高手看看:如果不是每次都是从数据库中取数据,如何实现以下的功能呢?实现不行的话只能每次取数据库拉:( 谁能给点实现类似功能的关键的javascript方法或者思路吗? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我这儿有个类似的,可以看看(在网上下的) <html><head><title>List</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><script LANGUAGE="javascript"><!--var onecount;onecount=0;subcat = new Array();subcat[0] = new Array("徐汇区","01","001");subcat[1] = new Array("嘉定区","01","002");subcat[2] = new Array("黄浦区","01","003");subcat[3] = new Array("南昌市","02","004");subcat[4] = new Array("九江市","02","005");subcat[5] = new Array("上饶市","02","006");onecount=6;function changelocation(locationid){document.myform.smalllocation.length = 0;var locationid=locationid;var i;document.myform.smalllocation.options[0] = new Option('====所有地区====','');for (i=0;i <onecount; i++){if (subcat[i][1] == locationid){document.myform.smalllocation.options[document.myform.smalllocation.length]= new Option(subcat[i][0], subcat[i][2]);}}}</script></head><body><form name="myform" method="post"><select name="biglocation"onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)"><option value="01" selected>上海</option><option value="02">江西</option></select><select name="smalllocation"><option selected value="">==所有地区==</option></select></form><script LANGUAGE="javascript"><!--changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value);//--></script></body></html> JS循环读取XML qq空间的按钮为什么用javascript. Jquery显示和隐藏div JSP运行asp网页而不显示出该asp网页 关于文本框+按钮效果相当于type=file的功能 [中文编码]如何在js里转换\u5168 或 %#38463; 格式的文字转成中文字? 请教关于input框赋值的问题 请求帮忙: 求window.open的全部参数 怎么用javascript 将一个列表框的项全部选中? 如何用js拆分字符串?? 一个奇怪的问题,请教各位!!!
<html>
<head>
<title>List</title>
<meta http-equiv="Content-Type" content="text/html; c
harset=gb2312">
<script LANGUAGE="javascript">
<!--
var onecount;
onecount=0;subcat = new Array();
subcat[0] = new Array("徐汇区","01","001");
subcat[1] = new Array("嘉定区","01","002");
subcat[2] = new Array("黄浦区","01","003");
subcat[3] = new Array("南昌市","02","004");
subcat[4] = new Array("九江市","02","005");
subcat[5] = new Array("上饶市","02","006");onecount=6;function changelocation(locationid)
{
document.myform.smalllocation.length = 0;var locationid=locationid;
var i;
document.myform.smalllocation.options[0] = new Option('====所有地区====','');
for (i=0;i <onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.myform.smalllocation.options[document.myform.smalllocation.length]
= new Option(subcat[i][0], subcat[i][2]);
}
}}
</script>
</head>
<body>
<form name="myform" method="post">
<select name="biglocation"
onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)">
<option value="01" selected>上海</option>
<option value="02">江西</option>
</select>
<select name="smalllocation">
<option selected value="">==所有地区==</option>
</select>
</form>
<script LANGUAGE="javascript">
<!--
changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value);
//-->
</script>
</body>
</html>