<form method="post" action="order.asp?action=update">
<select name="select">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<form>
当select里面数据更改了之后,我这里不用按钮,就自动提交FORM,也就是执行这个form method="post" action="order.asp?action=update"
------解决方案--------------------
<select name="select" onchange="this.form.submit()">