移动前端自适应解决方案和比较

原文：https://www.jb51.net/article/128527.htm
参考：https://www.cnblogs.com/zsxblog/archive/2016/04/02/5347783.html
 
<!DOCTYPE html>
<html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;" name="viewport" />
   <meta content="telephone=no" name="format-detection" />
   <meta name="format-detection" content="email=no" />
   <meta http-equiv="Cache-Control" content="no-cache"/>
 <title>响应式布局</title>
 <style>
  html{font-size: 20px;width: 100%;height: 100%;}
  body{margin: 0;padding: 0;}
  header,footer{width: 100%;background: #17A578;color: #fff;font-size:1rem;text-align: center;line-height: 2rem;}
  .footer{position: fixed;bottom: 0;}
  .box{}
  .public{width: 5rem;height: 5rem;font-size: 1.2rem;display: inline-block;text-align: center;color: #fff;line-height: 5rem;margin-top: 1rem;}
  .left{background: #f00;}
  .center{background: #048F74;}
  .right{background: #000;}
 </style>
 </head>
 <body>
 <header>页面头部</header>
 <div class="box">
  <div class="public left">左</div>
  <div class="public center">中</div>
  <div class="public right">右</div>
  <div class="public left">左</div>
  <div class="public center">中</div>
  <div class="public right">右</div>
 </div>
 <footer class="footer">页面底部</footer>
 <script>
    (function (doc, win) {
  var docEl = doc.documentElement,
    resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
    recalc = function () {
      var clientWidth = docEl.clientWidth;
      if (!clientWidth) return;
      if(clientWidth>=640){
        docEl.style.fontSize = '40px';
      }else{
        docEl.style.fontSize = 40 * (clientWidth / 640) + 'px';
      }
    };
  if (!doc.addEventListener) return;
  win.addEventListener(resizeEvt, recalc, false);
  doc.addEventListener('DOMContentLoaded', recalc, false);
})(document, window);

 
  </script>
 </body>
</html>

*其中40px是个参数，可以设置为任意值。例如：设计图宽度为200px，则width：5rem;
原文：https://www.cnblogs.com/zsxblog/archive/2016/04/02/5347783.html
移动前端自适应解决方案和比较

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