如何从xml中获取城市，省份名称

最近没事，写了个在项目经常要取城市或省份名的方法，所以改成了一个类．方便以后调用

//********************************************************************************
//* *
// 功能描述：从xml中获取数据
// 版本编号：owendu V1.1
// 初始创建： 2006.08.27
// 最后修改： 2006.10.08
//* *
//********************************************************************************

//根据cityid，获取返回cityname ---------------xmlurl 指的是整个站点的路征
//页面调用方式如下：<script language=javascript>GetCityName("<%=cityid%>","<%=System.Configuration.ConfigurationSettings.AppSettings["LocalSiteURL"]%>")</script>
function GetCityName(cityid,xmlurl)
{

var XmlDoc_city = new ActiveXObject("MSXML2.DOMDocument.3.0");
XmlDoc_city.async=false;
XmlDoc_city.validateOnParse=false;
var Url=xmlurl "XmlData/city.xml";
XmlDoc_city.load(Url);

//
if (XmlDoc_city.readyState == 4 && XmlDoc_city.xml != "")
{

var city;
var cities = XmlDoc_city.documentElement.selectNodes("city");

for (var i=0; i < cities.length; i )
{
city = cities[i];
if (city.getAttribute("cityid") == cityid)
{

document.write(city.getAttribute("cityname"));
break;
}
//obj2.options[obj2.length] = new Option(city.getAttribute("cityname"),city.getAttribute("cityid"));
}
}
// else
// {
//alert('您的浏览器不支持xml文件读取,于是本页面禁止您的操作,推荐使用IE5.0以上可以解决此问题!');
// }
}

//根据省份id，获取返回省名 ---------------xmlurl 指的是整个站点的路征
function GetProviceName(pid,xmlurl)
{

var XmlDoc_city = new ActiveXObject("MSXML2.DOMDocument.3.0");
XmlDoc_city.async=false;
XmlDoc_city.validateOnParse=false;
var Url=xmlurl "XmlData/province.xml";
XmlDoc_city.load(Url);
if(XmlDoc_city.readyState == 4 && XmlDoc_city.xml != "")
{
var city;
var cities = XmlDoc_city.documentElement.selectNodes("province");

for (var i=0; i < cities.length; i )
{
city = cities[i];
if (city.getAttribute("provinceid") == pid)
{
document.write(city.getAttribute("provincename"));
break;
}
}
}
}

//根据地区districtid，获取返回地区名 ---------------xmlurl 指的是整个站点的路征
function GetProviceName(districtid,xmlurl)
{

var XmlDoc_city = new ActiveXObject("MSXML2.DOMDocument.3.0");
XmlDoc_city.async=false;
XmlDoc_city.validateOnParse=false;
var Url=xmlurl "XmlData/district.xml";
XmlDoc_city.load(Url);
if(XmlDoc_city.readyState == 4 && XmlDoc_city.xml != "")
{
var city;
var cities = XmlDoc_city.documentElement.selectNodes("district");

for (var i=0; i < cities.length; i )
{
city = cities[i];
if (city.getAttribute("districtid") == pid)
{
document.write(city.getAttribute("districtname"));
break;
}
}
}
}

//根据省份id，城市id,地区（县）id，获取返回省城市名地区名 ---------------xmlurl 指的是整个站点的路征
function GetName(pid,cityid,districtid ,xmlurl)
{
var cityname="";
var provicename="";
var districtname="";
//

var XmlDoc_p = new ActiveXObject("MSXML2.DOMDocument.3.0");
XmlDoc_p.async=false;
XmlDoc_p.validateOnParse=false;
var UrlProvice=xmlurl "XmlData/province.xml";
XmlDoc_p.load(UrlProvice);
//

var XmlDoc_city = new ActiveXObject("MSXML2.DOMDocument.3.0");
XmlDoc_city.async=false;
XmlDoc_city.validateOnParse=false;
var Urlcity=xmlurl "XmlData/city.xml";
XmlDoc_city.load(Urlcity);

//
var XmlDoc_district = new ActiveXObject("MSXML2.DOMDocument.3.0");
XmlDoc_district.async=false;
XmlDoc_district.validateOnParse=false;
var Urldis=xmlurl "XmlData/district.xml";
XmlDoc_district.load(Urldis);
//
if(XmlDoc_p.readyState == 4 && XmlDoc_p.xml != "")
{
var provice;
var provices = XmlDoc_city.documentElement.selectNodes("province");

for (var i=0; i < provices.length; i )
{
provice = provices[i];
if (provice.getAttribute("provinceid") == pid)
{
provicename=provice.getAttribute("provincename");
break;
}
}
}

if(XmlDoc_city.readyState == 4 && XmlDoc_city.xml != "")
{
var city;
var citys = XmlDoc_city.documentElement.selectNodes("city");

for (var i=0; i < citys.length; i )
{
city = citys[i];
if (city.getAttribute("cityid") == cityid)
{
cityname=city.getAttribute("cityname");
break;
}
}
}

if(XmlDoc_district.readyState == 4 && XmlDoc_district.xml != "")
{
var district;
var districts = XmlDoc_district.documentElement.selectNodes("district");

for (var i=0; i < districts.length; i )
{
district = districts[i];
if (district.getAttribute("districtid") == districtid)
{
districtname=district.getAttribute("districtname");
break;
}
}
}
var name=provicename " " cityname " " districtname;
document.write(name);

}

http://www.VeVb.com/owendu/archive/2006/10/16/530580.html