<select name="select">
<option value="a" >A</option >
<option value="b" >B</option >
</select name="select">
<option value="a" >A</option >
<option value="b" >B</option >
</select name="select">
<script language="JavaScript">
<!--
function Jumping(){
document.mp.submit();
return ;
}
-->
</script>
<form name="mp"action="2.jsp">
<select name="select">
<option value="a" >A</option >
<option value="b" >B</option >
</select name="select">
</form>
在2.jsp
String getValue = request.getParameter("select");