百分比布局实现响应式布局在 IE6 中填坑思路

2022-09-21 20:12:26

　　最近接了个*项目，*项目要求响应式，并且兼容IE6，不想用媒体监测的方法，于是用了百分比布局的方法，但是IE6真是名不虚传，做第一个界面就遇到了个bug

　　①两张宽度各占50%的图片无法在同一横排，只显示左面的那张图片，于是我加了float:left ，不对，去掉图片的border，也不行，于是就用了一招障眼法，两张图片都是49.5%，完美解决，并且这一点偏差根本看看不出来

　　②百分比布局菜单位置，左右可以按照百分比，但是高度和上下距离无法确定，于是用js获取图片的高度，然后用比例将菜单的上下距离设置好，但是在屏幕尺寸发生变化之后，菜单位置发生偏移，我用了window.onresize检测屏幕尺寸，代码如下

　　　　代码如下：

<!DOCTYPE html>

<html>

<head>

<title>菜单定位</title>

<meta charset="utf-8">

<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

<style type="text/css">

*{margin: 0;padding: 0;border: 0}

body{height:  100%;overflow-x: hidden;overflow: hidden}

.center img{float: left;}

.door{width: 100%;height:100%;margin: 0 auto;overflow: hidden;position: absolute;z-index: 500;}

.pp{float: left;width:49.95% !important;width:49.95%;height:100%;position: relative;display:inline; border: 0}

.pp img{width:100%;height:100%;}

.pp img{position: absolute;left: 0}

img{width: 100%;display: block;position: absolute;left: 0;height: 100%}

.box{width: 100%;height: 100%;overflow: hidden;}

a{display: block;position: absolute;z-index:400;text-decoration:none;outline:0;cursor: pointer;width:100%;height:100%;text-align: center;overflow: hidden;}

#door{cursor:pointer}

.mine{width: 11%;height:55%;top:55%;left

    : 7%;font-size:300px}

.jap{width: 7%;height:55%;top:55%;left

    : 22%;font-size:240px}

.land{width: 5%;height:55%;top:55%;left: 32.5%;font-size:240px;line-height:200px;font-size:200px;}

.imp{width: 5%;height:55%;top:55%;left

    : 62.2%;font-size:240px;}

.base{width: 7%;height:55%;top:55%;left

    : 71.5%;font-size:300px;}

.his{width: 11%;height:60%;top: 45%;left

    : 82.2%;font-size:400px;}

#end{width: 6%;height: 40%;left: 47%;font-size: 400px;}

.center{width: 100%;margin: 0 auto;height: 100%;overflow: hidden; }

</style>

<script type="text/javascript" src="move.js"></script>

<script type="text/javascript">

    window.onload=function(){

        var oBox1 = document.getElementById('box1');

        var oBox2 = document.getElementById('box2');

        var aImg = document.getElementsByTagName('img');

        var sb = document.getElementById('sb');

        var sb1 = document.getElementById('sb1');

        var oMine = document.getElementById('mine');

        var oJap = document.getElementById('jap');

        var oLand = document.getElementById('land');

        var oEnd = document.getElementById('end');

        var oImp= document.getElementById('imp');

        var oBase=document.getElementById('base');

        var oHis= document.getElementById('his');

        var l = document.body.clientWidth/2;

        oMine.style.top = sb1.offsetHeight/3+'px';

        oMine.style.height = sb1.offsetHeight/2+'px';

        oJap.style.top = sb1.offsetHeight/3+'px';

        oJap.style.height = sb1.offsetHeight/2+'px';

        oLand.style.top = sb1.offsetHeight/2.4+'px';

        oLand.style.height = sb1.offsetHeight/3+'px';

        oEnd.style.top = sb1.offsetHeight/2.3+'px';

        oEnd.style.height = sb1.offsetHeight/5+'px';

        oImp.style.top = sb1.offsetHeight/2.4+'px';

        oImp.style.height = sb1.offsetHeight/3+'px';

        oBase.style.top = sb1.offsetHeight/3+'px';

        oBase.style.height = sb1.offsetHeight/2+'px';

        oHis.style.top = sb1.offsetHeight/3+'px';

        oHis.style.height = sb1.offsetHeight/2+'px';

        window.onresize=function(){

            var l = document.body.clientWidth/2;

            oMine.style.top = sb1.offsetHeight/3+'px';

            oMine.style.height = sb1.offsetHeight/2+'px';

            oJap.style.top = sb1.offsetHeight/3+'px';

            oJap.style.height = sb1.offsetHeight/2+'px';

            oLand.style.top = sb1.offsetHeight/2.2+'px';

            oLand.style.height = sb1.offsetHeight/3+'px';

            oEnd.style.top = sb1.offsetHeight/2.3+'px';

            oEnd.style.height = sb1.offsetHeight/5+'px';

            oImp.style.top = sb1.offsetHeight/3+'px';

            oImp.style.height = sb1.offsetHeight/2+'px';

            oBase.style.top = sb1.offsetHeight/3+'px';

            oBase.style.height = sb1.offsetHeight/2+'px';

            oHis.style.top = sb1.offsetHeight/3+'px';

            oHis.style.height = sb1.offsetHeight/2+'px';

        }

    }

</script>

</head>

<body>

<div class="center" id="center">

    <div class="box" id="sb">

        <img width="100%" id="sb1" src="img/door.jpg">

        <a href="mine/mine.html" id="mine" class="mine"> &nbsp</a>

        <a href="jap/jap.html" id="jap" class="jap">&nbsp</a>

        <a href="land/land.html" id="land" class="land">&nbsp</a>

        <a href="front.html" id="end" class="end">&nbsp</a>

        <a href="imp/imp.html" id="imp" class="imp">&nbsp</a>

        <a href="base/base.html" id="base" class="base">&nbsp</a>

        <a href="his/his.html" id="his" class="his">&nbsp</a>

    </div>

</div>

</body>

</html>

IE6下图片无法正常显示：用PS打开图片，将颜色模式改成RGB格式，完美解决

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