1.下载并引入lib-flexible
npm i lib-flexible -S
//main.js
import 'lib-flexible/flexible'
2.安装px2rem-loader
npm i px2rem-loader -S
3.将px2rem-loader添加到cssLoaders
//build/util.js
.... const px2remLoader = { loader: 'px2rem-loader', options: { remUnit: 37.5//这个是重点,设计稿是750px } } ...
const loaders = options.usePostCSS ? [cssLoader, postcssLoader, px2remLoader] : [cssLoader, px2remLoader]