npm 镜像切换

npm install --save node-sass --registry=https://registry.npm.taobao.org \
--disturl=https://npm.taobao.org/dist --sass-binary-site=http://npm.taobao.org/mirrors/node-sass

或者 

先改变本机的sass下载的数据源

npm config set sass-binary-site http://npm.taobao.org/mirrors/node-sass

然后 安装 

npm i node-sass -S

 

 

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npm更换成淘宝的源

npm config set registry https://registry.npm.taobao.org 

– 配置后可通过下面方式来验证是否成功 

npm config get registry

切换为原始url：

​​​​​​​npm config set registry  https://registry.npmjs.org