<!DOCTYPE html>
<html lang="en">
<head>
<title></title>
<meta charset="utf-8" />
<title>登录</title>
<link href="./bootstrap-3.3.7-dist/css/bootstrap.css" rel="stylesheet"/>
<script src="./bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
<script src="./bootstrap-3.3.7-dist/js/jquery-3.4.1.min.js"></script>
<style>
.login
{
margin-top: 100px;
margin-left: auto;
margin-right: auto;
height: 350px;
width: 500px;
padding: 5%;
padding-left: 5%;
padding-right: 5%;
}
.login signal
{
width: 440px;
}
.login input, checkbox, button
{
margin-top: 2%;
margin-left: 10%;
margin-right: 10%;
}
.mycheckbox
{
margin-top: 10px;
margin-left: 40px;
margin-bottom: 10px;
height: 10px;
}
</style>
</head>
<body>
<form id="from">
<div class="login">
<div class="signal">
<div class="col-md-12 text-center text-info">
<h1>登录页面</h1>
</div>
<div class="col-md-10">
<input type="text" class="form-control" name="username" placeholder="请输入账户名" required
autofocus />
</div>
<div class="col-md-10">
</div>
<div class="col-md-10">
<input type="password" class="form-control" name="password" placeholder="请输入密码" required
autofocus />
</div>
<div class="col-md-10">
</div>
<div class="col-md-10">
</div>
<div class="col-md-10">
<button type="button" id="btn" class="btn btn-success col-md-12">
登录</button>
</div>
</div>
</div>
</form>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>管理页面</title>
<script src="./bootstrap-3.3.7-dist/js/jquery-3.4.1.min.js"></script>
<script src="./bootstrap-3.3.7-dist/js/bootstrap.js"></script>
<link href="./bootstrap-3.3.7-dist/css/bootstrap.css" rel="stylesheet"></link>
</head>
<body>
<table class="table table-bordered table-striped">
<tr>
<td class="text-center">一个学院管理界面</td>
<td>学员管理</td>
<td>教师管理</td>
<td>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" data-toggle="dropdown">其他管理
<span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li>
<a href="#">其他1</a>
</li>
<li>
<a href="#">其他2</a>
</li>
<li>
<a href="#">其他3</a>
</li>
</ul>
</div>
</td>
</tr>
</table>
<table class="table table-bordered">
<td>学号</td>
<td>姓名</td>
<td>班级</td>
<td>管理</td>
<tr>
<td>1</td>
<td>李子明</td>
<td>xxx</td>
<td>
<button class="btn btn-danger" type="button">删除</button>
<button class="btn" type="button">修改</button>
<button class="btn btn-info" type="button">编辑</button>
</td>
</tr>
</table>
</body>
</html>
