h5布局之道（最终篇）

时间：2023-02-04 15:08:06

大家好，时隔一年多了，前几篇探讨的rem布局后来又有改进不过一直没有想起来更新博客，rem布局淘宝用的也比较早，有兴趣的可以看看淘宝的flexible

,我的用法比较简单，原来一样，废话不说了直接上代码

<!DOCTYPE html>

<html>

    <head>

        <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>

        <meta name="viewport" id="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no">

        <meta name="format-detection" content="telephone=no"/>

        <title>GreatBoy</title>

        <style>

            /*-----css Reset end-----*/

            body,h1,h2,h3,h4,h5,h6,p,ul,ol,form{

                margin:0;

                padding:0px;

            }

            html{

/*                display: none;*/

            }

            body{

                font-size: 14px;

            }

            .nav img{

                width: 100%;

            }

        </style>

    </head>

    <body>

        <div class="nav"><img src="http://p1.jmstatic.com/banner/75/mobile_app/24326_0.jpg"/></div>

        <div id="container">

            <div id="user">用户信息<span id="userinfo"></span></div>

        </div>

        <script>

        (function(win) {

            var doc = win.document,

                scale = 16,

                $body = doc.getElementsByTagName('body')[0],

                $html = doc.getElementsByTagName('html')[0],

                windowWidth = doc.documentElement && doc.documentElement.clientWidth || doc.body.clientWidth || win.innerWidth,

                windowHeight = document.documentElement && document.documentElement.clientHeight || documentElement.body.clientHeight || window.innerHeight,

                deviceAgent = navigator.userAgent.toLowerCase();

            if ( deviceAgent.match( /(iphone|ipod|ipad|android|windows\s*phone|symbianos)/ ) ) {

                try{

                   // if ( window.localStorage && window.localStorage.getItem('scale_greatboy') ) {

                    //    scale = window.localStorage.getItem('scale_greatboy');

                   // } else {

                        scale = parseFloat(windowWidth * 16 / (16*3.2));

                        if (windowHeight > windowWidth) {

                            //window.localStorage && window.localStorage.setItem('scale_greatboy', scale);

                        }

                   // }

                }catch(e){

                }

                if (deviceAgent.match(/android\s*2.3/) && deviceAgent.match(/micromessenger/)) {

                    scale = 16;

                }

                $html.style.fontSize = scale + 'px';

                $html.style.display = 'block';

            } else {

                window.onresize = function(){

                    windowWidth = doc.documentElement && doc.documentElement.clientWidth || doc.body.clientWidth || win.innerWidth;

                    scale = parseFloat(windowWidth * 16 / (16*3.2));

                    $html.style.fontSize = scale + 'px';

                };

                scale = parseFloat(windowWidth * 16 / (16*3.2));

                $html.style.fontSize = scale + 'px';

                $html.style.display = 'block';

            }

            $body.style.width = '3.2rem';

        })(window);

 </script>

    </body>

</html>

　　

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