1. Install ElementUI using the NPM command
npm i element-ui -S
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After installation, an element-UI folder will appear in the node_modules folder in the directory.

  1. inmain.jsFile import
// Introduce element UI
import ElementUI from 'element-ui'
// Introduce element's theme file
import 'element-ui/lib/theme-chalk/index.css'
// Register Element as a Vue plug-in
Vue.use(ElementUI)
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  1. test

You can copy some code from Element’s official website into app.vue and see if it displays correctly