数据大屏解决方案scale 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .container{
            width: 100vw;
            height: 100vh;
            background-image: url(http://8.222.176.28/assets/bg-16c5dcec.png) ;
            background-repeat: no-repeat;
            background-size: cover;
        }
        .box{
            position: fixed;
            width: 1920px;
            height: 1080px;
            background-color: red;
            transform-origin: left top;
            top: 50%;
            left: 50%;
        }
        .top{
            width: 100px;
            height: 100px;
            margin-bottom: 100px;
            margin-left: 50px;
            background-color: hotpink;
        }
        .bottom{
            width: 100px;
            height: 100px;
            margin-left: 50px;
            background-color: greenyellow;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="box">
            <div class="top">top</div>
            <div class="bottom">bottom</div>
        </div>
    </div>
</body>
<script>
    // 控制数据大屏放大与缩小
    let box=document.querySelector('.box');
    box.style.transform=`scale(${getScale()}) translate(-50%,-50%)`;
    // 计算缩放比例
    function getScale(w=1920,h=1080){
        const ww=window.innerWidth/w;
        const wh=window.innerHeight/h;
        return ww<wh?ww:wh
    };
    window.onresize=()=>{
        box.style.transform=`scale(${getScale()}) translate(-50%,-50%)`;
    }
</script>
</html>

　　

posted @ 2024-01-30 09:38  芬-mi  阅读(15)  评论(0)    收藏  举报