Teach you step by step how to use nvm to switch node versions based on Windows system

What is nvm and why should I use it?

nvm (node ​​version management) is a node version management tool.
Develop different projects with different node environment requirements. If we need to switch node versions, we need to use it~

Installation process

Go to the official address to download the package

https://github.com/coreybutler/nvm-windows/releases

Installation, please note that the installation path cannot contain spaces or Chinese characters.

Configure mirror source

Find the location of the nvm file, click on setting, and enter the following address

node_mirror: https://npm.taobao.org/mirrors/node/
npm_mirror: https://npm.taobao.org/mirrors/npm/

use

Uninstall node.js first

Open cmd in the nvm file location and check the installable node version of nvm

nvm ls                      // 看安装的所有node.js的版本
nvm list available          // 查显示可以安装的所有node.js的版本
nvm install 版本号          // 例如：nvm install 14.19.0

Common command memo

nvm nvm list 是查找本电脑上所有的node版本
nvm list 查看已经安装的版本
nvm list installed 查看已经安装的版本
nvm list available 查看网络可以安装的版本
nvm install 安装最新版本nvm
nvm use <version> ## 切换使用指定的版本node
nvm ls 列出所有版本
nvm current显示当前版本
nvm alias <name> <version> ## 给不同的版本号添加别名
nvm unalias <name> ## 删除已定义的别名
nvm reinstall-packages <version> ## 在当前版本node环境下，重新全局安装指定版本号的npm包
nvm on 打开nodejs控制
nvm off 关闭nodejs控制
nvm proxy 查看设置与代理
nvm node_mirror [url] 设置或者查看setting.txt中的node_mirror，如果不设置的默认是 https://nodejs.org/dist/
nvm npm_mirror [url] 设置或者查看setting.txt中的npm_mirror,如果不设置的话默认的是： https://github.com/npm/npm/archive/.
nvm uninstall <version> 卸载制定的版本
nvm use [version] [arch] 切换制定的node版本和位数
nvm root [path] 设置和查看root路径
nvm version 查看当前的版本

If npm does not work after nvm is installed, for example:

npm : The term 'npm' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is 
correct and try again.
At line:1 char:1
+ npm install
+ ~~~
    + CategoryInfo          : ObjectNotFound: (npm:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

solution:

1. To uninstall nodejs, be sure to uninstall it cleanly
2. Reinstall nvm
3. If it still doesn’t work, try this method
   Address:Use GNVM to switch node versions based on Windows system

That’s all for today~

• Friends, (￣ω￣(￣ω￣〃 (￣ω￣〃)ゝSee you tomorrow~~
• Everyone, please be happy every day

Everyone is welcome to point out areas that need correction in the article~
There is no end to learning and win-win cooperation

Welcome the brothers and sisters passing by to give better opinions~~