前端框架Bootstrap
该框架已经帮你写好了很多页面样式，你如果需要使用，只需要下载它对应文件，之后直接cv拷贝即可
在使用Bootstrap的时候所有的页面样式都只需要你通过class来调节即可。
版本选择建议使用v3版本：https://v3.bootcss.com/
bootstrap的js代码是依赖于jQuery的，也就意味着你在使用Bootstrap动态效果的时候，一定要导入jQuery
布局容器
<div class="container">
左右两侧有留白
</div>
<div class="container-fluid">
左右两侧没有留白
</div>
栅格系统
"""
.col-xs- .col-sm- .col-md- .col-lg-
# 针对不同的显示器 bootstrap会自动选择对应的参数
# 如果你想要兼容所有的显示器 你就全部加上即可
# 在一行如何移动位置
<div class="col-md-8 c1 col-md-offset-2"></div>
"""
<!-- Stack the columns on mobile by making one full-width and the other half-width -->
<div class="row">
<div class="col-xs-12 col-md-8">.col-xs-12 .col-md-8</div>
<div class="col-xs-6 col-md-4">.col-xs-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-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
<div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
<div class="col-xs-6 col-md-4">.col-xs-6 .col-md-4</div>
</div>
<!-- Columns are always 50% wide, on mobile and desktop -->
<div class="row">
<div class="col-xs-6">.col-xs-6</div>
<div class="col-xs-6">.col-xs-6</div>
</div>
表格
<table class="table table-bordered table-hover table-striped">
<thead>
<th>#</th>
<th>First Name</th>
<th>Last Name</th>
<th>UserName</th>
</thead>
<tbody>
<tr class="success">
<td>1</td>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
<tr>
<td>2</td>
<td>Mark</td>
<td>Otto</td>
<td>@mdo</td>
</tr>
</tbody>
</table>
<tr class="active">...</tr>
<tr class="success">...</tr>
<tr class="warning">...</tr>
<tr class="danger">...</tr>
<tr class="info">...</tr>
表单
<div class="container">
<div class="col-md-8 col-md-offset-2">
<h2 class="text-center">登陆页面</h2>
<form action="">
<p>username:<input type="text" class="form-control"></p>
<p>password:<input type="text" class="form-control"></p>
<p>
<select name="" id="" class="form-control">
<option value="">111</option>
<option value="">222</option>
<option value="">333</option>
</select>
</p>
<textarea name="" id="" cols="30" rows="10" class="form-control"></textarea>
<input type="submit">
</form>
</div>
</div>
# 针对表单标签 加样式就用form-control
class="form-control"
"""
<input type="checkbox">222
<input type="radio">333
checkbox和radio我们一般不会给它加form-control，直接使用原生的即可
"""
# 针对报错信息 可以加has-error（input的父标签加）
<p class="has-error">
username:
<input type="text" class="form-control">
</p>
按钮
<!-- Standard button -->
<button type="button" class="btn btn-default">（默认样式）Default</button>
<!-- Provides extra visual weight and identifies the primary action in a set of buttons -->
<button type="button" class="btn btn-primary">（首选项）Primary</button>
<!-- Indicates a successful or positive action -->
<button type="button" class="btn btn-success">（成功）Success</button>
<!-- Contextual button for informational alert messages -->
<button type="button" class="btn btn-info">（一般信息）Info</button>
<!-- Indicates caution should be taken with this action -->
<button type="button" class="btn btn-warning">（警告）Warning</button>
<!-- Indicates a dangerous or potentially negative action -->
<button type="button" class="btn btn-danger">（危险）Danger</button>
<!-- Deemphasize a button by making it look like a link while maintaining button behavior -->
<button type="button" class="btn btn-link">（链接）Link</button>
图片
<img src="..." alt="..." class="img-rounded">
<img src="..." alt="..." class="img-circle">
<img src="..." alt="..." class="img-thumbnail">
导航条
<nav class="navbar navbar-default">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#">Brand</a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
<li><a href="#">Link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">One more separated link</a></li>
</ul>
</li>
</ul>
<form class="navbar-form navbar-left">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">Link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Action</a></li>
<li><a href="#">Another action</a></li>
<li><a href="#">Something else here</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">Separated link</a></li>
</ul>
</li>
</ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>
分页器
<nav aria-label="Page navigation">
<ul class="pagination">
<li>
<a href="#" aria-label="Previous">
<span aria-hidden="true">«</span>
</a>
</li>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li><a href="#">3</a></li>
<li><a href="#">4</a></li>
<li><a href="#">5</a></li>
<li>
<a href="#" aria-label="Next">
<span aria-hidden="true">»</span>
</a>
</li>
</ul>
</nav>
进度条
<div class="progress">
<div class="progress-bar progress-bar-striped active" role="progressbar" aria-valuenow="45" aria-valuemin="0" aria-valuemax="100" style=" 45%">
50%
<span class="sr-only">45% Complete</span>
</div>
</div>
标签
<span class="label label-default">Default</span>
<span class="label label-primary">Primary</span>
<span class="label label-success">Success</span>
<span class="label label-info">Info</span>
<span class="label label-warning">Warning</span>
<span class="label label-danger">Danger</span>
徽章
<ul class="nav nav-pills" role="tablist">
<li role="presentation" class="active"><a href="#">Home <span class="badge">42</span></a></li>
<li role="presentation"><a href="#">Profile</a></li>
<li role="presentation"><a href="#">Messages <span class="badge">3</span></a></li>
</ul>
链接
<div class="list-group">
<a href="#" class="list-group-item active">
Cras justo odio
</a>
<a href="#" class="list-group-item">Dapibus ac facilisis in</a>
<a href="#" class="list-group-item">Morbi leo risus</a>
<a href="#" class="list-group-item">Porta ac consectetur ac</a>
<a href="#" class="list-group-item">Vestibulum at eros</a>
</div>
面板
<div class="panel panel-default">
<div class="panel-heading">
<h3 class="panel-title">Panel title</h3>
</div>
<div class="panel-body">
Panel content
</div>
</div>