提取select的value值用于页面跳转，请高手指点
<script language="JavaScript">String video = request.getParameter("video");
</script>
<select name="video">
<option value="1">A</option>
<option value="2">B</option>
<option value="3">C</option>
</select>
<input type="submit" value="提交">
必须提出的值是：
<%=video%>
