手机网页能通过window.screen.height, width获取屏幕分辨率，于是能够通过分辨率比率来计算高度。
window.onload=function(){
var swiper = document.getElementById("swiper");
var scale = window.screen.height / window.screen.width;
swiper.style.height = document.body.clientWidth * scale + "px";
}结合swiper来做个手机全屏适配的滑动，所有代码例如以下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,height=device-height,target-densitydpi=high-dpi,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
<title>swiper demo</title>
<link rel="stylesheet" href="swiper.min.css"/>
<style type="text/css">
body {
font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
font-size: 14px;
color:#000;
margin: 0;
padding: 0;
}
.swiper-container {
margin: 0 auto;
}
.swiper-slide {
text-align: center;
font-size: 18px;
background: #fff;
}
</style>
</head>
<body>
<div class="swiper-container" id="swiper">
<div class="swiper-wrapper">
<div class="swiper-slide" style="background:green;">Slide 1</div>
<div class="swiper-slide" style="background:yellow;">Slide 2</div>
<div class="swiper-slide" style="background:orange;">Slide 3</div>
</div>
<div class="swiper-pagination"></div>
</div>
<script src="swiper.min.js"></script>
<script>
window.onload=function(){
var swiper = document.getElementById("swiper");
var scale = window.screen.height / window.screen.width;
swiper.style.height = document.body.clientWidth * scale + "px";
}
var mySwiper = new Swiper('.swiper-container',{
direction: 'horizontal',
loop: false,
pagination: '.swiper-pagination'
});
</script>
</body>
</html>