1、下载nodejs LTS版
2、环境变量设置
PATH=%NODE_HOME%:%PATH%
3、npm设置
全局目录: npm config set prefix "E:/programs/node/node-global"
缓存目录: npm config set cache "E:/programs/node/node-cache"
镜像地址: npm config set registry https://registry.npmmirror.com
特定包镜像设置（解决二进制包下载问题）
# node-sass 镜像
npm config set sass_binary_site https://npmmirror.com/mirrors/node-sass
npm config set node_sass_binary_site https://npmmirror.com/mirrors/node-sass
# electron 镜像
npm config set node_electron_mirror https://npmmirror.com/mirrors/electron/
# puppeteer 镜像
npm config set node_puppeteer_download_host https://npmmirror.com/mirrors
