<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
</head>
<body>
<form action="/" method="get">
<p>月份: <input type="month" name="month" required="required" /></p>
<p>周: <input type="week" name="week" required="required" /></p>
<p>时间: <input type="time" name="time" required="required" /></p>
<p>日期时间: <input type="datetime" name="datetime" required="required" /></p>
<p>系统格式的日期时间: <input type="datetime-local" name="datetime-local" required="required" /></p>
<p><button type="submit">点我提交</button></p>
</form>
</body>
</html>