<script language = "JavaScript">
var onecount;
subcat = new Array();
subcat[0] = new Array("杭州","1","1");
subcat[1] = new Array("丽水","1","2");
subcat[2] = new Array("金华","1","3");
subcat[3] = new Array("西安","2","4");
subcat[4] = new Array("宝鸡","2","5");
subcat[5] = new Array("延安","2","6");
subcat[6] = new Array("安康","2","7");
subcat[7] = new Array("汉中","2","8");
onecount=8;function changelocation(locationid)
{
document.myform.Nclassid.length = 0; var locationid=locationid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.myform.Nclassid.options[document.myform.Nclassid.length] = new Option(subcat[i][0], subcat[i][2]);
}
}
}
</script><form method="POST" name="myform" >
<select name="classid" onChange="changelocation(this.value)" size="1">
<option selected value="1">浙江</option>
<option selected value="2">陕西</option>
</select>
<select name="Nclassid">
<option selected value="">==请选市==</option>
</select>
</form>
<!--
//我一稿多投,工资番了好几倍呀! ^_^
-->
var onecount;
subcat = new Array();
subcat[0] = new Array("杭州","1","1");
subcat[1] = new Array("丽水","1","2");
subcat[2] = new Array("金华","1","3");
subcat[3] = new Array("西安","2","4");
subcat[4] = new Array("宝鸡","2","5");
subcat[5] = new Array("延安","2","6");
subcat[6] = new Array("安康","2","7");
subcat[7] = new Array("汉中","2","8");
onecount=8;function changelocation(locationid)
{
document.myform.Nclassid.length = 0; var locationid=locationid;
var i;
for (i=0;i < onecount; i++)
{
if (subcat[i][1] == locationid)
{
document.myform.Nclassid.options[document.myform.Nclassid.length] = new Option(subcat[i][0], subcat[i][2]);
}
}
}
</script><form method="POST" name="myform" >
<select name="classid" onChange="changelocation(this.value)" size="1">
<option selected value="1">浙江</option>
<option selected value="2">陕西</option>
</select>
<select name="Nclassid">
<option selected value="">==请选市==</option>
</select>
</form>
<!--
//我一稿多投,工资番了好几倍呀! ^_^
-->
解决方案 »
- 怎么php中用DOM 解析 多维结构的XML文件
- \t \n \r 无法转义
- 诚聘网站PHP工程师,主要为网站B/S系统程序开发
- session_start(): 问题!~急~大家帮忙啊!~
- php+mysql如何处理行数未知的表格
- 在使用MYSQL时,连接不了数据库的服务器,哪位高手帮一下呢?
- 用PHP生成一个xml文件,Firefox能读,IE却不能读取!
- IIS上利用PHP支持PATH_INFO,安装后没有反应嘛!
- 请各位大侠快来帮我解决一下,本人将不剩感激!!!!!!(急)
- php文件执行update操作出错,求大神指点
- 谁知道用PHP做在线人员统计的原理
- 谁能帮我看看事什么错误?就这么多分拉
subcat[0] = new Array("杭州","1","1");
subcat[1] = new Array("丽水","1","2");
subcat[2] = new Array("金华","1","3");
subcat[3] = new Array("西安","2","4");
subcat[4] = new Array("宝鸡","2","5");
subcat[5] = new Array("延安","2","6");
subcat[6] = new Array("安康","2","7");
subcat[7] = new Array("汉中","2","8");这些如果是从数据库里动态生成怎么办??
我主要是想问如何用js使用从数据库里取出的变量!
多谢指教
<?php
$i=1;
for($i=1;$row=mysql_fetch_array($result);$i++)
{
echo 'subcat[$i]= new Array("$row[城市字段名]","$row[省代号]","$row[城市代号]");\n';
}
echo "onecount=$i;";
?>
</script>
基本上就是这样啦