当我安装量角器时，出现以下错误：
C:\Users\andreir\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate>node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild
Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\Microsoft.Cpp.InvalidPlatform.Targets(23,7): error MSB8007: The Platform for project 'validation.vcxproj' is invalid. Platform='x64'. You may be seeing this message because you are trying to build a project without a solution file, and have specified a non-default Platform that doesn't exist for this project. [C:\Users\andreir\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate\build\validation.vcxproj]
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 (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\build.js:267:23)
gyp ERR! stack at ChildProcess.emit (events.js:98:17)
gyp ERR! stack at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Windows_NT 6.2.9200
gyp ERR! command "node" "C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
gyp ERR! cwd C:\Users\andreir\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate
gyp ERR! node -v v0.10.38
gyp ERR! node-gyp -v v1.0.1
gyp ERR! not ok
我不明白erorr在哪里...
我有（相关）：Windows 8.1 pro x64，Python 2.7.10，VS 2012 Pro
就像错误所说的那样，该问题是由于编译utf-8-validate所需的模块所致WebSocket。selenium-webdriver
node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate
编译器无法找到x64的项目配置
The Platform for project 'validation.vcxproj' is invalid. Platform='x64'
在此Github问题中，解决方案是重新安装VisualStudio和Windows SDK。
无论如何，这是一个可选的依赖项，因此您可以在运行时不使用它，而无需担心
npm install --no-optional
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我来说两句