npm node 环境配置，常用命令
npm 相关
npm源配置
npmjs源
npm config set registry=https://registry.npmjs.org
淘宝源
npm config set registry=https://registry.npmmirror.com
cnpm 淘宝镜像安装
npm install -g cnpm --registry=https://registry.npm.taobao.org
yarn 设置代理
yarn config set https-proxy http://127.0.0.1:10809
yarn config set proxy http://127.0.0.1:10809
yarn config delete proxy
yarn config delete https-proxy
npm 设置代理
npm config set proxy http://username:password@server:port
npm config set https-proxy http://username:password@server:port
npm config set proxy http://127.0.0.1:10809
npm config set https-proxy http://127.0.0.1:10809
npm config delete proxy
npm config delete https-proxy
