主要原理是利用webpack插件webpack-theme-color-replacer提取相关颜色css然后根据配置动态生成替换的css
具体实现步骤如下:
1.添加webpack插件,新建文件webpack/themePlugin.js
const ThemeColorReplacer = require('webpack-theme-color-replacer') const forElementUI = require('webpack-theme-color-replacer/forElementUI') const config = require('../src/config/appConfig') module.exports = new ThemeColorReplacer({ fileName: 'css/theme-colors.[contenthash:8].css', matchColors: [ ...forElementUI.getElementUISeries(config.themeColor), //element-ui主色系列 // '#0cdd3a', //自定义颜色 ], changeSelector: forElementUI.changeSelector, isJsUgly: process.env.NODE_ENV !== 'development', // injectCss: false, // resolveCss(resultCss) { // optional. Resolve result css code as you wish. // return resultCss + youCssCode // } })