<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>登陆界面</title>
</head>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<base href="www.gzcc.cn"target="_blank">
<nav>
<ul class="nav nav-tabs">
<li class="active"><a href="www.4399.com">Home</a></li>
<li><a href="www.gzcc.cn">iOS</a></li>
<li><input type="text" class="form-control"style=" 200px" ></li>
<button type="button" class="btn btn-default">搜索</button>
</ul>
</nav>
<h1>
用户界面
</h1>
<body>
<div id="container" style=" 400px">
<div id="header" style="background-color: aqua"><h2 align="center">登陆</h2></div>
<div id="content">
<form action="">
username:<input type="text" name="user" placeholder="请输入用户名"><br>
password:<input type="password" name="password">
<br>
<input type="radio" name="role" value="stu">student
<input type="radio" name="role" value="tea">teacher
<br>
<input type="checkbox" value="true"><span style="color: blueviolet">rember</span> <a href="www.gzcc.cn"> 登陆问题请点</a><br>
<input type="button" value="login" onclick="alert('登陆验证')">
<input type="button" value="cancel">
</form>
</div>
<div id="footer" style="background-color: aqua ; clear: both ; text-align: center"><i>@版权</i></div>
</div>
<div>
选择<select>
<option> </option>
<option>点击</option>
<option>收藏</option>
<option>关注</option>
</select>
<ul>
<li>python</li>
<li>html</li>
</ul>
</div>
</body>
</html>
