<form action="/example/demo_form.aspx" method="get">
<input type="checkbox" name="fname" value="Bike" /> I have a bike<br />
<input type="checkbox" name="lname" value="Car" /> I have a car<br />
<input type="checkbox" name="email" value="Airplane" /> I have an airplane<br />
<input type="submit" value="Submit" />
<p>请单击确认按钮，输入会发送到服务器上名为 "demo_form.aspx" 的页面。</p>