bootstrap样式
<link rel="stylesheet" href="css/bootstrap.min.css">
<style>
.form{
width: 50%;
}
</style>
</head>
<body>
<div class="btn">
<a class="btn btn-default" href="#" role="button">Link</a>
<input class="btn btn-primary" type="text" value="input按钮">
<button class="btn btn-danger">btn按钮</button>
</div>
<div class="form">
<form>
<div class="form-group">
<label for="exampleInputEmail1">Email address</label>
<input type="email" class="form-control" id="exampleInputEmail1" placeholder="Email">
</div>
<div class="form-group">
<label for="exampleInputPassword1">Password</label>
<input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
</div>
<div class="form-group">
<label for="exampleInputFile">File input</label>
<input type="file" id="exampleInputFile">
<p class="help-block">Example block-level help text here.</p>
</div>
<div class="checkbox">
<label>
<input type="checkbox"> Check me out
</label>
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
<div class="table">
<table class="table table-striped">
<thead>
<th>序号</th>
<th>姓名</th>
<th>年龄</th>
</thead>
<tbody>
<tr>
<td>1</td>
<td>小红</td>
<td>18</td>
</tr>
<tr>
<td>2</td>
<td>小明</td>
<td>20</td>
</tr>
<tr>
<td>3</td>
<td>小白</td>
<td>22</td>
</tr>
</tbody>
</table>
</div>
</body>
bootstrap组件
<link rel="stylesheet" href="css/bootstrap.min.css">
<style>
.search{
font-size: 50px;
}
</style>
</head>
<body>
<div class="icon">
<span class="search glyphicon glyphicon-search" aria-hidden="true"></span>
<button type="button" class="btn btn-default" aria-label="Left Align">
<span class="glyphicon glyphicon-align-left" aria-hidden="true"></span>
</button>
<button type="button" class="btn btn-default btn-lg">
<span class="glyphicon glyphicon-star" aria-hidden="true"></span> Star
</button>
</div>
<div class="nav">
<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>
<div class="page">
<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>
</div>
</div>
<script src="script/jquery-3.6.1.min.js"></script>
<script src="script/bootstrap.min.js"></script>
</body>
栅格系统
响应式页面相关
<link rel="stylesheet" href="css/bootstrap.min.css">
<style>
.item{
border: 1px solid red;
}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="item col-md-4">123</div>
<div class="item col-md-4">123</div>
<div class="item col-md-4">123</div>
</div>
</div>
<script src="script/jquery-3.6.1.min.js"></script>
<script src="script/bootstrap.min.js"></script>
</body>
