NVM installation and use

nvm Installation and use of

​ Because in different projects , The use of node Versions may not be consistent , In different node Use... Under version npm When installing environment dependencies , There may be problems . therefore , When installing dependencies , It is best to ensure the current node The version is consistent with the version used by the project . At this point, you need to be able to work in multiple node Switch between versions , Through installation nvm Can solve this problem .

nvm Introduce

• nvm Namely nodejs version manage, It's a nodejs Version management tools
• Use nvm Can achieve more than one node Installation and alignment of version node Free switching of versions

preparation

Uninstall installed node

Originally installed node You need to uninstall it first , otherwise nvm-windows May not work properly . If not, you can skip this step

1. Uninstall... In the control panel nodejs

2. Restart ( Or kill all and... From the task manager node Related process ).

3. Delete the following folder and its contents

   C:\Program Files (x86)\nodejs
   C:\Program Files\nodejs
   C:\Users\{User}\AppData\Roaming\npm（ or %appdata%\npm）
   C:\Users\{User}\AppData\Roaming\npm-cache（ or %appdata%\npm-cache）
   

4. Check whether there is a connection with Node Related configuration , Delete it if any

5. cmd Use in node -v and npm -v Check whether the uninstallation is complete

6. restart

download nvm-setup.zip Installation package

Installation package download address ：https://github.com/coreybutler/nvm-windows/releases
windows System download nvm-setup.zip Installation package

install nvm

1. decompression nvm-setup.zip Installation package

2. Run as administrator nvm.exe

3. choice nvm The installation path , The path cannot contain Chinese and spaces

   D:\Software\nvm
   

4. choice node The installation path

   D:\Software
   

5. Click on Next Installation

test nvm Is the installation successful

​ cmd Use in nvm -v, Check whether the installation is successful

Install Taobao image

​ stay nvm Found under the installation path settings.txt, Add the following configuration

root: D:\Software\nvm
path: D:\Software\nodejs
node_mirror: https://npm.taobao.org/mirrors/node/
npm_mirror: https://npm.taobao.org/mirrors/npm/

Install the required node edition 、

Open as Administrator cmd, Execute the following command

nvm install 12.13.0 //  install 12.13.0 edition node
nvm list //  View all installed node edition 
nvm use 12.13.0 //  Use 12.13.0 edition node

Report errors

// Report errors 1:
nvm  exit status 1: ��û���㹻��Ȩ��ִ�д˲�����
 Because it is useless to use administrator privileges   nvm use version  Report the above error 

// Report errors 2:
exit status 145: ���������ִ�������������ִ������������
exit status 1: ��û���㹻��Ȩ��ִ�д˲�����
 Check the installation nvm Path and setting placement nodejs Path or file of , Whether there are spaces or Chinese 
 For example, the default installation path C:\Program Files A space appears in 
 If there is , Change the path or folder name before using nvm use

 install nvm Whether there was nodejs Other versions 
 If there is , And the previous version was selected to be merged during the installation , You can delete nvm All in nodejs edition （ Mainly installation nvm Previous version ）, Reinstall the required nodejs, Run again nvm use

 If it still can't be solved , You can delete nvm Environment variables of , reinstall nvm

View the current project's node edition

stay package-lock.json see @types/node Configuration in

"@types/node": {
  "version": "17.0.31",
  "resolved": "https://registry.npmmirror.com/@types/node/-/node-17.0.31.tgz",
  "integrity": "sha512-AR0x5HbXGqkEx9CadRH3EBYx/VkiUgZIhP4wvPn/+5KIsgpNoyFaRlVe0Zlx9gRtg8fA06a9tskE2MSN7TcG4Q=="
},

ntegrity": “sha512-AR0x5HbXGqkEx9CadRH3EBYx/VkiUgZIhP4wvPn/+5KIsgpNoyFaRlVe0Zlx9gRtg8fA06a9tskE2MSN7TcG4Q==”
},