绝对原创测试地址： http://www.mlmm.cn/mypage/?name=ceshi
测试页代码：
复制代码代码如下:php+ajax动态生成下拉菜单{$regionss(中华人民共和国)}regionss 函数代码：QUOTE:复制代码代码如下://省市地3级联动下拉菜单函数 regionss 省.市.地function regionss($country="中华人民共和国"){global $db; $i = 1;$text="省/市/自治区\n";$result = $db->query("SELECT province FROM ".TABLE_PROVINCE." WHERE country='$country' ORDER BY provinceid");while($r = $db->fetch_array($result)){$text .= "".$r['province']."";$i++;}$text.="";$text.=" 市/县/区\n";$text.="县级市/县\n";return $text;}regions.js 的代码：复制代码代码如下://var ab = new Array();var xmlHttp;var xmlHttpa;function createXMLHttpRequest() {if (window.ActiveXObject) {xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");}else if (window.XMLHttpRequest) {xmlHttp = new XMLHttpRequest();}}function createXMLHttpRequesta() {if (window.ActiveXObject) {xmlHttpa = new ActiveXObject("Microsoft.XMLHTTP");}else if (window.XMLHttpRequest) {xmlHttpa = new XMLHttpRequest();}}function startRequest() {createXMLHttpRequest();createXMLHttpRequesta();xmlHttp.onreadystatechange = handleStateChange;xmlHttpa.onreadystatechange = handleStateChangearea;document.getElementById('select2').options.length = 0;document.getElementById('select3').options.length = 0;var url = document.form1.select1.value;var qurl = "/regions.php?province="+url+"&time="+new Date().getTime();xmlHttp.open("GET", qurl, true);xmlHttp.send(null);//setTimeout("startRequest()",2000);}function handleStateChange() {if(xmlHttp.readyState == 4) {if(xmlHttp.status == 200) {var obj = document.getElementById('select2'); //将服务器返回的字符串写到页面中ID为select2的区域obja = document.getElementById('select3'); //将服务器返回的字符串写到页面中ID为select3的区域eval(xmlHttp.responseText);}}}function handleStateChangearea() {eval(xmlHttpa.responseText);}//var ab = new Array();function startRequesta() {createXMLHttpRequesta();xmlHttpa.onreadystatechange = handleStateChangea;document.getElementById('select3').options.length = 0;var url = document.form1.select2.value;var qurl = "/regions.php?city="+url+"&time="+new Date().getTime();xmlHttpa.open("GET", qurl, true);xmlHttpa.send(null);//setTimeout("startRequest()",2000);}function handleStateChangea() {if(xmlHttpa.readyState == 4) {if(xmlHttpa.status == 200) {var obja = document.getElementById('select3');eval(xmlHttpa.responseText);//将服务器返回的字符串写到页面中ID为select3的区域}}}数据岛 regions.php 页面代码复制代码代码如下:php
query("SELECT DISTINCT city FROM ".TABLE_CITY." WHERE province='$province' ORDER BY cityid");while($r = $db->fetch_array($result)){$r[city]=iconv('gb2312','UTF-8',$r[city]);echo "obj.options[obj.options.length] = new Option('".$r[city]."','".$r[city]."');\n";$i++;}$resultarea = $db->query("SELECT DISTINCT city FROM ".TABLE_CITY." WHERE province='$province' ORDER BY cityid");$r = $db->fetch_array($resultarea);$city = $r[city];$resulta = $db->query("SELECT DISTINCT area FROM ".TABLE_CITY." WHERE city='$city' ORDER BY cityid");while($ra = $db->fetch_array($resulta)){$ra[area]=iconv('gb2312','UTF-8',$ra[area]);echo "obja.options[obja.options.length] = new Option('".$ra[area]."','".$ra[area]."');\n";$i++;}}if($city && $province==''){global $db; $i = 1;$result = $db->query("SELECT DISTINCT area FROM ".TABLE_CITY." WHERE city='$city' ORDER BY cityid");while($r = $db->fetch_array($result)){$r[area]=iconv('gb2312','UTF-8',$r[area]);echo "obja.options[obja.options.length] = new Option('".$r[area]."','".$r[area]."');\n";$i++;}}?>
地址信息数据库：
采用的是phpcms3.0里自带的数据库，我没有进行任何改动本程序可以在phpcms3.0里直接使用，若在其他地方使用请自己修改http://www.bkjia.com/PHPjc/317597.html www.bkjia.com true http://www.bkjia.com/PHPjc/317597.html TechArticle绝对原创 测试地址：http://www.mlmm.cn/mypage/?name=ceshi 测试页代码： 复制代码 代码如下: html head metahttp-equiv="Content-Type"content="text/html;charset=gb2...