node.js - 创建新的 Angular 7 项目时出现问题

Question

使用 Angular cli 创建新项目时出错。尝试了 npm clear cache --force 并手动删除了 npm 缓存文件夹。它们都不起作用。

连接互联网无需代理

ng 新的 testapp--路由

> node-sass@4.11.0 install C:\Users\user\testapp\node_modules\node-sass
> node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.11.0/win32-x64-72_binding.node
Cannot download "https://github.com/sass/node-sass/releases/download/v4.11.0/win32-x64-72_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@4.11.0 postinstall C:\Users\user\testapp\node_modules\node-sass
> node scripts/build.js

Building: C:\Program Files\nodejs\node.exe C:\Users\user\testapp\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 [
gyp verb cli   'C:\\Program Files\\nodejs\\node.exe',
gyp verb cli   'C:\\Users\\user\\testapp\\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 verb cli ]
gyp info using node-gyp@3.8.0
gyp info using node@12.0.0 | 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 ```

Answer 1

只需创建新项目: ng 新的测试应用程序 然后删除您的 Angular cli 并清除缓存，然后再次

npm install -g @angular/cli

构建并运行您的项目。