我想做一个点击一个下拉框中的选项，然后在这个页面的下方显示该选项下的一些字段信息。高手帮帮忙，搞了快两天了。在线等啊！！！！
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onchange出发js，用ajax发送下拉框选中选项的value给struts，返回一段文字，回调函数写进div
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$("#ff").val(apptarget.tarname)
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- HTML code
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"> <title>My JSP 't.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script type="text/javascript" src="jquery-1.4.min.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#test").click(function(){ $.ajax({ url:"testAction!ajax.action", type:"post", data:{id:1}, success:function(result){ $("#div").html(result); } }); }); }); </script> </head> <body> <input type="button" id="test" value="show"> <div id="div"></div> </body></html>