设置http代理和https代理

npm config set proxy http://代理服务器地址:端口号
npm config set https-proxy http://代理服务器地址:端口号

# 示例:
npm config set proxy http://127.0.0.1:10809
npm config set https-proxy http://127.0.0.1:10809

代理服务的用户名和密码（可选）

npm config set proxy http://用户名:密码@代理服务器地址:端口号
npm confit set https-proxy http://用户名:密码@代理服务器地址:端口号

删除代理设置

npm config delete proxy
npm config delete https-proxy

查看现有代理

npm config get proxy
npm confit set https-proxy