<!DOCTYPE HTML>
<html>
<body>
<form action="/example/demo_form.aspx" method="get">
E-mail: <input type="email" name="email" /><br />
<input type="submit" value="提交" /><br />
<input type="submit" formnovalidate="formnovalidate" value="进行没有验证的提交" />
</form>
</body>
</html>