如何通过CSS使div实现全屏效果，主要分为图片横排展示全屏切换效果和图片竖排展示全屏切换效果，分享给大家，具体如下：
全屏要素
- 全屏的元素及其父元素都要设置height:100%
- 将html、body标签设置height:100%
（注：height:100%是跟随其父元素高度变化而变化的）
1.图片横排展示全屏切换效果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
padding: 0;
margin: 0;
}
html,body{
height: 100%;
}
#container,.sections,.section{
height: 100%;
}
#section0,
#section1,
#section2,
#section3{
background-color: #000;
background-size: cover;
/*让背景图片在容器中居中*/
background-position: 50% 50%;
text-align: center;
color: white;
}
#section0{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big86000.jpg");
}
#section1{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big11000.jpg");
}
#section2{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big55000.jpg");
}
#section3{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big45000.jpg");
}
.left{
float: left;
width: 25%;
}
</style>
</head>
<body>
<div id="container" style="width:400%">
<div class="sections">
<div class="section left" id="section0">
<h3>this is the page</h3>
</div>
<div class="section left" id="section1">
<h3>this is the page</h3>
</div>
<div class="section left" id="section2">
<h3>this is the page</h3>
</div>
<div class="section left" id="section3">
<h3>this is the page</h3>
</div>
</div>
</div>
</body>
</html>
2.图片竖排展示全屏切换效果
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
*{
padding: 0;
margin: 0;
}
html,body{
height: 100%;
}
#container,.sections,.section{
height: 100%;
}
#section0,
#section1,
#section2,
#section3{
background-color: #000;
background-size: cover;
/*让背景图片在容器中居中*/
background-position: 50% 50%;
text-align: center;
color: white;
}
#section0{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big86000.jpg");
}
#section1{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big11000.jpg");
}
#section2{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big55000.jpg");
}
#section3{
background-image: url("http://ossweb-img.qq.com/images/lol/web201310/skin/big45000.jpg");
}
</style>
</head>
<body>
<div id="container">
<div class="sections">
<div class="section" id="section0">
<h3>this is the page</h3>
</div>
<div class="section" id="section1">
<h3>this is the page</h3>
</div>
<div class="section" id="section2">
<h3>this is the page</h3>
</div>
<div class="section" id="section3">
<h3>this is the page</h3>
</div>
</div>
</div>
</body>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。