npm config set <key> <value> [-g|--global]
- 设置代理
npm config set proxy http://username:password@ip:port
npm config delete proxy - 设置镜像地址
npm config set registry http://registry.npmjs.org
淘宝镜像：https://registry.npm.taobao.org/ - 设置缓存路径
npm config set cache "D:\nodejs\node_cache" - 设置全局目录
npm config set prefix "D:\nodejs\node_global"
