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; 100%;height: 100%;} body{margin: 0;padding: 0;} header,footer{ 100%;background: #17A578;color: #fff;font-size:1rem;text-align: center;line-height: 2rem;} .footer{position: fixed;bottom: 0;} .box{} .public{ 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