npm命令笔记

查看配置文件路径

$ npm config get userconfig//用户配置
$ npm config get globalconfig//全局配置

查看设置

$ npm config  ls
$ npm config  ls -l

删除代理

$ npm config delete proxy
$ npm config delete https-proxy

设置代理

$ npm config set proxy http://server:port
$ npm config set https-proxy http://server:port
$ npm config set proxy http://username:password@server:port
$ npm config set https-proxy http://username:pawword@server:port

install依赖包

$ npm install express
$ npm install express -g

update依赖包

$ npm update 
$ npm update express
$ npm update express -g

uninstall依赖包

$ npm uninstall express

其他命令

npm -v 
npm list 

关于node版本更新
对于window用户--重新安装覆盖
对于mac用户

$ node -v
$ sudo npm cache clean -f
$ sudo npm install -g n
$ sudo n stable
//$ sudo  n v9.2.0
$ node -v
$ which node