1.第一步下载依赖包：npm install ,或者下载淘宝镜像，第一步命令：npm install -g cnpm --registry=https://registry.npm.taobao.org，第二步：cnpm install
注意:这里将将会用：cnpm，测试的
2.安装到最后就会显示以下报错信息：

| [10/71] Installing readable-stream@^2.0.1platform unsupported sass-loader@6.0.6 › webpack@3.6.0 › watchpack@1.7.5 › chokidar@3.5.1 › fsevents@~2.3.1 Package require os(darwin) not compatible with your platform(win32)
| [10/71] Installing is-finite@^1.0.0[fsevents@~2.3.1] optional install error: Package require os(darwin) not compatible with your platform(win32)
/ [10/71] Installing strip-ansi@^3.0.0platform unsupported sass-loader@6.0.6 › webpack@3.6.0 › watchpack@1.7.5 › watchpack-chokidar2@2.0.1 › chokidar@2.1.8 › fsevents@^1.2.7 Package require os(darwin) not compatible with your platform(win32)
/ [10/71] Installing tough-cookie@~2.5.0[fsevents@^1.2.7] optional install error: Package require os(darwin) not compatible with your platform(win32)
√ Installed 71 packages
√ Linked 1080 latest versions
[1/5] scripts.postinstall sass-loader@6.0.6 › webpack@3.6.0 › uglifyjs-webpack-plugin@^0.4.6 run "node lib/post_install.js", root: "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_uglifyjs-webpack-plugin@0.4.6@uglifyjs-webpack-plugin"
[1/5] scripts.postinstall sass-loader@6.0.6 › webpack@3.6.0 › uglifyjs-webpack-plugin@^0.4.6 finished in 570ms
[2/5] scripts.install node-sass@4.13.1 run "node scripts/install.js", root: "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-sass@4.13.1@node-sass"
Downloading binary from https://cdn.npm.taobao.org/dist/node-sass/v4.13.1/win32-x64-83_binding.node
Cannot download "https://cdn.npm.taobao.org/dist/node-sass/v4.13.1/win32-x64-83_binding.node":HTTP error 404 Not FoundHint: If github.com is not accessible in your locationtry setting a proxy via HTTP_PROXY, e.g.export HTTP_PROXY=http://example.com:1234or configure npm proxy vianpm config set proxy http://example.com:8080
[2/5] scripts.install node-sass@4.13.1 finished in 4s
[2/5] scripts.postinstall node-sass@4.13.1 run "node scripts/build.js", root: "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-sass@4.13.1@node-sass"
Building: D:\Node\node.exe C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-gyp@3.8.0@node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [
gyp verb cli   'D:\\Node\\node.exe',
gyp verb cli   'C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-gyp@3.8.0@node-gyp\\bin\\node-gyp.js',
gyp verb cli   'rebuild',
gyp verb cli   '--verbose',
gyp verb cli   '--libsass_ext=',
gyp verb cli   '--libsass_cflags=',
gyp verb cli   '--libsass_ldflags=',
gyp verb cli   '--libsass_library='
gyp verb cli ]
gyp info using node-gyp@3.8.0
gyp info using node@14.15.1 | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb download using dist-url https://npm.taobao.org/mirrors/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 (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:13:12)
gyp verb `which` failed     at F (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:68:19)
gyp verb `which` failed     at E (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:80:29)
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:89:16
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\index.js:42:5
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:183:21)
gyp verb `which` failed  python2 Error: not found: python2
gyp verb `which` failed     at getNotFoundError (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:13:12)
gyp verb `which` failed     at F (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:68:19)
gyp verb `which` failed     at E (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:80:29)
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:89:16
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\index.js:42:5
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:183:21) {
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 C:\ProgramData\Anaconda3\python.EXE
gyp ERR! configure error
gyp ERR! stack Error: Command failed: C:\ProgramData\Anaconda3\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:308:12)
gyp ERR! stack     at ChildProcess.emit (events.js:315:20)
gyp ERR! stack     at maybeClose (internal/child_process.js:1048:16)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)
gyp ERR! System Windows_NT 10.0.18363
gyp ERR! command "D:\\Node\\node.exe" "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-gyp@3.8.0@node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass
gyp ERR! node -v v14.15.1
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
[npminstall:runscript:error] node-sass@4.13.1 scripts.postinstall run "node scripts/build.js" error: Error [RunScriptError]: Run "C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js" error, exit code 1at ChildProcess.<anonymous> (D:\Nodejs\node_global\node_modules\cnpm\node_modules\runscript\index.js:96:21)at ChildProcess.emit (events.js:315:20)at maybeClose (internal/child_process.js:1048:16)at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5) {stdio: [Object],exitcode: 1
}
× Install fail! RunScriptError: post install error, please remove node_modules before retry!
Run "C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js" error, exit code 1
RunScriptError: Run "C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js" error, exit code 1at ChildProcess.<anonymous> (D:\Nodejs\node_global\node_modules\cnpm\node_modules\runscript\index.js:96:21)at ChildProcess.emit (events.js:315:20)at maybeClose (internal/child_process.js:1048:16)at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)
npminstall version: 3.28.0
npminstall args: D:\Node\node.exe D:\Nodejs\node_global\node_modules\cnpm\node_modules\npminstall\bin\install.js --fix-bug-versions --china --userconfig=C:\Users\fs1688\.cnpmrc --disturl=https://npm.taobao.org/mirrors/node --registry=https://r.npm.taobao.org

3.再进行npm run dev 命令运行时，会显示以下报错信息
3.1 浏览器会显示以下报错信息：

`<% if (process.env.NODE_ENV === ‘production’) { %> <% }else { %> <% } %>

`3.2 终端会显示以下报错信息：

 10% building modules 7/10 modules 3 active ...ites\pets-fast-vue-master\src\main.js(node:13548) Warning: Accessing non-existent property 'cat' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)
(node:13548) Warning: Accessing non-existent property 'cd' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'chmod' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'cp' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'dirs' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'pushd' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'popd' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'echo' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'tempdir' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'pwd' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'exec' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'ls' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'find' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'grep' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'head' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'ln' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'mkdir' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'rm' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'mv' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'sed' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'set' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'sort' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'tail' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'test' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'to' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'toEnd' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'touch' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'uniq' of module exports inside circular dependency
(node:13548) Warning: Accessing non-existent property 'which' of module exports inside circular dependency30% building modules 174/182 modules 8 active ...ites\pets-fast-vue-master\src\App.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.36% building modules 217/258 modules 41 active ...ter\src\components\icon-svg\index.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.37% building modules 233/267 modules 34 active ...\src\views\modules\oss\oss-config.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.38% building modules 234/268 modules 34 active ...-master\src\views\modules\oss\oss.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.38% building modules 235/269 modules 34 active ...\src\views\modules\oss\oss-upload.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.38% building modules 238/271 modules 33 active ...ster\src\views\modules\sys\config.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.39% building modules 244/273 modules 29 active ...\modules\sys\config-add-or-update.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.39% building modules 248/275 modules 27 active ...-master\src\views\modules\sys\log.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.40% building modules 252/277 modules 25 active ...ws\modules\sys\menu-add-or-update.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.40% building modules 258/282 modules 24 active ...master\src\views\modules\sys\menu.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.41% building modules 260/284 modules 24 active ...ws\modules\sys\role-add-or-update.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.41% building modules 265/299 modules 34 active ...master\src\views\modules\sys\role.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.42% building modules 269/302 modules 33 active ...ws\modules\sys\user-add-or-update.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.42% building modules 273/309 modules 36 active ...master\src\views\modules\sys\user.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.49% building modules 325/340 modules 15 active ...er\src\views\modules\job\schedule.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.49% building modules 331/350 modules 19 active ...rc\views\modules\job\schedule-log.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.50% building modules 334/352 modules 18 active ...odules\job\schedule-add-or-update.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.50% building modules 337/354 modules 17 active ...ts-fast-vue-master\src\views\main.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.50% building modules 341/356 modules 15 active ...r\src\views\main-sidebar-sub-menu.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.51% building modules 344/358 modules 14 active ...-vue-master\src\views\main-navbar.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.51% building modules 349/378 modules 29 active ...vue-master\src\views\main-sidebar.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.53% building modules 361/412 modules 51 active ...views\main-navbar-update-password.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.53% building modules 364/414 modules 50 active ...vue-master\src\views\main-content.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.54% building modules 375/425 modules 50 active ...t-vue-master\src\views\common\404.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.55% building modules 376/426 modules 50 active ...-vue-master\src\views\common\home.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.55% building modules 382/434 modules 52 active ...-vue-master\src\views\common\home.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.56% building modules 386/438 modules 52 active ...vue-master\src\views\common\theme.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.56% building modules 390/441 modules 51 active ...vue-master\src\views\demo\echarts.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.57% building modules 393/445 modules 52 active ...vue-master\src\views\demo\ueditor.vueNo parser and no filepath given, using 'babel' the parser now but this will throw an error in the future. Please specify a parser or a filepath so one can be inferred.94% asset optimizationERROR  Failed to compile with 6 errors                                                                        下午3:12:19error  in ./src/views/modules/sys/menu-add-or-update.vueModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.13.1at module.exports (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\binding.js:13:13)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\index.js:14:35)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_sass-loader@6.0.6@sass-loader\lib\loader.js:3:14)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at loadLoader (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_loader-runner@2.4.0@loader-runner\lib\loadLoader.js:18:17)@ ./node_modules/_vue-style-loader@3.0.1@vue-style-loader!./node_modules/_css-loader@0.28.0@css-loader?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-1f28701f","scoped":false,"hasInlineConfig":false}!./node_modules/_sass-loader@6.0.6@sass-loader/lib/loader.js?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/selector.js?type=styles&index=0&bustCache!./src/views/modules/sys/menu-add-or-update.vue 4:14-498 13:3-17:5 14:22-506@ ./src/views/modules/sys/menu-add-or-update.vue@ ./src/views ^\.\/.*\.vue$@ ./src/router/import-development.js@ ./src/router/index.js@ ./src/main.js@ multi ./node_modules/_webpack-dev-server@2.9.1@webpack-dev-server/client?http://localhost:8001 webpack/hot/dev-server babel-polyfill ./src/main.jserror  in ./src/views/common/404.vueModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.13.1at module.exports (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\binding.js:13:13)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\index.js:14:35)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_sass-loader@6.0.6@sass-loader\lib\loader.js:3:14)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at loadLoader (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_loader-runner@2.4.0@loader-runner\lib\loadLoader.js:18:17)@ ./node_modules/_vue-style-loader@3.0.1@vue-style-loader!./node_modules/_css-loader@0.28.0@css-loader?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-6d5efe60","scoped":false,"hasInlineConfig":false}!./node_modules/_sass-loader@6.0.6@sass-loader/lib/loader.js?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/selector.js?type=styles&index=0&bustCache!./src/views/common/404.vue 4:14-471 13:3-17:5 14:22-479@ ./src/views/common/404.vue@ ./src/views ^\.\/.*\.vue$@ ./src/router/import-development.js@ ./src/router/index.js@ ./src/main.js@ multi ./node_modules/_webpack-dev-server@2.9.1@webpack-dev-server/client?http://localhost:8001 webpack/hot/dev-server babel-polyfill ./src/main.jserror  in ./src/views/common/login.vueModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.13.1at module.exports (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\binding.js:13:13)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\index.js:14:35)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_sass-loader@6.0.6@sass-loader\lib\loader.js:3:14)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at loadLoader (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_loader-runner@2.4.0@loader-runner\lib\loadLoader.js:18:17)@ ./node_modules/_vue-style-loader@3.0.1@vue-style-loader!./node_modules/_css-loader@0.28.0@css-loader?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-b6de32fe","scoped":false,"hasInlineConfig":false}!./node_modules/_sass-loader@6.0.6@sass-loader/lib/loader.js?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/selector.js?type=styles&index=0&bustCache!./src/views/common/login.vue 4:14-473 13:3-17:5 14:22-481@ ./src/views/common/login.vue@ ./src/views ^\.\/.*\.vue$@ ./src/router/import-development.js@ ./src/router/index.js@ ./src/main.js@ multi ./node_modules/_webpack-dev-server@2.9.1@webpack-dev-server/client?http://localhost:8001 webpack/hot/dev-server babel-polyfill ./src/main.jserror  in ./src/views/demo/echarts.vueModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.13.1at module.exports (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\binding.js:13:13)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\index.js:14:35)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_sass-loader@6.0.6@sass-loader\lib\loader.js:3:14)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at loadLoader (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_loader-runner@2.4.0@loader-runner\lib\loadLoader.js:18:17)@ ./node_modules/_vue-style-loader@3.0.1@vue-style-loader!./node_modules/_css-loader@0.28.0@css-loader?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-9ec7b6ec","scoped":false,"hasInlineConfig":false}!./node_modules/_sass-loader@6.0.6@sass-loader/lib/loader.js?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/selector.js?type=styles&index=0&bustCache!./src/views/demo/echarts.vue 4:14-475 13:3-17:5 14:22-483@ ./src/views/demo/echarts.vue@ ./src/views ^\.\/.*\.vue$@ ./src/router/import-development.js@ ./src/router/index.js@ ./src/main.js@ multi ./node_modules/_webpack-dev-server@2.9.1@webpack-dev-server/client?http://localhost:8001 webpack/hot/dev-server babel-polyfill ./src/main.jserror  in ./src/views/demo/ueditor.vueModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.13.1at module.exports (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\binding.js:13:13)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\index.js:14:35)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_sass-loader@6.0.6@sass-loader\lib\loader.js:3:14)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at loadLoader (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_loader-runner@2.4.0@loader-runner\lib\loadLoader.js:18:17)@ ./node_modules/_vue-style-loader@3.0.1@vue-style-loader!./node_modules/_css-loader@0.28.0@css-loader?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/style-compiler?{"vue":true,"id":"data-v-36a801b2","scoped":false,"hasInlineConfig":false}!./node_modules/_sass-loader@6.0.6@sass-loader/lib/loader.js?{"sourceMap":false}!./node_modules/_vue-loader@13.3.0@vue-loader/lib/selector.js?type=styles&index=0&bustCache!./src/views/demo/ueditor.vue 4:14-475 13:3-17:5 14:22-483@ ./src/views/demo/ueditor.vue@ ./src/views ^\.\/.*\.vue$@ ./src/router/import-development.js@ ./src/router/index.js@ ./src/main.js@ multi ./node_modules/_webpack-dev-server@2.9.1@webpack-dev-server/client?http://localhost:8001 webpack/hot/dev-server babel-polyfill ./src/main.jserror  in ./src/assets/scss/index.scssModule build failed: Error: Node Sass does not yet support your current environment: Windows 64-bit with Unsupported runtime (83)
For more information on which environments are supported please see:
https://github.com/sass/node-sass/releases/tag/v4.13.1at module.exports (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\binding.js:13:13)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass\lib\index.js:14:35)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at Object.<anonymous> (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_sass-loader@6.0.6@sass-loader\lib\loader.js:3:14)at Module._compile (internal/modules/cjs/loader.js:1063:30)at Object.Module._extensions..js (internal/modules/cjs/loader.js:1092:10)at Module.load (internal/modules/cjs/loader.js:928:32)at Function.Module._load (internal/modules/cjs/loader.js:769:14)at Module.require (internal/modules/cjs/loader.js:952:19)at require (internal/modules/cjs/helpers.js:88:18)at loadLoader (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_loader-runner@2.4.0@loader-runner\lib\loadLoader.js:18:17)@ ./src/assets/scss/index.scss 4:14-272 13:3-17:5 14:22-280@ ./src/main.js@ multi ./node_modules/_webpack-dev-server@2.9.1@webpack-dev-server/client?http://localhost:8001 webpack/hot/dev-server babel-polyfill ./src/main.js

4.原因，是因为npm版本和node版本无法对应node-sass版本 解决办法：
4.1 输入以下命令

npm install node-sass --save-dev
npm install sass-loader --save-dev

或

cnpm install node-sass --save-dev
cnpm install sass-loader --save-dev

4.2 如发现以下命令输入后还是报错，出现以下报错信息

√ Installed 1 packages
√ Linked 17 latest versions
[1/1] scripts.install node-sass@4.13.1 run "node scripts/install.js", root: "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-sass@4.13.1@node-sass"
Downloading binary from https://cdn.npm.taobao.org/dist/node-sass/v4.13.1/win32-x64-83_binding.node
Cannot download "https://cdn.npm.taobao.org/dist/node-sass/v4.13.1/win32-x64-83_binding.node":HTTP error 404 Not FoundHint: If github.com is not accessible in your locationtry setting a proxy via HTTP_PROXY, e.g.export HTTP_PROXY=http://example.com:1234or configure npm proxy vianpm config set proxy http://example.com:8080
[1/1] scripts.install node-sass@4.13.1 finished in 4s
[1/1] scripts.postinstall node-sass@4.13.1 run "node scripts/build.js", root: "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-sass@4.13.1@node-sass"
Building: D:\Node\node.exe C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-gyp@3.8.0@node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [
gyp verb cli   'D:\\Node\\node.exe',
gyp verb cli   'C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-gyp@3.8.0@node-gyp\\bin\\node-gyp.js',
gyp verb cli   'rebuild',
gyp verb cli   '--verbose',
gyp verb cli   '--libsass_ext=',
gyp verb cli   '--libsass_cflags=',
gyp verb cli   '--libsass_ldflags=',
gyp verb cli   '--libsass_library='
gyp verb cli ]
gyp info using node-gyp@3.8.0
gyp info using node@14.15.1 | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb download using dist-url https://npm.taobao.org/mirrors/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 (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:13:12)
gyp verb `which` failed     at F (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:68:19)
gyp verb `which` failed     at E (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:80:29)
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:89:16
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\index.js:42:5
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:183:21)
gyp verb `which` failed  python2 Error: not found: python2
gyp verb `which` failed     at getNotFoundError (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:13:12)
gyp verb `which` failed     at F (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:68:19)
gyp verb `which` failed     at E (C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:80:29)
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_which@1.3.1@which\which.js:89:16
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\index.js:42:5
gyp verb `which` failed     at C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_isexe@2.0.0@isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:183:21) {
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 C:\ProgramData\Anaconda3\python.EXE
gyp ERR! configure error
gyp ERR! stack Error: Command failed: C:\ProgramData\Anaconda3\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:308:12)
gyp ERR! stack     at ChildProcess.emit (events.js:315:20)
gyp ERR! stack     at maybeClose (internal/child_process.js:1048:16)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)
gyp ERR! System Windows_NT 10.0.18363
gyp ERR! command "D:\\Node\\node.exe" "C:\\Users\\fs1688\\Desktop\\代做论文\\reallyProject\\petsWebsites\\pets-fast-vue-master\\node_modules\\_node-gyp@3.8.0@node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Users\fs1688\Desktop\代做论文\reallyProject\petsWebsites\pets-fast-vue-master\node_modules\_node-sass@4.13.1@node-sass
gyp ERR! node -v v14.15.1
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
[npminstall:runscript:error] node-sass@4.13.1 scripts.postinstall run "node scripts/build.js" error: Error [RunScriptError]: Run "C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js" error, exit code 1at ChildProcess.<anonymous> (D:\Nodejs\node_global\node_modules\cnpm\node_modules\runscript\index.js:96:21)at ChildProcess.emit (events.js:315:20)at maybeClose (internal/child_process.js:1048:16)at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5) {stdio: [Object],exitcode: 1
}
× Install fail! RunScriptError: post install error, please remove node_modules before retry!
Run "C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js" error, exit code 1
RunScriptError: Run "C:\WINDOWS\system32\cmd.exe /d /s /c node scripts/build.js" error, exit code 1at ChildProcess.<anonymous> (D:\Nodejs\node_global\node_modules\cnpm\node_modules\runscript\index.js:96:21)at ChildProcess.emit (events.js:315:20)at maybeClose (internal/child_process.js:1048:16)at Process.ChildProcess._handle.onexit (internal/child_process.js:288:5)
npminstall version: 3.28.0
npminstall args: D:\Node\node.exe D:\Nodejs\node_global\node_modules\cnpm\node_modules\npminstall\bin\install.js --fix-bug-versions --china --userconfig=C:\Users\fs1688\.cnpmrc --disturl=https://npm.taobao.org/mirrors/node --registry=https://r.npm.taobao.org node-sass --save-dev

4.3 这时候说明你的电脑已经安装过node-sass，导致冲突，再次安装时冲突
4.4 打开自己电脑，进入安装node-sass目录下

4.5 再打开这个项目的 node_modeules目录下的 node-sas目录下的package.json文件，查看node-sass的版本号


4.5 1.将package.json中的版本号4.13.1 改为 你安装好上午node-sass版本号，2.在自己项目的package.json文件的版本号也同时改为安装好上午node-sass版本号，然后保存即可
注意：两个package.json文件，前者是node-sass文件夹下面的package.json文件，后者是你整个项目下的package.json文件

4.6 再将node-sass文件下的node_modeules文件删除保存

后者：

4.7 进入这个项目的终端，重新输入：cnpm install 或 npm install ，出现下面的情况即可


4.8 在这个项目的终端，重新输入：

npm install node-sass --save-dev
npm install sass-loader --save-dev

或

cnpm install node-sass --save-dev
cnpm install sass-loader --save-dev

即可，成功后返回下面情况

4.9 在终端重新输入：npm run dev 即可运行成功

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