
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="jQuery.js"></script>
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<link rel="stylesheet" href="bootstrap-3.4.1-dist/css/bootstrap.min.css">
<script src="bootstrap-3.4.1-dist/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="font-awesome-4.7.0/css/font-awesome.min.css">
<style>
.l1{
background-color:darkgray;
}
</style>
</head>
<body>
<nav class="navbar navbar-inverse">
<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="#">图书管理系统</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="#">图书 <span class="sr-only">(current)</span></a></li>
<li><a href="#">作者</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">价格<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">搜索</button>
</form>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">论坛</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">更多<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="container-fluid">
<div class="row">
<div class="col-md-3">
<div class="list-group">
<a href="#" class="list-group-item active">
Cras justo odio
</a>
<a href="#" class="list-group-item">联系作者</a>
<a href="#" class="list-group-item">图书联系</a>
<a href="#" class="list-group-item">后台反馈</a>
<a href="#" class="list-group-item">你大爷的想不出来了</a>
</div>
</div>
<div class="col-md-9">
<div class="panel panel-primary">
<div class="panel-heading">
<h3 class="panel-title">图书管理系统 <span class="glyphicon glyphicon-search"></span><span class="glyphicon glyphicon-book pull-right"></span></h3>
</div>
<div class="panel-body">
<div class="row"></div>
<div class="col-md-6">
<div class="input-group">
<input type="text" class="form-control" placeholder="Search for...">
<span class="input-group-btn">
<button class="btn btn-default" type="button">Go!</button>
</span>
</div><!-- /input-group -->
</div><!-- /.col-lg-6 -->
<div class="col-md-6">
<button class="btn btn-success pull-right">添加</button>
</div>
<hr>
<div>
<table class="table table-hover table-bordered">
<thead>
<tr>
<th>id</th>
<th>name</th>
<th>password</th>
<th>操作</th>
</tr>
</thead>
<tbody >
<tr>
<td>822111</td>
<td>涛123165</td>
<td>123</td>
<td><button class="btn btn-info btn-xs">添加</button><button class="btn btn-danger btn-xs">删除</button></td>
</tr>
</tbody >
</table>
<div class="text-center">
<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>
</div>
</div>
</div>
</div>
</div>
<div>
<button id="flower" class="btn btn-primary" type="button">
点击收鲜花哟 <span class="badge">0</span>
</button>
</div>
<script>
var i=0
let $butEle=$('#flower')
$butEle.on('click',function () {
$('#flower>span').text(i++)
})
</script>
</body>
</html>