1、安装依赖

  1. yarn add postcss-pxtorem amfe-flexible

2、引入依赖

  1. //main.js引入依赖
  3. import 'amfe-flexible/index.js'
  4. 3-3 postcss.config.js
  5. module.exports = {
  6.   plugins: {
  7.     'autoprefixer': {
  8.       browsers: ['Android >= 4.0', 'iOS >= 7']
  9.     },
  10.     'postcss-pxtorem': {
  11.       rootValue: 37.5,
  12.       propList: ['*']
  13.     }
  14.   }
  15. }
  17.  Tips：public/index.html 一定要加上视口
  18.  <meta name="viewport" content="width=device-width,initial-scale=1.0">