1. HTML中加入以下JS代码:
<script TYPE="text/javascript"> var docEl = document.documentElement;function setRemUnit () {var rem = docEl.clientWidth / 19.2; // 可根据不同电脑分辨率进行手动修改(如1920*1080 为19.2docEl.style.fontSize = rem + 'px'}setRemUnit()window.addEventListener('resize', setRemUnit)window.addEventListener('pageshow', function (e) {if (e.persisted) {setRemUnit()}})</script>
2. 将CSS中所有font-size px单位改为 rem
修改前:
div {font-size: 16px;}
修改后:
div {/* px值除以100,即为 rem 单位值 */font-size: 0.16rem;}