Web Front-endBootstrap TutorialCan the components from the bootstrap official website be used directly?
If you want to know more about bootstrap, you can click: Bootstrap Tutorial
The components on the bootstrap official website can be used directly. By visiting the component library https://v3.bootcss.com/components/, we can view all the component information of bootstrap and use them. If you want to modify the style of a component, you can add your own style, or you can modify the corresponding style in the official style library (it is recommended to add your own style and not touch the official files). The following introduces the usage of several components.
1. The use of font icons
The names below these icons are their corresponding The class name, we can directly access the class name when using it:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>Bootstrap字体图标</title>
<!-- 第一步：加载Bootstrap的层级样式表 -->
<link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<!-- 字体图标的引用 -->
<span class="glyphicon glyphicon-euro"></span>
<!-- 第二步：jQuery库，同时加载该库必须在加载bootstrap.min.js之前 (Bootstrap 的所有 JavaScript 插件都依赖 jQuery，所以必须放在前边) -->
<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<!-- 第三步：加载 Bootstrap 的核心库。 -->
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</body>
</html>2. Use of button components
Note: Button style There are seven types: btn-default, btn-primary, btn-info, btn-success, btn-warning, btn-danger, and btn-link;
The button sizes include btn-lg, btn-sm, btn- xs three
In addition, types such as input can also set the button style in bootstrap.
<!-- 不同按钮样式 -->
<button type="button" class="btn btn-default">默认</button>
<button type="button" class="btn btn-primary btn-lg">primary</button>
<button type="button" class="btn btn-info btn-sm">信息</button>
<button type="button" class="btn btn-success btn-xs">确定</button>
<button type="button" class="btn btn-warning">提示</button>
<button type="button" class="btn btn-danger">取消</button>
<button type="button" class="btn btn-link">链接</button>
<hr>
<!-- 按钮类设置 -->
<a href="" class="btn btn-default" role="button">Link</a>
<button class="btn btn-default" type="submit"><span class="glyphicon glyphicon-plus"></span> Button</button>
<input class="btn btn-danger" type="button" value="Input">
<input class="btn btn-default" type="submit" value="Submit">3. Button drop-down menu
First, there must be a drop-down menu div container, and set the style to dropdown; secondly, the button of the drop-down menu The style needs to set dropdown-toggle, the data-toggle attribute value is dropdown, and an id must be set; finally, the aria-labelledby attribute value in ul of the drop-down menu corresponds to the id value in the button!
<div class="dropdown">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown">Dropdown<span class="caret"></span></button>
<ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
<!-- 下拉菜单标题 -->
<li class="dropdown-header">Dropdown header</li>
<!-- 下拉菜单内容 -->
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<!-- 分割线 -->
<li role="separator" class="divider"></li>
<li class="disabled"><a href="#">Separated link</a></li>
</ul>
</div>4. Button groups and nesting
Button groups can also be set in size: btn-group-lg, btn-group-sm , btn-group-xs
<div class="btn-group btn-group-lg" role="group" aria-label="...">
<button type="button" class="btn btn-default">Left</button>
<button type="button" class="btn btn-default">Middle</button>
<button type="button" class="btn btn-default">Right</button>
<!--嵌套下拉按钮菜单-->
<div class="btn-group" role="group">
<button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown<span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#">Dropdown link</a></li>
<li><a href="#">Dropdown link</a></li>
</ul>
</div>
</div>5. Vertical button group
A btn-group-vertical class can achieve
<div class="btn-group-vertical" role="group" aria-label="..."> <button type="button" class="btn btn-default">Left</button> <button type="button" class="btn btn-default">Middle</button> <button type="button" class="btn btn-default">Right</button> </div>
6. Align button group
<div class="btn-group btn-group-justified" role="group" aria-label="..."> <div class="btn-group" role="group"> <button type="button" class="btn btn-default">Left</button> </div> <div class="btn-group" role="group"> <button type="button" class="btn btn-default">Middle</button> </div> <div class="btn-group" role="group"> <button type="button" class="btn btn-default">Right</button> </div> </div>
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