如何安装nodeJS环境 How to install nodeJS env

摘要(Summary)

win & linux 安装nodeJS， 使用nvm管理不同版本nodeJS， 国内npm加速
win&linux install nodejs, use NVM manage diff version nodejs, speed up download in chinese

nvm简介( nvm intro)

nvm可以管理不同版本nodejs，不影响系统。win系统使用nvwm替代nvm
NVM can manage different version of nodejs, make your OS clean. BTW, windows use nvwm instead

shell代码如下(linux或OSX)

git clone https://github.com/creationix/nvm.git
source nvm/nvm.sh
#国内用户运行下面一条(chinese user need below statement)
NVM_NODEJS_ORG_MIRROR=https://npm.taobao.org/mirrors/node
#安装node-v6(Install nodejs-v6)
nvm install 6

win系统 (If use windows)

#如果win用户没装gitbash，可以直接下载zip文件解压(If windows user didn't install gitbash, you can download zip file by http)
 git clone https://github.com/hakobera/nvmw.git
#设置 d:\git\nvmw 目录到你的 PATH 环境变量中(add path)
set "PATH=d:\git\nvmw;%PATH%"
#加速npm从国内下载(speed up your npm in chinese)
set "NVMW_NODEJS_ORG_MIRROR=https://npm.taobao.org/mirrors/node"
nvm install 6

国内npm加速(speed up your npm in chinese)

npm是nodejs的包管理工具，类似apt-get。但是默认是从国外下载包，所以使用的时候可以选择国内镜像加速。
(npm is a package management tool of nodejs, like apt-get in debain. But by default it download from ocean website, so you can choose to speed your npm up)

简单可以每次运行npm install的时候加registry参数。(simplely add registry arg when you run npm install )

npm --registry=https://registry.npm.taobao.org install koa

但是每次都要输registry很麻烦。可以加入环境变量ENV(linux)/PATH(win)里面(If you don’t want to type resigisty everytime, you can add it in ENV/PATH )

export NVM_NODEJS_ORG_MIRROR=https://npm.taobao.org/mirrors/node