the PATH
gyp verb `which` failed Error: not found: python2
gyp verb `which` failed     at getNotFoundError (D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:80:29)
gyp verb `which` failed     at D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:89:16
gyp verb `which` failed     at D:\autotest\ebs_atm\ebs-atm-web\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at D:\autotest\ebs_atm\ebs-atm-web\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:192:21)
gyp verb `which` failed  python2 Error: not found: python2
gyp verb `which` failed     at getNotFoundError (D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:80:29)
gyp verb `which` failed     at D:\autotest\ebs_atm\ebs-atm-web\node_modules\which\which.js:89:16
gyp verb `which` failed     at D:\autotest\ebs_atm\ebs-atm-web\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at D:\autotest\ebs_atm\ebs-atm-web\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:192:21) {
gyp verb `which` failed   code: 'ENOENT'
gyp verb `which` failed }
gyp verb check python checking for Python executable "python" in the PATH
gyp verb `which` succeeded python D:\Asoftware\python\python.EXE
gyp ERR! configure error
gyp ERR! stack Error: Command failed: D:\Asoftware\python\python.EXE -c import sys; print "%s.%s.%s" % sys.version_info[
:3];
gyp ERR! stack   File "<string>", line 1
gyp ERR! stack     import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack                       ^
gyp ERR! stack SyntaxError: invalid syntax
gyp ERR! stack
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:390:12)
gyp ERR! stack     at ChildProcess.emit (events.js:400:28)
gyp ERR! stack     at maybeClose (internal/child_process.js:1055:16)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)
gyp ERR! System Windows_NT 10.0.19043
gyp ERR! command "D:\\Asoftware\\Nodejs\\node.exe" "D:\\autotest\\ebs_atm\\ebs-atm-web\\node_modules\\node-gyp\\bin\\nod
e-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd D:\autotest\ebs_atm\ebs-atm-web\node_modules\node-sass
gyp ERR! node -v v14.17.5
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any
"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.12.0 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@4.12.0 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\jingzhou\AppData\Roaming\npm-cache\_logs\2021-08-25T06_41_01_253Z-debug.log

Process finished with exit code 1

Downloading binary from https://github.com/sass/node-sass/releases/download/v3.13.1/win32-x64-64_binding.node
Cannot download "https://github.com/sass/node-sass/releases/download/v3.13.1/win32-x64-64_binding.node":

报上图的错误的原因：node-sass模块无法成功下载，并非python的版本问题
在node_modules文件夹，打开cmd窗口，通过淘宝镜像下载node-sass模块
命令如下：

npm i node-sass --sass_binary_site=https://npm.taobao.org/mirrors/node-sass/

下载成功的图片.png

ps:由于我的项目的package.json中，版本过低，在下载的时候，自动升级成"^4.14.1"版本

package.json文件显示.png