安装node-sass使用node版本不能太高，否则会报错
checking for Python executable "C:\Program Files\python" in the PATH
下载cnpm：
npm install cnpm -g --registry=https://registry.npm.taobao.org
cnpm install --save-dev sass-loader node-sass
标签：node,npm,sass,cnpm,--,registry,安装 From： https://www.cnblogs.com/eternality/p/17164307.html