<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>HTML5-表单实例</title>
<!--CSS引入式-->
<link rel="stylesheet" href="">
<!--CSS内嵌式-->
<style>
</style>
</head>
<body>
<h3>HTML5-表单实例</h3>
<form action="./1.php" method="get" style="width:300px;">
<!--行内CSS样式-->
<fieldset style="border: 1px solid red;">
<legend>登陆信息</legend>
姓名:<input type="text" list="nameinfo" name="username" />
<br />
<datalist id="nameinfo">
<option value="zhangsan"/>
<option value="lisi"/>
<option value="wangermazi"/>
<option value="wangmazi"/>
<option value="goudan"/>
</datalist>
</fieldset>
<fieldset>
<legend>详细信息</legend>
地址:<input type="text" name="address"/><br/>
电话:<input type="text" name="phone" /><br/>
邮箱:<input type="text" name="email" /><br />
分类:
<select type="typeid">
<optgroup label="服装">
<option>男装</option>
<option>女装</option>
<option>孕妇装</option>
<option>亲子装</option>
</optgroup>
<optgroup label="食品">
<option>烟酒</option>
<option>茶叶</option>
<option>饮料</option>
</optgroup>
</select>
</fieldset>
<input type="submit" value="提交" />
<input type="reset" value="重置" />
</form>
<fieldset>
<legend>登陆信息</legend>
姓名:<input type="text" list="nameinfo" name="username" />
</fieldset>
</body>
</html>
效果图如下: