npm config set <key> <value> [-g|--global]
- 設置代理
npm config set proxy http://username:password@ip:port
npm config delete proxy - 設置鏡像地址
npm config set registry http://registry.npmjs.org
淘寶鏡像：https://registry.npm.taobao.org/ - 設置緩存路徑
npm config set cache "D:\nodejs\node_cache" - 設置全局目錄
npm config set prefix "D:\nodejs\node_global"
