rem布局非常简单,首页你只需在页面引入这段原生js代码就可以了
(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 = '100px';}else{docEl.style.fontSize = 100 * (clientWidth / 640) + 'px';}};if (!doc.addEventListener) return;win.addEventListener(resizeEvt, recalc, false);doc.addEventListener('DOMContentLoaded', recalc, false);})(document, window);