node-sass 安装失败的各种坑

开始的时候引入别人的一个项目

npm install

npm run dev 启动项目

报错

> node build/dev-server.js
 
 
Listening at http://localhost:8888
 
 
webpack: wait until bundle finished: /index.html
webpack built 5301489d16ee90d86896 in 3165ms
Hash: 5301489d16ee90d86896
Version: webpack 1.15.0
Time: 3165ms
 Asset     Size  Chunks       Chunk Names
app.js  1.96 MB       0       app
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./src/common/scss/index.scss 4:14-124 13:2-17:4 14:20-130
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-e0c3a2e6!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/App.vue 4:14-240 13:2-17:4 14:20-246
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-690f3aee&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/ratings/ratings.vue 4:14-280 13:2-17:4 14:20-286
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-2ac60e2e&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/goods/goods.vue 4:14-278 13:2-17:4 14:20-284
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-17cac44c&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/seller/seller.vue 4:14-279 13:2-17:4 14:20-285
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-108aa294&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/split/split.vue 4:14-278 13:2-17:4 14:20-284
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-13f047fa&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/star/star.vue 4:14-277 13:2-17:4 14:20-283
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-bbdb154c&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/ratingselect/ratingselect.vue 4:14-285 13:2-17:4 14:20-291
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-652a5408&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/cartcontrol/cartcontrol.vue 4:14-284 13:2-17:4 14:20-290
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-1728dbcc&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/header/header.vue 4:14-279 13:2-17:4 14:20-285
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-40efc97a&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/shopcart/shopcart.vue 4:14-281 13:2-17:4 14:20-287
 
 
ERROR in Cannot find module ‘node-sass‘
 @ ./~/vue-style-loader!./~/css-loader!./~/vue-loader/lib/style-rewriter.js?id=data-v-617e6f7a&scoped=true!./~/sass-loader!./~/vue-loader/lib/selector.js?type=styles&index=0!./src/components/food/food.vue 4:14-277 13:2-17:4 14:20-283
Child html-webpack-plugin for "index.html":
         Asset     Size  Chunks       Chunk Names
    index.html  1.47 MB       0
webpack: Failed to compile.

npm i node-sass -s安装
报错

E:\kibana>npm install node-sass
 
> node-sass@3.8.0 install E:\kibana\node_modules\node-sass
> node scripts/install.js
Cannot download "https://github.com/sass/node-sass/releases/download/v3.8.0/win3
2-x64-48_binding.node":
tunneling socket could not be established, cause=socket hang up
Hint: If github.com is not accessible in your location
      try setting a proxy via HTTP_PROXY, e.g.
      export HTTP_PROXY=http://example.com:1234
or configure npm proxy via
      npm config set proxy http://example.com:8080
> node-sass@3.8.0 postinstall E:\kibana\node_modules\node-sass
> node scripts/build.js
Building: D:\Program Files\nodejs\node.exe E:\kibana\node_modules\node-gyp\bin\n
ode-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags=
 --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [ ‘D:\\Program Files\\nodejs\\node.exe‘,
gyp verb cli   ‘E:\\kibana\\node_modules\\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 info using node-gyp@3.6.0
gyp info using node@6.2.0 | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
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 (E:\kibana\node_modules\which\wh
ich.js:13:12)
gyp verb `which` failed     at F (E:\kibana\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (E:\kibana\node_modules\which\which.js:80:29)
gyp verb `which` failed     at E:\kibana\node_modules\which\which.js:89:16
gyp verb `which` failed     at E:\kibana\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at E:\kibana\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqWrap.oncomplete (fs.js:117:15)
gyp verb `which` failed  python2 { Error: not found: python2
gyp verb `which` failed     at getNotFoundError (E:\kibana\node_modules\which\wh
ich.js:13:12)
gyp verb `which` failed     at F (E:\kibana\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (E:\kibana\node_modules\which\which.js:80:29)
gyp verb `which` failed     at E:\kibana\node_modules\which\which.js:89:16
gyp verb `which` failed     at E:\kibana\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at E:\kibana\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqWrap.oncomplete (fs.js:117:15) code: ‘ENOENT
‘ }
gyp verb check python checking for Python executable "python" in the PATH
gyp verb `which` succeeded python C:\Python27\python.EXE
gyp verb check python version `C:\Python27\python.EXE -c "import platform; print
(platform.python_version());"` returned: "2.7.12\r\n"
gyp verb get node dir no --target version specified, falling back to host node v
ersion: 6.2.0
gyp verb command install [ ‘6.2.0‘ ]
gyp verb install input version string "6.2.0"
gyp verb install installing version: 6.2.0
gyp verb install --ensure was passed, so won‘t reinstall if already installed
gyp verb install version is already installed, need to check "installVersion"
gyp verb got "installVersion" 9
gyp verb needs "installVersion" 9
gyp verb install version is good
gyp verb get node dir target node version installed: 6.2.0
gyp verb build dir attempting to create "build" dir: E:\kibana\node_modules\node
-sass\build
gyp verb build dir "build" dir needed to be created? E:\kibana\node_modules\node
-sass\build
gyp verb Not using VS2017: Could not use PowerShell to find VS2017
gyp verb build/config.gypi creating config file
gyp verb build/config.gypi writing out config file: E:\kibana\node_modules\node-
sass\build\config.gypi
gyp verb config.gypi checking for gypi file: E:\kibana\node_modules\node-sass\co
nfig.gypi
gyp verb common.gypi checking for gypi file: E:\kibana\node_modules\node-sass\co
mmon.gypi
gyp verb gyp gyp format was not specified; forcing "msvs"
gyp info spawn C:\Python27\python.EXE
gyp info spawn args [ ‘E:\\kibana\\node_modules\\node-gyp\\gyp\\gyp_main.py‘,
gyp info spawn args   ‘binding.gyp‘,
gyp info spawn args   ‘-f‘,
gyp info spawn args   ‘msvs‘,
gyp info spawn args   ‘-G‘,
gyp info spawn args   ‘msvs_version=auto‘,
gyp info spawn args   ‘-I‘,
gyp info spawn args   ‘E:\\kibana\\node_modules\\node-sass\\build\\config.gypi‘,
gyp info spawn args   ‘-I‘,
gyp info spawn args   ‘E:\\kibana\\node_modules\\node-gyp\\addon.gypi‘,
gyp info spawn args   ‘-I‘,
gyp info spawn args   ‘C:\\Users\\15061857\\.node-gyp\\6.2.0\\include\\node\\com
mon.gypi‘,
gyp info spawn args   ‘-Dlibrary=shared_library‘,
gyp info spawn args   ‘-Dvisibility=default‘,
gyp info spawn args   ‘-Dnode_root_dir=C:\\Users\\15061857\\.node-gyp\\6.2.0‘,
gyp info spawn args   ‘-Dnode_gyp_dir=E:\\kibana\\node_modules\\node-gyp‘,
gyp info spawn args   ‘-Dnode_lib_file=node.lib‘,
gyp info spawn args   ‘-Dmodule_root_dir=E:\\kibana\\node_modules\\node-sass‘,
gyp info spawn args   ‘-Dnode_engine=v8‘,
gyp info spawn args   ‘--depth=.‘,
gyp info spawn args   ‘--no-parallel‘,
gyp info spawn args   ‘--generator-output‘,
gyp info spawn args   ‘E:\\kibana\\node_modules\\node-sass\\build‘,
gyp info spawn args   ‘-Goutput_dir=.‘ ]
gyp verb command build []
gyp verb build type Release
gyp verb architecture x64
gyp verb node dev dir C:\Users\15061857\.node-gyp\6.2.0
gyp verb found first Solution file build/binding.sln
gyp verb could not find "msbuild.exe" in PATH - finding location in registry
gyp verb "Release" dir needed to be created? null
gyp verb copying "node.lib" for x64 C:\Users\15061857\.node-gyp\6.2.0\Release\no
de.lib
gyp info spawn C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
gyp info spawn args [ ‘build/binding.sln‘,
gyp info spawn args   ‘/nologo‘,
gyp info spawn args   ‘/p:Configuration=Release;Platform=x64‘ ]
Build started 2017/4/15 11:57:06.
Project "E:\kibana\node_modules\node-sass\build\binding.sln" on node 1 (default
 targets).
ValidateSolutionConfiguration:
  Building solution configuration "Release|x64".
MSBUILD : error MSB3428: 未能加载 Visual C++ 组件“VCBuild.exe”。要解决此问题，
1) 安装 .NET Fram
ework 2.0 SDK；2) 安装 Microsoft Visual Studio 2005；或 3) 如果将该组件安装到了
其他位置，请将其位置添加到系统
路径中。 [E:\kibana\node_modules\node-sass\build\binding.sln]
Done Building Project "E:\kibana\node_modules\node-sass\build\binding.sln" (def
ault targets) -- FAILED.
Build FAILED.
"E:\kibana\node_modules\node-sass\build\binding.sln" (default target) (1) ->
(_src_\libsass target) ->
  MSBUILD : error MSB3428: 未能加载 Visual C++ 组件“VCBuild.exe”。要解决此问题
，1) 安装 .NET Fr
amework 2.0 SDK；2) 安装 Microsoft Visual Studio 2005；或 3) 如果将该组件安装到
了其他位置，请将其位置添加到
系统路径中。 [E:\kibana\node_modules\node-sass\build\binding.sln]
    0 Warning(s)
    1 Error(s)
Time Elapsed 00:00:00.23
gyp ERR! build error
gyp ERR! stack Error: `C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onExit (E:\kibana\node_modules\node-gyp\lib\b
uild.js:285:23)
gyp ERR! stack     at emitTwo (events.js:106:13)
gyp ERR! stack     at ChildProcess.emit (events.js:191:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_proces
s.js:204:12)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "D:\\Program Files\\nodejs\\node.exe" "E:\\kibana\\node_modules
\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_
cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd E:\kibana\node_modules\node-sass
gyp ERR! node -v v6.2.0
gyp ERR! node-gyp -v v3.6.0
gyp ERR! not ok
Build failed
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\ba
bel-cli\node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@
1.1.1: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}
)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\ch
okidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@
1.1.1: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}
)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\wa
tchpack\node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@
1.1.1: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"}
)
npm WARN grunt-angular-translate@0.3.0 requires a peer of grunt@~0.4.0 but none
was installed.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@3.8.0 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@3.8.0 postinstall script ‘node scripts/build.js
‘.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the node-sass package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node scripts/build.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs node-sass
npm ERR! Or if that isn‘t available, you can get their info via:
npm ERR!     npm owner ls node-sass
npm ERR! There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\15061857\AppData\Roaming\npm-cache\_logs\2017-04-15T03_57_
07_545Z-debug.log

百度了很久 ，最后 gyp ERR! build error 应该是没有安装什么

解决办法：
主要是windows平台缺少编译环境，
1、先运行： npm install -g node-gyp
2、然后运行：运行 npm install --global --production windows-build-tools 可以自动安装跨平台的编译器：gym注：第二句执行下载好msi文件卡着不懂不安装 ， 手动去对应的目录底下安装一下 在执行一边。
本以为万事大吉 一执行 npm install node-sass --save-dev 悲剧的事情上演了

> node-sass@3.13.1 install E:\web_hwf\Vue\02app\node_modules\node-sass
 
> node scripts/install.js
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":
HTTP error 404 Not Found
Hint: If github.com is not accessible in your location
      try setting a proxy via HTTP_PROXY, e.g.
      export HTTP_PROXY=http://example.com:1234
or configure npm proxy via
      npm config set proxy http://example.com:8080
> node-sass@3.13.1 postinstall E:\web_hwf\Vue\02app\node_modules\node-sass
> node scripts/build.js
Building: E:\26_nodejs\node.exe E:\web_hwf\Vue\02app\node_modules\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 [ ‘E:\\26_nodejs\\node.exe‘,
gyp verb cli   ‘E:\\web_hwf\\Vue\\02app\\node_modules\\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 info using node-gyp@3.6.2
gyp info using node@10.1.0 | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb check python checking for Python executable "C:\Python27\python.exe" in the PATH
gyp verb `which` succeeded C:\Python27\python.exe C:\Python27\python.exe
gyp verb check python version `C:\Python27\python.exe -c "import platform; print(platform.python_version());"` returned: "2.7.14\r\n"
gyp verb get node dir no --target version specified, falling back to host node version: 10.1.0
gyp verb command install [ ‘10.1.0‘ ]
gyp verb install input version string "10.1.0"
gyp verb install installing version: 10.1.0
gyp verb install --ensure was passed, so won‘t reinstall if already installed
gyp verb install version is already installed, need to check "installVersion"
gyp verb got "installVersion" 9
gyp verb needs "installVersion" 9
gyp verb install version is good
gyp verb get node dir target node version installed: 10.1.0
gyp verb build dir attempting to create "build" dir: E:\web_hwf\Vue\02app\node_modules\node-sass\build
gyp verb build dir "build" dir needed to be created? E:\web_hwf\Vue\02app\node_modules\node-sass\build
gyp verb build/config.gypi creating config file
gyp verb build/config.gypi writing out config file: E:\web_hwf\Vue\02app\node_modules\node-sass\build\config.gypi
gyp verb config.gypi checking for gypi file: E:\web_hwf\Vue\02app\node_modules\node-sass\config.gypi
gyp verb common.gypi checking for gypi file: E:\web_hwf\Vue\02app\node_modules\node-sass\common.gypi
gyp verb gyp gyp format was not specified; forcing "msvs"
gyp info spawn C:\Python27\python.exe
gyp info spawn args [ ‘E:\\web_hwf\\Vue\\02app\\node_modules\\node-gyp\\gyp\\gyp_main.py‘,
gyp info spawn args   ‘binding.gyp‘,
gyp info spawn args   ‘-f‘,
gyp info spawn args   ‘msvs‘,
gyp info spawn args   ‘-G‘,
gyp info spawn args   ‘msvs_version=2015‘,
gyp info spawn args   ‘-I‘,
gyp info spawn args   ‘E:\\web_hwf\\Vue\\02app\\node_modules\\node-sass\\build\\config.gypi‘,
gyp info spawn args   ‘-I‘,
gyp info spawn args   ‘E:\\web_hwf\\Vue\\02app\\node_modules\\node-gyp\\addon.gypi‘,
gyp info spawn args   ‘-I‘,
gyp info spawn args   ‘C:\\Users\\Administrator\\.node-gyp\\10.1.0\\include\\node\\common.gypi‘,
gyp info spawn args   ‘-Dlibrary=shared_library‘,
gyp info spawn args   ‘-Dvisibility=default‘,
gyp info spawn args   ‘-Dnode_root_dir=C:\\Users\\Administrator\\.node-gyp\\10.1.0‘,
gyp info spawn args   ‘-Dnode_gyp_dir=E:\\web_hwf\\Vue\\02app\\node_modules\\node-gyp‘,
gyp info spawn args   ‘-Dnode_lib_file=C:\\Users\\Administrator\\.node-gyp\\10.1.0\\<(target_arch)\\node.lib‘,
gyp info spawn args   ‘-Dmodule_root_dir=E:\\web_hwf\\Vue\\02app\\node_modules\\node-sass‘,
gyp info spawn args   ‘-Dnode_engine=v8‘,
gyp info spawn args   ‘--depth=.‘,
gyp info spawn args   ‘--no-parallel‘,
gyp info spawn args   ‘--generator-output‘,
gyp info spawn args   ‘E:\\web_hwf\\Vue\\02app\\node_modules\\node-sass\\build‘,
gyp info spawn args   ‘-Goutput_dir=.‘ ]
gyp verb command build []
gyp verb build type Release
gyp verb architecture x64
gyp verb node dev dir C:\Users\Administrator\.node-gyp\10.1.0
gyp verb found first Solution file build/binding.sln
gyp verb could not find "msbuild.exe" in PATH - finding location in registry
gyp info spawn C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
gyp info spawn args [ ‘build/binding.sln‘,
gyp info spawn args   ‘/nologo‘,
gyp info spawn args   ‘/p:Configuration=Release;Platform=x64‘ ]
Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
Build started 2018/6/6 15:52:53.
Project "E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.sln" on node 1 (default targets).
ValidateSolutionConfiguration:
  Building solution configuration "Release|x64".
Project "E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.sln" (1) is building "E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.vcxproj.metaproj" (2) on node 1 (default targets).
Project "E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.vcxproj.metaproj" (2) is building "E:\web_hwf\Vue\02app\node_modules\node-sass\build\src\libsass.vcxproj" (3) on node 1 (default targets).
E:\web_hwf\Vue\02app\node_modules\node-sass\build\src\libsass.vcxproj(20,3): error MSB4019: The imported project "E:\Microsoft.Cpp.Default.props" was not found. Confirm that the path in the <Import> declaration is correct, and that the file exists on disk.
Done Building Project "E:\web_hwf\Vue\02app\node_modules\node-sass\build\src\libsass.vcxproj" (default targets) -- FAILED.
Done Building Project "E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.vcxproj.metaproj" (default targets) -- FAILED.
Done Building Project "E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.sln" (default targets) -- FAILED.
Build FAILED.
"E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.sln" (default target) (1) ->
"E:\web_hwf\Vue\02app\node_modules\node-sass\build\binding.vcxproj.metaproj" (default target) (2) ->
"E:\web_hwf\Vue\02app\node_modules\node-sass\build\src\libsass.vcxproj" (default target) (3) ->
  E:\web_hwf\Vue\02app\node_modules\node-sass\build\src\libsass.vcxproj(20,3): error MSB4019: The imported project "E:\Microsoft.Cpp.Default.props" was not found. Confirm that the path in the <Import> declaration is correct, and that the file exists on disk.
    0 Warning(s)
    1 Error(s)
Time Elapsed 00:00:00.07
gyp ERR! build error
gyp ERR! stack Error: `C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onExit (E:\web_hwf\Vue\02app\node_modules\node-gyp\lib\build.js:258:23)
gyp ERR! stack     at ChildProcess.emit (events.js:182:13)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:235:12)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "E:\\26_nodejs\\node.exe" "E:\\web_hwf\\Vue\\02app\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd E:\web_hwf\Vue\02app\node_modules\node-sass
gyp ERR! node -v v10.1.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
Build failed with error code: 1
npm WARN rollback Rolling back source-map@0.4.4 failed (this is probably harmless): EPERM: operation not permitted, lstat ‘E:\web_hwf\Vue\02app\node_modules\scss-tokenizer\node_modules‘
npm WARN eslint-config-standard@6.2.1 requires a peer of eslint-plugin-promise@>=3.3.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.4 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@3.13.1 postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@3.13.1 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\Administrator\AppData\Roaming\npm-cache\_logs\2018-06-06T07_52_55_703Z-debug.log

解决办法：
保存后 删除之前安装失败的包(第一次安装请跳过此步)
npm uninstall node-sass

重新安装
npm install node-sass