版权声明:干一行、爱一行、爱学习、爱分享! https://blog.csdn.net/weixin_36951197/article/details/82712914
一般给的设计图是 750px的,我把屏幕宽度分成7.5份,屏幕总宽度= 7.5rem,例如:设计图上的10像素我们开发直接除以100,换算成0.1rem,计算方便快捷,暂时没发现严重bug;如有问题欢迎指正,谢谢!
(function (doc, win) {
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
recalc = function () {
var clientWidth = docEl.clientWidth;
if (!clientWidth) return;
docEl.style.fontSize = 100 * (clientWidth / 750) + 'px';
};
if (!doc.addEventListener) return;
win.addEventListener(resizeEvt, recalc, false);
doc.addEventListener('DOMContentLoaded', recalc, false);
})(document, window);
html 需要加meta标签
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" />