HTML代码:
<div class="wrap"> <div id="bg"> <div id="title"> <a href="#" class="return">返回</a> </div> <a href="#" class="ios">ios下载</a> <a href="#" class="android">Android下载</a> </div> </div>
CSS代码(reset):
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td,figure {padding:0;margin:0;} fieldset,img{border:0;} :focus {outline:0;} address,caption,cite,code,dfn,em,th,var,optgroup {font-style:normal;font-weight:normal;} h1,h2,h3,h4,h5,h6 {font-size:100%;} abbr,acronym {border:0;font-variant:normal;} input,button,textarea,select,optgroup,option {font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;} code,kbd,samp,tt {font-size:100%;} body {line-height:1.5;} ol,ul,li {list-style:none;} table {border-collapse:collapse;border-spacing:0;} caption,th {text-align:left;} sup,sub {font-size:100%;vertical-align:baseline;} blockquote,q {quotes:none;} blockquote:before,blockquote:after,q:before,q:after {content:‘‘;content:none;} .clear:after{clear: both;content:‘.‘;display: block;visibility:hidden;height:0;} .clear{zoom:1; clear: both;} .hide {display:none;} section,div,img,a{ -webkit-tap-highlight-color:rgba(0,0,0,0); -webkit-tap-highlight-color:transparent;/* For some Androids */ } input{-webkit-appearance:none;}
CSS代码(百分比定位):
.wrap{position:relative;} #bg{background:url(../images/bg.jpg) no-repeat center bottom;background-size:100%;} #title{ width:100%; height:7%;} a{ text-indent:-9999px; display:block;} .return{width:16%;height:100%; float:right;} .ios{ width:100%; height:15%; margin-top:93%;} .android{ width:100%; height:15%;}
JS代码(根据设备屏幕的大小,来确定背景图片显示的大小):
$(function(){ var sicWinfill = function(para){ var win = $(para.win||window); var obj = { target : $(para.target), width : parseInt(para.width) || 0, height : parseInt(para.height) || 0, mode : (para.mode || "contain").toLowerCase(), onResize : para.onResize }; $(window).resize(function(){ var ratioW = win.width()/obj.width, ratioH = win.height()/obj.height, ratioMax = Math.max(ratioW,ratioH), ratioMin = Math.min(ratioW,ratioH), ratioMain = Math.min(ratioMin/parseInt(0+obj.mode)*100, ratioMax); var ratio = { "width" : ratioW, "height" : ratioH, "cover" : ratioMax, "contain" : ratioMin }[obj.mode] || ratioMain; obj.target.css({width:parseInt(ratio*obj.width), height:parseInt(ratio*obj.height)}); if(obj.onResize) obj.onResize(); }).resize(); } sicWinfill({ target:"#bg", width:640, height:1074, mode:"width" }); })
移动端网页实现(用百分比进行定位),布布扣,bubuko.com
时间: 2024-10-06 14:09:14