Use less

Download dependency

npm install -D less less-loader

Add in main.js

import less from 'less';
Vue.use(less);

use

<style lang="less"></style>

Operation error

Reason: the version of less loader installed is too high

Solution: reinstall the lower version of

npm uninstall less-loader

npm install [email protected]

Using sass

Download dependency

npm install -D node-sass sass-loader style-loader

use

<style lang="scss" scoped></style>

Operation error

Cause: sass loader version is too high

Solution: reinstall the lower version of

npm uninstall sass-loader
npm install [email protected]