windows下node多版本管理NVM安装

nvm-windows 最新下载地址：
https://github.com/coreybutler/nvm-windows/releases

注意事项

• 选择nvm安装的路径中最好不要出现空格和中文
• 如果之前安装过node环境需要先卸载

安装完nvm之后输入nvm list如下：

PS C:\Users\Administrator\Desktop\nodejs> nvm list

No installations recognized.

安装node

1. 运行nvm install 8.11.4 64-bit

   PS C:\Users\Administrator\Desktop\nodejs> nvm install 8.11.4 64-bit
   Downloading node.js version 8.11.4 (64-bit)...
   Complete
   Creating D:\Node\nvm\temp
   
   Downloading npm version 5.6.0... Complete
   Installing npm v5.6.0...
   
   Installation complete. If you want to use this version, type
   
   nvm use 8.11.4

2. 运行nvm use 8.11.4,使用8.11.4版本的node环境

   PS C:\Users\Administrator\Desktop\nodejs> nvm use 8.11.4
   Now using node v8.11.4 (64-bit)

   查看当前node

   PS C:\Users\Administrator\Desktop\nodejs> node -v
   v8.11.4
   PS C:\Users\Administrator\Desktop\nodejs> npm -v
   5.6.0