通过安装customize-cra插件来实现
在根目录新建config-overrides.js
const {
  override,
  addWebpackAlias
} = require('customize-cra')
const path = require('path')
module.exports = override(
  addWebpackAlias({
    '@': path.resolve(__dirname, 'src'),
    '@components': path.resolve(__dirname, 'src/components'),
    '@views': path.resolve(__dirname, 'src/views'),
  })
)
修改package.json文件
 原本之前的
"scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
  },
修改之后
scripts": {
    "start": "react-app-rewired start",
    "build": "react-app-rewired build",
  },
这边保存重启一下即可
 
                             
                 
                