一、用户注册页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<h1>用户注册</h1>
<form action="check.php" method="post"></form>
<div>
<label for="usename">用户名</label>
<input type="text" id="usename" name="usename" placeholder="用户名不能为空" autofocus />
</div>
<div>
<label for="psw">密码:</label>
<input type="password" id="psw" name="password" placeholder="密码不能为空" />
</div>
<div>
<label for="secret">性别:</label>
<input type="radio" id="men" name="sex" volue="men"><label for="men">男</label>
<input type="radio" id="women" name="sex"
volue="women"><label for="women">女</label>
<input type="radio" id="secret" name="sex"
volue="secret" checked ><label for="secret">保密</label>
</div>
<div>
<label for="">兴趣:</label>
<input type="checkbox" id="sport" name="hobby[]" volue="sport" checked><label for="sport">运动</label>
<input type="checkbox" id="music" name="hobby[]" volue="music" checked><label for="music">音乐</label>
<input type="checkbox" id="game" name="hobby[]" volue="game" checked><label for="game">游戏</label>
</div>
<div>
<label for="">学历</label>
<select name="edu" id="edu">
<option value="0" selected disabled>--请选择--</option>
<option value="1">初中</option>
<option value="2">高中</option>
<option value="3">大学</option>
<option value="4">其他</option>
</select>
</div>
<!-- <button type="submit">提交</button> -->
<!-- 默认就是提交类型按钮 -->
<button>提交</button>
</body>
</html>
二、简单后台页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=a, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div>
<table height="100" border="2">
<caption>导航栏</caption>
<tr>
<td>
<a href="http://baidu.com" target="content">百度搜索</a>
</td>
</tr>
<tr>
<td>
<a href="http://google.com" target="content">谷歌搜索</a>
</td>
</tr>
<tr>
<td>
<a href="http://360.com" target="content">360搜索</a>
</td>
<tr>
<td>
<a href="http://bing.com" target="content">必应搜索</a>
</td>
</tr>
</tr>
</table>
</div>
<div>
<iframe src="" frameborder="2" width="600" height="600" name="content"></iframe>
</div>
</body>
</html>