Vue实现PC端分辨率自适应的示例代码

npm install px2rem-loader -D
npm install lib-flexible -S

import 'lib-flexible'

const cssLoader = {
    loader: 'css-loader',
    options: {
      sourceMap: options.sourceMap
    }
  }

  // 增加代码，px转rem配置（需要将px2remloader添加进loaders数组中）
  const px2remLoader = {
    loader: 'px2rem-loader',
    options: {
      remUnit: 192,  //根据视觉稿，rem为px的十分之一，1920px  192 rem
      // remPrecision: 8//换算的rem保留几位小数点
    }
  }

// generate loader string to be used with extract text plugin
function generateLoaders (loader, loaderOptions) {
   const loaders = options.usePostCSS ? [cssLoader, postcssLoader, px2remLoader] : [cssLoader, px2remLoader]

   if (loader) {
     loaders.push({
       loader: loader + '-loader',
       options: Object.assign({}, loaderOptions, {
         sourceMap: options.sourceMap
       })
     })
   }
   //...
 }

function refreshRem(){
   var width = docEl.getBoundingClientRect().width;
    if (width / dpr > 540) {
        width = width * dpr;
    }
    //缩放比例，可按实际情况修改
    var rem = width / 8;
    docEl.style.fontSize = rem + 'px';
    flexible.rem = win.rem = rem;
}