vue 移动端适配方案详解

 < >
  (function () {
   // 在标准 375px 适配下，100px = 1rem;
   var  FontSize = 100; 
   var  Width = 375;

   var set = function () {
    var clientWidth = document.documentElement.clientWidth || window.innerWidth;

    var rem = 100;
    if (clientWidth !=  Width) {
     rem = Math.floor(clientWidth /  Width *  FontSize);
    }

    document.querySelector(\'html\').style.fontSize = rem + \'px\';
   }
   set();

   window.addEventListener(\'resize\', set);
  }());
  
 </ >

npm i lib-flexible --save    // 载lib-flexible
npm install px2rem-loader    // 安装px2rem-loader

import \'lib-flexible/flexible\'

<  name=\"viewport\" content=\"width=device-width,initial-scale=1.0\">
//注意这两个的区别，建议添加下面的 ，反正点击输入框，页面自动缩放
<  name=\"viewport\" content=\"width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0\">

const cssLoader = {
  loader: \'css-loader\',
  options: {
   minimize: process.env.NODE_ENV === \'production\',
   sourceMap: options.sourceMap
  }
 }
 const px2remLoader = {
  loader: \'px2rem-loader\',
  options: {
   //一般设置75
   remUnit: 35
  }
 }

 function generateLoaders(loader, loaderOptions) {
  const loaders = options.usePostCSS ? [cssLoader, postcssLoader,px2remLoader] : [cssLoader,px2remLoader]

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

  // Extract CSS when that option is specified
  // (which is the case during production build)
  if (options.extract) {
   return ExtractTextPlugin.extract({
    use: loaders,
    fallback: \'vue-style-loader\'
   })
  } else {
   return [\'vue-style-loader\'].concat(loaders)
  }
 }

npm run dev  // 重新运行