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bootstrap的使用

2018-03-05 11:19 85 查看
1,联网使用

联网需要在html中添加四条语句。以下是使用bootstrap的标准模板,bootstrap.min.css是引用bootstrap的css样式表,靠近body标签的三个js脚本的顺序是固定的。

<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

<title>Hello, world!</title>
</head>
<body>
<h1>Hello, world!</h1>

<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
</body>
</html>


2,本地使用

在官网下载相应的文件,bootstrap的已编译版本,JQuery的已编译版本,popper.js。下载完三个文件后都复制进项目里面,然后直接引用就可以了。以下是模拟代码。

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>测试bootstrap的联网使用</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- 该语句加载bootstrap的样式,必须放在所以的样式表前面 -->
<link rel="stylesheet" href="../bootstrap-4.0.0-dist/css/bootstrap.min.css">
</head>
<body>
<div class="btn-group" role="group" aria-label="Basic example">
<button type="button" class="btn btn-secondary">Left</button>
<button type="button" class="btn btn-secondary">Middle</button>
<button type="button" class="btn btn-secondary">Right</button>
</div>
<!-- 以下三个js脚本顺序是固定的 -->
<script src="../bootstrap-4.0.0-dist/jquery-3.3.1.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="../bootstrap-4.0.0-dist/popper.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="../bootstrap-4.0.0-dist/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
</body>
</html>
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