https://nodejs.org/en/download/stable/
下载完成后 安装便可node
http://npm.taobao.org/
npm install -g cnpm --registry=https://registry.npm.taobao.org
alias cnpm="npm --registry=https://registry.npm.taobao.org \
--cache=$HOME/.npm/.cache/cnpm \ --disturl=https://npm.taobao.org/dist \ --userconfig=$HOME/.cnpmrc"
# Or alias it in .bashrc or .zshrc
#若是安装了zsh
$ echo '\n#alias for cnpm\nalias cnpm="npm --registry=https://registry.npm.taobao.org \
--cache=$HOME/.npm/.cache/cnpm \ --disturl=https://npm.taobao.org/dist \ --userconfig=$HOME/.cnpmrc"' >> ~/.zshrc && source ~/.zshrc