人生有起有落，有起有伏，无论你现在是在人生的顶峰，还是在人生的低谷，都是人生必经的一个过程。站在山峰的你，回头看看曾经在山谷的你，是多么的发奋图强，自强不息。所有的好事不是不来，而是在等红绿灯的路上。
本文实例为大家分享了bootstrap栅格系统的具体代码，供大家参考，具体内容如下
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<title>栅格系统</title>
<link rel="stylesheet" rel="nofollow noopener noreferrer" href="lib/bootstrap/css/bootstrap.css">
<link rel="stylesheet" rel="nofollow noopener noreferrer" href="css/main.css">
<!--[if lt IE 9]>
<script src="lib/html5shiv/html5shiv.min.js"></script>
<script src="lib/respond/respond.min.js"></script>
<![endif]-->
<style>
.a{
background-color: #ccc;
height: 50px;
border: 1px solid #333;
}
</style>
</head>
<body>
<!--1170px-->
<div class="container">
<div class="row">
<div class="col-md-1 a">1</div>
<div class="col-md-1 a">2</div>
<div class="col-md-1 a">3</div>
<div class="col-md-1 a">4</div>
<div class="col-md-1 a">5</div>
<div class="col-md-1 a">6</div>
<div class="col-md-1 a">7</div>
<div class="col-md-1 a">8</div>
<div class="col-md-1 a">9</div>
<div class="col-md-1 a">10</div>
<div class="col-md-1 a">11</div>
<div class="col-md-1 a">12</div>
</div>
<div class="row">
<div class="col-md-9 a">9</div>
<div class="col-md-3 a">3</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
<div class="col-lg-3 col-md-4 a">a</div>
</div>
</div>
<!--嵌套
style="padding: 0",因为栅格系统默认有15px 的padding-->
<div class="container">
<div class="row">
<div class="col-lg-9 a" style="padding: 0">
<div class="col-lg-4 a">a</div>
<div class="col-lg-4 a">a</div>
<div class="col-lg-4 a">a</div>
</div>
<div class="col-lg-3 a">a</div>
</div>
</div>
<script src="lib/jquery/jquery.js"></script>
<script src="lib/bootstrap/js/bootstrap.js"></script>
<script src="js/main.js"></script>
</body>
</html>
本文bootstrap栅格系统示例代码分享到此结束。心若定，何须追逐；心若安，何须浮躁；心若净，何须飘摇。小编再次感谢大家对我们的支持！