(1) in a computer environment installed nodejs
(2) Installation nodejs plug (3) in the idea to create a static web project
(4) Enter npm init -y initializing a project idea in the bottom of the window Termnal
(5) Installation vue, enter the bottom of the window in the idea of Termnal
npm install -g vue global installation
npm install vue mounted locally
npm uninstall vue vue deleted
npm update vue vue update