一、什么是 Bootstrap?
Bootstrap 是一个用于快速开发 Web 应用程序和网站的前端框架。Bootstrap 是基于 HTML、CSS、JAVASCRIPT 的。
优点:
快速、简洁、灵活的栅格系统,小而强大,响应式布局,跨平台
二、Bootstrap css、组件以及JS介绍
实例:引用“bootstrap.min.css”实现一个表格功能
![](https://img.haomeiwen.com/i2418690/46858537ef80f27f.png)
HTML:
<html lang="en">
<head>
<meta charset="UTF-8">
<title>响应式布局之Bootstrap</title>
<link href="bootstrap.min.css" type="text/css" rel="stylesheet">
<link href="lesson24.css" type="text/css" rel="stylesheet">
</head>
<body>
<!-- Stack the columns on mobile by making one full-width and the other half-width -->
<div class="row">
<div class="col-12 col-md-8">.col-12 .col-md-8</div>
<div class="col-6 col-md-4">.col-6 .col-md-4</div>
</div>
<!-- Columns start at 50% wide on mobile and bump up to 33.3% wide on desktop -->
<div class="row">
<div class="col-6 col-md-4">.col-6 .col-md-4</div>
<div class="col-6 col-md-4">.col-6 .col-md-4</div>
<div class="col-6 col-md-4">.col-6 .col-md-4</div>
</div>
<!-- Columns are always 50% wide, on mobile and desktop -->
<div class="row">
<div class="col-6">.col-6</div>
<div class="col-6">.col-6</div>
</div>
</body>
</html>
JS(lesson24.css)
.row{
margin-bottom:20px;
}
.row.row{
margin-top: 10px;
margin-bottom: 0px;
}
[class*="col-"]{
padding-top: 15px;
padding-bottom: 15px;
background-color: #eee;
background-color: rgba(86,64,124,.15);
border:1px solid #dddddd;
border:1px solid rgba(86,64,124,.2);
}
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