中国行政区数据库.rar

var xmlHttp; function createXMLHttpRequest() { if (window.ActiveXObject) { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); } else if (window.XMLHttpRequest) { xmlHttp = new XMLHttpRequest(); } } function addSelect(sid,elementID) { //不用var声明变量，并将其最先执行，该变量就具有了全局性 oElement = document.getElementById(elementID); ddz=document.getElementById("ddZip"); ddc=document.getElementById("ddCode"); sArea=document.getElementById("selectArea"); initSelect(oElement); initZipCode(); initSelect(sArea); if(elementID=="selectCity"){ sArea.options[0].innerHTML="--------"; } if(sid==""){ oElement.options[0].innerHTML="--------"; }else{ createXMLHttpRequest(); var url = "select.asp?sid=" + sid; /*当准备状态改变时，需要为readyState属性指定事件处理函数，该处理函数有两种传递参数的方法： xmlhttp.onreadystatechange= function(){HandleStateChange(param1,param2...)}; 或者 xmlhttp.onreadystatechange=new Function("HandleStateChange(param1,param2...)"); */ xmlHttp.onreadystatechange = function(){onStateChange(oElement,sArea)}; xmlHttp.open("GET", url, true); xmlHttp.send(null); } } function onStateChange(oElement) { if(xmlHttp.readyState == 4) { if(xmlHttp.status == 200) { showSelect(xmlHttp.responseXML); } } } function showSelect(xmlData) { if(xmlData.documentElement.hasChildNodes()){ oElement.options[0].innerHTML="--请选择--"; }else{ oElement.options[0].innerHTML="暂无数据"; sArea.options[0].innerHTML="暂无数据"; } var names = xmlData.getElementsByTagName("Name"); var ids = xmlData.getElementsByTagName("ID"); for(var i = 0; i < names.length; i++) { var op=new Option(names[i].firstChild.nodeValue); //为列表/菜单添加选项时，object.options.add方法比object.appendChild方法更适用。 oElement.options.add(op); op.value=ids[i].firstChild.nodeValue; } } function initSelect(oElement) { while(oElement.options.length > 0) { oElement.remove(oElement.options.length-1); } var op=new Option("数据加载中..."); oElement.options.add(op); op.value=""; } function addZipCode(sid) { initZipCode(); if(sid!=""){ ddz.innerHTML="数据加载中..."; createXMLHttpRequest(); var url = "select.asp?sid=" + sid; xmlHttp.onreadystatechange = handleStateChange; xmlHttp.open("GET", url, true); xmlHttp.send(null); } } function handleStateChange() { if(xmlHttp.readyState == 4) { if(xmlHttp.status == 200) { showZipCode(xmlHttp.responseXML); } } } function showZipCode(xmlData) { var zip,code if(xmlData.documentElement.hasChildNodes()){ zip = xmlData.getElementsByTagName("Zip")[0].firstChild.nodeValue; code = xmlData.getElementsByTagName("Code")[0].firstChild.nodeValue; }else{ zip = "暂无数据"; code = "暂无数据"; } ddz.innerHTML = "邮编：" + zip; ddc.innerHTML = "区号：" + code; } function initZipCode(){ ddz.innerHTML=""; ddc.innerHTML=""; }