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測(cè)試地址： http://www.mlmm.cn/mypage/?name=ceshi
測(cè)試頁(yè)代碼：
復(fù)制代碼 代碼如下:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>php+ajax動(dòng)態(tài)生成下拉菜單</title>
<script language="JavaScript" src="../include/js/regions.js"></script>
</head>
<body>
<form name="form1" method="post" action="">
<tr><td>{$regionss(中華人民共和國(guó))}</td></tr>
</form>
</body>
</html>
regionss 函數(shù)代碼：
QUOTE:
復(fù)制代碼 代碼如下://省市地3級(jí)聯(lián)動(dòng)下拉菜單函數(shù) regionss 省.市.地
function regionss($country="中華人民共和國(guó)")
{
global $db; $i = 1;
$text="<select id=/"select1/" name=/"select1/" onchange=/"startRequest()/" style=/"width:90px;/"><option value=/"/">省/市/自治區(qū)</option>/n";
$result = $db->query("SELECT province FROM ".TABLE_PROVINCE." WHERE country='$country' ORDER BY provinceid");
while($r = $db->fetch_array($result))
{
$text .= "<option value=".$r['province'].">".$r['province']."</option> ";
$i++;
}
$text.="</select>";
$text.=" <select id=/"select2/" name=/"select2/" onchange=/"startRequesta()/" style=/"width:90px;/"><option value=/"/">市/縣/區(qū)</option></select>/n";
$text.="<select id=/"select3/" name=/"select3/" style=/"width:90px;/"><option value=/"/">縣級(jí)市/縣</option></select>/n";
return $text;
}
regions.js 的代碼：
復(fù)制代碼 代碼如下://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'); //將服務(wù)器返回的字符串寫(xiě)到頁(yè)面中ID為select2的區(qū)域
obja = document.getElementById('select3'); //將服務(wù)器返回的字符串寫(xiě)到頁(yè)面中ID為select3的區(qū)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);
//將服務(wù)器返回的字符串寫(xiě)到頁(yè)面中ID為select3的區(qū)域
}
}
}
數(shù)據(jù)島 regions.php 頁(yè)面代碼
復(fù)制代碼 代碼如下:<?php
require "common.php";
$city = $city ? $city : "";
$area = $area ? $area : "";
if($province && $city==''){
global $db; $i = 1;
$result = $db->query("SELECT DISTINCT city FROM ".TABLE_CITY." WHERE province='$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++;
}
}
?>
地址信息數(shù)據(jù)庫(kù)：
采用的是phpcms3.0里自帶的數(shù)據(jù)庫(kù)，我沒(méi)有進(jìn)行任何改動(dòng)
本程序可以在phpcms3.0里直接使用，若在其他地方使用請(qǐng)自己修改
php技術(shù)：落伍首發(fā) php+mysql 采用ajax技術(shù)的 省 市 地 3級(jí)聯(lián)動(dòng)無(wú)刷新菜單 源碼，轉(zhuǎn)載需保留來(lái)源！
鄭重聲明：本文版權(quán)歸原作者所有，轉(zhuǎn)載文章僅為傳播更多信息之目的，如作者信息標(biāo)記有誤，請(qǐng)第一時(shí)間聯(lián)系我們修改或刪除，多謝。
