一 ：源码安装
$ mkdir -p /usr/local/nvm$ git clone https://github.com/nvm-sh/nvm.git /usr/local/nvm
$ cd/usr/local/nvm
//安装 $ ./install.sh //添加淘宝镜像地址 $ export NVM_NODEJS_ORG_MIRROR=https://npm.taobao.org/dist //重启配置文件 $ source ~/.bash_profile
//安装node.js $ nvm install 10.16.2